Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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sys/dev/hpt27xx/hpt27xx_osm_bsd.c
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1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2011 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 * $FreeBSD$ 29 */ 30 31 #include <dev/hpt27xx/hpt27xx_config.h> 32 33 #include <dev/hpt27xx/os_bsd.h> 34 #include <dev/hpt27xx/hptintf.h> 35 36 static HIM *hpt_match(device_t dev, int scan) 37 { 38 PCI_ID pci_id; 39 HIM *him; 40 int i; 41 42 for (him = him_list; him; him = him->next) { 43 for (i=0; him->get_supported_device_id(i, &pci_id); i++) { 44 if (scan && him->get_controller_count) 45 him->get_controller_count(&pci_id,0,0); 46 if ((pci_get_vendor(dev) == pci_id.vid) && 47 (pci_get_device(dev) == pci_id.did)){ 48 return (him); 49 } 50 } 51 } 52 return (NULL); 53 } 54 55 static int hpt_probe(device_t dev) 56 { 57 HIM *him; 58 59 him = hpt_match(dev, 0); 60 if (him != NULL) { 61 KdPrint(("hpt_probe: adapter at PCI %d:%d:%d, IRQ %d", 62 pci_get_bus(dev), pci_get_slot(dev), pci_get_function(dev), pci_get_irq(dev) 63 )); 64 device_set_desc(dev, him->name); 65 return (BUS_PROBE_DEFAULT); 66 } 67 68 return (ENXIO); 69 } 70 71 static int hpt_attach(device_t dev) 72 { 73 PHBA hba = (PHBA)device_get_softc(dev); 74 HIM *him; 75 PCI_ID pci_id; 76 HPT_UINT size; 77 PVBUS vbus; 78 PVBUS_EXT vbus_ext; 79 80 KdPrint(("hpt_attach(%d/%d/%d)", pci_get_bus(dev), pci_get_slot(dev), pci_get_function(dev))); 81 82 him = hpt_match(dev, 1); 83 hba->ext_type = EXT_TYPE_HBA; 84 hba->ldm_adapter.him = him; 85 pci_enable_busmaster(dev); 86 87 pci_id.vid = pci_get_vendor(dev); 88 pci_id.did = pci_get_device(dev); 89 pci_id.rev = pci_get_revid(dev); 90 pci_id.subsys = (HPT_U32)(pci_get_subdevice(dev)) << 16 | pci_get_subvendor(dev); 91 92 size = him->get_adapter_size(&pci_id); 93 hba->ldm_adapter.him_handle = malloc(size, M_DEVBUF, M_WAITOK); 94 if (!hba->ldm_adapter.him_handle) 95 return ENXIO; 96 97 hba->pcidev = dev; 98 hba->pciaddr.tree = 0; 99 hba->pciaddr.bus = pci_get_bus(dev); 100 hba->pciaddr.device = pci_get_slot(dev); 101 hba->pciaddr.function = pci_get_function(dev); 102 103 if (!him->create_adapter(&pci_id, hba->pciaddr, hba->ldm_adapter.him_handle, hba)) { 104 free(hba->ldm_adapter.him_handle, M_DEVBUF); 105 return ENXIO; 106 } 107 108 os_printk("adapter at PCI %d:%d:%d, IRQ %d", 109 hba->pciaddr.bus, hba->pciaddr.device, hba->pciaddr.function, pci_get_irq(dev)); 110 111 if (!ldm_register_adapter(&hba->ldm_adapter)) { 112 size = ldm_get_vbus_size(); 113 vbus_ext = malloc(sizeof(VBUS_EXT) + size, M_DEVBUF, M_WAITOK); 114 if (!vbus_ext) { 115 free(hba->ldm_adapter.him_handle, M_DEVBUF); 116 return ENXIO; 117 } 118 memset(vbus_ext, 0, sizeof(VBUS_EXT)); 119 vbus_ext->ext_type = EXT_TYPE_VBUS; 120 ldm_create_vbus((PVBUS)vbus_ext->vbus, vbus_ext); 121 ldm_register_adapter(&hba->ldm_adapter); 122 } 123 124 ldm_for_each_vbus(vbus, vbus_ext) { 125 if (hba->ldm_adapter.vbus==vbus) { 126 hba->vbus_ext = vbus_ext; 127 hba->next = vbus_ext->hba_list; 128 vbus_ext->hba_list = hba; 129 break; 130 } 131 } 132 return 0; 133 } 134 135 /* 136 * Maybe we'd better to use the bus_dmamem_alloc to alloc DMA memory, 137 * but there are some problems currently (alignment, etc). 138 */ 139 static __inline void *__get_free_pages(int order) 140 { 141 /* don't use low memory - other devices may get starved */ 142 return contigmalloc(PAGE_SIZE<<order, 143 M_DEVBUF, M_WAITOK, BUS_SPACE_MAXADDR_24BIT, BUS_SPACE_MAXADDR, PAGE_SIZE, 0); 144 } 145 146 static __inline void free_pages(void *p, int order) 147 { 148 contigfree(p, PAGE_SIZE<<order, M_DEVBUF); 149 } 150 151 static int hpt_alloc_mem(PVBUS_EXT vbus_ext) 152 { 153 PHBA hba; 154 struct freelist *f; 155 HPT_UINT i; 156 void **p; 157 158 for (hba = vbus_ext->hba_list; hba; hba = hba->next) 159 hba->ldm_adapter.him->get_meminfo(hba->ldm_adapter.him_handle); 160 161 ldm_get_mem_info((PVBUS)vbus_ext->vbus, 0); 162 163 for (f=vbus_ext->freelist_head; f; f=f->next) { 164 KdPrint(("%s: %d*%d=%d bytes", 165 f->tag, f->count, f->size, f->count*f->size)); 166 for (i=0; i<f->count; i++) { 167 p = (void **)malloc(f->size, M_DEVBUF, M_WAITOK); 168 if (!p) return (ENXIO); 169 *p = f->head; 170 f->head = p; 171 } 172 } 173 174 for (f=vbus_ext->freelist_dma_head; f; f=f->next) { 175 int order, size, j; 176 177 HPT_ASSERT((f->size & (f->alignment-1))==0); 178 179 for (order=0, size=PAGE_SIZE; size<f->size; order++, size<<=1) 180 ; 181 182 KdPrint(("%s: %d*%d=%d bytes, order %d", 183 f->tag, f->count, f->size, f->count*f->size, order)); 184 HPT_ASSERT(f->alignment<=PAGE_SIZE); 185 186 for (i=0; i<f->count;) { 187 p = (void **)__get_free_pages(order); 188 if (!p) return -1; 189 for (j = size/f->size; j && i<f->count; i++,j--) { 190 *p = f->head; 191 *(BUS_ADDRESS *)(p+1) = (BUS_ADDRESS)vtophys(p); 192 f->head = p; 193 p = (void **)((unsigned long)p + f->size); 194 } 195 } 196 } 197 198 HPT_ASSERT(PAGE_SIZE==DMAPOOL_PAGE_SIZE); 199 200 for (i=0; i<os_max_cache_pages; i++) { 201 p = (void **)__get_free_pages(0); 202 if (!p) return -1; 203 HPT_ASSERT(((HPT_UPTR)p & (DMAPOOL_PAGE_SIZE-1))==0); 204 dmapool_put_page((PVBUS)vbus_ext->vbus, p, (BUS_ADDRESS)vtophys(p)); 205 } 206 207 return 0; 208 } 209 210 static void hpt_free_mem(PVBUS_EXT vbus_ext) 211 { 212 struct freelist *f; 213 void *p; 214 int i; 215 BUS_ADDRESS bus; 216 217 for (f=vbus_ext->freelist_head; f; f=f->next) { 218 #if DBG 219 if (f->count!=f->reserved_count) { 220 KdPrint(("memory leak for freelist %s (%d/%d)", f->tag, f->count, f->reserved_count)); 221 } 222 #endif 223 while ((p=freelist_get(f))) 224 free(p, M_DEVBUF); 225 } 226 227 for (i=0; i<os_max_cache_pages; i++) { 228 p = dmapool_get_page((PVBUS)vbus_ext->vbus, &bus); 229 HPT_ASSERT(p); 230 free_pages(p, 0); 231 } 232 233 for (f=vbus_ext->freelist_dma_head; f; f=f->next) { 234 int order, size; 235 #if DBG 236 if (f->count!=f->reserved_count) { 237 KdPrint(("memory leak for dma freelist %s (%d/%d)", f->tag, f->count, f->reserved_count)); 238 } 239 #endif 240 for (order=0, size=PAGE_SIZE; size<f->size; order++, size<<=1) ; 241 242 while ((p=freelist_get_dma(f, &bus))) { 243 if (order) 244 free_pages(p, order); 245 else { 246 /* can't free immediately since other blocks in this page may still be in the list */ 247 if (((HPT_UPTR)p & (PAGE_SIZE-1))==0) 248 dmapool_put_page((PVBUS)vbus_ext->vbus, p, bus); 249 } 250 } 251 } 252 253 while ((p = dmapool_get_page((PVBUS)vbus_ext->vbus, &bus))) 254 free_pages(p, 0); 255 } 256 257 static int hpt_init_vbus(PVBUS_EXT vbus_ext) 258 { 259 PHBA hba; 260 261 for (hba = vbus_ext->hba_list; hba; hba = hba->next) 262 if (!hba->ldm_adapter.him->initialize(hba->ldm_adapter.him_handle)) { 263 KdPrint(("fail to initialize %p", hba)); 264 return -1; 265 } 266 267 ldm_initialize_vbus((PVBUS)vbus_ext->vbus, &vbus_ext->hba_list->ldm_adapter); 268 return 0; 269 } 270 271 static void hpt_flush_done(PCOMMAND pCmd) 272 { 273 PVDEV vd = pCmd->target; 274 275 if (mIsArray(vd->type) && vd->u.array.transform && vd!=vd->u.array.transform->target) { 276 vd = vd->u.array.transform->target; 277 HPT_ASSERT(vd); 278 pCmd->target = vd; 279 pCmd->Result = RETURN_PENDING; 280 vdev_queue_cmd(pCmd); 281 return; 282 } 283 284 *(int *)pCmd->priv = 1; 285 wakeup(pCmd); 286 } 287 288 /* 289 * flush a vdev (without retry). 290 */ 291 static int hpt_flush_vdev(PVBUS_EXT vbus_ext, PVDEV vd) 292 { 293 PCOMMAND pCmd; 294 int result = 0, done; 295 HPT_UINT count; 296 297 KdPrint(("flusing dev %p", vd)); 298 299 hpt_lock_vbus(vbus_ext); 300 301 if (mIsArray(vd->type) && vd->u.array.transform) 302 count = max(vd->u.array.transform->source->cmds_per_request, 303 vd->u.array.transform->target->cmds_per_request); 304 else 305 count = vd->cmds_per_request; 306 307 pCmd = ldm_alloc_cmds(vd->vbus, count); 308 309 if (!pCmd) { 310 hpt_unlock_vbus(vbus_ext); 311 return -1; 312 } 313 314 pCmd->type = CMD_TYPE_FLUSH; 315 pCmd->flags.hard_flush = 1; 316 pCmd->target = vd; 317 pCmd->done = hpt_flush_done; 318 done = 0; 319 pCmd->priv = &done; 320 321 ldm_queue_cmd(pCmd); 322 323 if (!done) { 324 while (hpt_sleep(vbus_ext, pCmd, PPAUSE, "hptfls", HPT_OSM_TIMEOUT)) { 325 ldm_reset_vbus(vd->vbus); 326 } 327 } 328 329 KdPrint(("flush result %d", pCmd->Result)); 330 331 if (pCmd->Result!=RETURN_SUCCESS) 332 result = -1; 333 334 ldm_free_cmds(pCmd); 335 336 hpt_unlock_vbus(vbus_ext); 337 338 return result; 339 } 340 341 static void hpt_stop_tasks(PVBUS_EXT vbus_ext); 342 static void hpt_shutdown_vbus(PVBUS_EXT vbus_ext, int howto) 343 { 344 PVBUS vbus = (PVBUS)vbus_ext->vbus; 345 PHBA hba; 346 int i; 347 348 KdPrint(("hpt_shutdown_vbus")); 349 350 /* stop all ctl tasks and disable the worker taskqueue */ 351 hpt_stop_tasks(vbus_ext); 352 vbus_ext->worker.ta_context = 0; 353 354 /* flush devices */ 355 for (i=0; i<osm_max_targets; i++) { 356 PVDEV vd = ldm_find_target(vbus, i); 357 if (vd) { 358 /* retry once */ 359 if (hpt_flush_vdev(vbus_ext, vd)) 360 hpt_flush_vdev(vbus_ext, vd); 361 } 362 } 363 364 hpt_lock_vbus(vbus_ext); 365 ldm_shutdown(vbus); 366 hpt_unlock_vbus(vbus_ext); 367 368 ldm_release_vbus(vbus); 369 370 for (hba=vbus_ext->hba_list; hba; hba=hba->next) 371 bus_teardown_intr(hba->pcidev, hba->irq_res, hba->irq_handle); 372 373 hpt_free_mem(vbus_ext); 374 375 while ((hba=vbus_ext->hba_list)) { 376 vbus_ext->hba_list = hba->next; 377 free(hba->ldm_adapter.him_handle, M_DEVBUF); 378 } 379 callout_drain(&vbus_ext->timer); 380 mtx_destroy(&vbus_ext->lock); 381 free(vbus_ext, M_DEVBUF); 382 KdPrint(("hpt_shutdown_vbus done")); 383 } 384 385 static void __hpt_do_tasks(PVBUS_EXT vbus_ext) 386 { 387 OSM_TASK *tasks; 388 389 tasks = vbus_ext->tasks; 390 vbus_ext->tasks = 0; 391 392 while (tasks) { 393 OSM_TASK *t = tasks; 394 tasks = t->next; 395 t->next = 0; 396 t->func(vbus_ext->vbus, t->data); 397 } 398 } 399 400 static void hpt_do_tasks(PVBUS_EXT vbus_ext, int pending) 401 { 402 if(vbus_ext){ 403 hpt_lock_vbus(vbus_ext); 404 __hpt_do_tasks(vbus_ext); 405 hpt_unlock_vbus(vbus_ext); 406 } 407 } 408 409 static void hpt_action(struct cam_sim *sim, union ccb *ccb); 410 static void hpt_poll(struct cam_sim *sim); 411 static void hpt_async(void * callback_arg, u_int32_t code, struct cam_path * path, void * arg); 412 static void hpt_pci_intr(void *arg); 413 414 static __inline POS_CMDEXT cmdext_get(PVBUS_EXT vbus_ext) 415 { 416 POS_CMDEXT p = vbus_ext->cmdext_list; 417 if (p) 418 vbus_ext->cmdext_list = p->next; 419 return p; 420 } 421 422 static __inline void cmdext_put(POS_CMDEXT p) 423 { 424 p->next = p->vbus_ext->cmdext_list; 425 p->vbus_ext->cmdext_list = p; 426 } 427 428 static void hpt_timeout(void *arg) 429 { 430 PCOMMAND pCmd = (PCOMMAND)arg; 431 POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv; 432 433 KdPrint(("pCmd %p timeout", pCmd)); 434 435 ldm_reset_vbus((PVBUS)ext->vbus_ext->vbus); 436 } 437 438 static void os_cmddone(PCOMMAND pCmd) 439 { 440 POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv; 441 union ccb *ccb = ext->ccb; 442 443 KdPrint(("<8>os_cmddone(%p, %d)", pCmd, pCmd->Result)); 444 callout_stop(&ext->timeout); 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 /* since we have provided physical sg, nobody will ask us to build physical sg */ 495 HPT_ASSERT(0); 496 return FALSE; 497 } 498 499 static void hpt_io_dmamap_callback(void *arg, bus_dma_segment_t *segs, int nsegs, int error) 500 { 501 PCOMMAND pCmd = (PCOMMAND)arg; 502 POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv; 503 PSG psg = pCmd->psg; 504 int idx; 505 506 HPT_ASSERT(pCmd->flags.physical_sg); 507 508 if (error) 509 panic("busdma error"); 510 511 HPT_ASSERT(nsegs<=os_max_sg_descriptors); 512 513 if (nsegs != 0) { 514 for (idx = 0; idx < nsegs; idx++, psg++) { 515 psg->addr.bus = segs[idx].ds_addr; 516 psg->size = segs[idx].ds_len; 517 psg->eot = 0; 518 } 519 psg[-1].eot = 1; 520 521 if (pCmd->flags.data_in) { 522 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, 523 BUS_DMASYNC_PREREAD); 524 } 525 else if (pCmd->flags.data_out) { 526 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, 527 BUS_DMASYNC_PREWRITE); 528 } 529 } 530 callout_reset(&ext->timeout, HPT_OSM_TIMEOUT, hpt_timeout, pCmd); 531 ldm_queue_cmd(pCmd); 532 } 533 534 static void hpt_scsi_io(PVBUS_EXT vbus_ext, union ccb *ccb) 535 { 536 PVBUS vbus = (PVBUS)vbus_ext->vbus; 537 PVDEV vd; 538 PCOMMAND pCmd; 539 POS_CMDEXT ext; 540 HPT_U8 *cdb; 541 int error; 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(("<8>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 + ''; 592 inquiryData->ProductId[8] = (vd->target_id % 100) % 10 + ''; 593 } 594 else 595 inquiryData->ProductId[7] = (vd->target_id % 100) % 10 + ''; 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 HPT_U8 sector_size_shift = 0; 608 HPT_U64 new_cap; 609 HPT_U32 sector_size = 0; 610 611 if (mIsArray(vd->type)) 612 sector_size_shift = vd->u.array.sector_size_shift; 613 else{ 614 if(vd->type == VD_RAW){ 615 sector_size = vd->u.raw.logical_sector_size; 616 } 617 618 switch (sector_size) { 619 case 0x1000: 620 KdPrint(("set 4k setctor size in READ_CAPACITY")); 621 sector_size_shift = 3; 622 break; 623 default: 624 break; 625 } 626 } 627 new_cap = vd->capacity >> sector_size_shift; 628 629 if (new_cap > 0xfffffffful) 630 cap = 0xffffffff; 631 else 632 cap = new_cap - 1; 633 634 rbuf[0] = (HPT_U8)(cap>>24); 635 rbuf[1] = (HPT_U8)(cap>>16); 636 rbuf[2] = (HPT_U8)(cap>>8); 637 rbuf[3] = (HPT_U8)cap; 638 rbuf[4] = 0; 639 rbuf[5] = 0; 640 rbuf[6] = 2 << sector_size_shift; 641 rbuf[7] = 0; 642 643 ccb->ccb_h.status = CAM_REQ_CMP; 644 break; 645 } 646 case REPORT_LUNS: 647 { 648 HPT_U8 *rbuf = ccb->csio.data_ptr; 649 memset(rbuf, 0, 16); 650 rbuf[3] = 8; 651 ccb->ccb_h.status = CAM_REQ_CMP; 652 break; 653 } 654 case SERVICE_ACTION_IN: 655 { 656 HPT_U8 *rbuf = ccb->csio.data_ptr; 657 HPT_U64 cap = 0; 658 HPT_U8 sector_size_shift = 0; 659 HPT_U32 sector_size = 0; 660 661 if(mIsArray(vd->type)) 662 sector_size_shift = vd->u.array.sector_size_shift; 663 else{ 664 if(vd->type == VD_RAW){ 665 sector_size = vd->u.raw.logical_sector_size; 666 } 667 668 switch (sector_size) { 669 case 0x1000: 670 KdPrint(("set 4k setctor size in SERVICE_ACTION_IN")); 671 sector_size_shift = 3; 672 break; 673 default: 674 break; 675 } 676 } 677 cap = (vd->capacity >> sector_size_shift) - 1; 678 679 rbuf[0] = (HPT_U8)(cap>>56); 680 rbuf[1] = (HPT_U8)(cap>>48); 681 rbuf[2] = (HPT_U8)(cap>>40); 682 rbuf[3] = (HPT_U8)(cap>>32); 683 rbuf[4] = (HPT_U8)(cap>>24); 684 rbuf[5] = (HPT_U8)(cap>>16); 685 rbuf[6] = (HPT_U8)(cap>>8); 686 rbuf[7] = (HPT_U8)cap; 687 rbuf[8] = 0; 688 rbuf[9] = 0; 689 rbuf[10] = 2 << sector_size_shift; 690 rbuf[11] = 0; 691 692 ccb->ccb_h.status = CAM_REQ_CMP; 693 break; 694 } 695 696 case READ_6: 697 case READ_10: 698 case READ_16: 699 case WRITE_6: 700 case WRITE_10: 701 case WRITE_16: 702 case 0x13: 703 case 0x2f: 704 case 0x8f: /* VERIFY_16 */ 705 { 706 HPT_U8 sector_size_shift = 0; 707 HPT_U32 sector_size = 0; 708 pCmd = ldm_alloc_cmds(vbus, vd->cmds_per_request); 709 if(!pCmd){ 710 KdPrint(("Failed to allocate command!")); 711 ccb->ccb_h.status = CAM_BUSY; 712 break; 713 } 714 715 switch (cdb[0]) { 716 case READ_6: 717 case WRITE_6: 718 case 0x13: 719 pCmd->uCmd.Ide.Lba = ((HPT_U32)cdb[1] << 16) | ((HPT_U32)cdb[2] << 8) | (HPT_U32)cdb[3]; 720 pCmd->uCmd.Ide.nSectors = (HPT_U16) cdb[4]; 721 break; 722 case READ_16: 723 case WRITE_16: 724 case 0x8f: /* VERIFY_16 */ 725 { 726 HPT_U64 block = 727 ((HPT_U64)cdb[2]<<56) | 728 ((HPT_U64)cdb[3]<<48) | 729 ((HPT_U64)cdb[4]<<40) | 730 ((HPT_U64)cdb[5]<<32) | 731 ((HPT_U64)cdb[6]<<24) | 732 ((HPT_U64)cdb[7]<<16) | 733 ((HPT_U64)cdb[8]<<8) | 734 ((HPT_U64)cdb[9]); 735 pCmd->uCmd.Ide.Lba = block; 736 pCmd->uCmd.Ide.nSectors = (HPT_U16)cdb[13] | ((HPT_U16)cdb[12]<<8); 737 break; 738 } 739 740 default: 741 pCmd->uCmd.Ide.Lba = (HPT_U32)cdb[5] | ((HPT_U32)cdb[4] << 8) | ((HPT_U32)cdb[3] << 16) | ((HPT_U32)cdb[2] << 24); 742 pCmd->uCmd.Ide.nSectors = (HPT_U16) cdb[8] | ((HPT_U16)cdb[7]<<8); 743 break; 744 } 745 746 if(mIsArray(vd->type)) { 747 sector_size_shift = vd->u.array.sector_size_shift; 748 } 749 else{ 750 if(vd->type == VD_RAW){ 751 sector_size = vd->u.raw.logical_sector_size; 752 } 753 754 switch (sector_size) { 755 case 0x1000: 756 KdPrint(("<8>resize sector size from 4k to 512")); 757 sector_size_shift = 3; 758 break; 759 default: 760 break; 761 } 762 } 763 pCmd->uCmd.Ide.Lba <<= sector_size_shift; 764 pCmd->uCmd.Ide.nSectors <<= sector_size_shift; 765 766 767 switch (cdb[0]) { 768 case READ_6: 769 case READ_10: 770 case READ_16: 771 pCmd->flags.data_in = 1; 772 break; 773 case WRITE_6: 774 case WRITE_10: 775 case WRITE_16: 776 pCmd->flags.data_out = 1; 777 break; 778 } 779 pCmd->priv = ext = cmdext_get(vbus_ext); 780 HPT_ASSERT(ext); 781 ext->ccb = ccb; 782 pCmd->target = vd; 783 pCmd->done = os_cmddone; 784 pCmd->buildsgl = os_buildsgl; 785 786 pCmd->psg = ext->psg; 787 pCmd->flags.physical_sg = 1; 788 error = bus_dmamap_load_ccb(vbus_ext->io_dmat, 789 ext->dma_map, ccb, 790 hpt_io_dmamap_callback, pCmd, 791 BUS_DMA_WAITOK 792 ); 793 KdPrint(("<8>bus_dmamap_load return %d", error)); 794 if (error && error!=EINPROGRESS) { 795 os_printk("bus_dmamap_load error %d", error); 796 cmdext_put(ext); 797 ldm_free_cmds(pCmd); 798 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 799 xpt_done(ccb); 800 } 801 return; 802 } 803 804 default: 805 ccb->ccb_h.status = CAM_REQ_INVALID; 806 break; 807 } 808 809 xpt_done(ccb); 810 return; 811 } 812 813 static void hpt_action(struct cam_sim *sim, union ccb *ccb) 814 { 815 PVBUS_EXT vbus_ext = (PVBUS_EXT)cam_sim_softc(sim); 816 817 KdPrint(("<8>hpt_action(fn=%d, id=%d)", ccb->ccb_h.func_code, ccb->ccb_h.target_id)); 818 819 hpt_assert_vbus_locked(vbus_ext); 820 switch (ccb->ccb_h.func_code) { 821 822 case XPT_SCSI_IO: 823 hpt_scsi_io(vbus_ext, ccb); 824 return; 825 826 case XPT_RESET_BUS: 827 ldm_reset_vbus((PVBUS)vbus_ext->vbus); 828 break; 829 830 case XPT_GET_TRAN_SETTINGS: 831 case XPT_SET_TRAN_SETTINGS: 832 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL; 833 break; 834 835 case XPT_CALC_GEOMETRY: 836 ccb->ccg.heads = 255; 837 ccb->ccg.secs_per_track = 63; 838 ccb->ccg.cylinders = ccb->ccg.volume_size / (ccb->ccg.heads * ccb->ccg.secs_per_track); 839 ccb->ccb_h.status = CAM_REQ_CMP; 840 break; 841 842 case XPT_PATH_INQ: 843 { 844 struct ccb_pathinq *cpi = &ccb->cpi; 845 846 cpi->version_num = 1; 847 cpi->hba_inquiry = PI_SDTR_ABLE; 848 cpi->target_sprt = 0; 849 cpi->hba_misc = PIM_NOBUSRESET; 850 cpi->hba_eng_cnt = 0; 851 cpi->max_target = osm_max_targets; 852 cpi->max_lun = 0; 853 cpi->unit_number = cam_sim_unit(sim); 854 cpi->bus_id = cam_sim_bus(sim); 855 cpi->initiator_id = osm_max_targets; 856 cpi->base_transfer_speed = 3300; 857 858 strlcpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 859 strlcpy(cpi->hba_vid, "HPT ", HBA_IDLEN); 860 strlcpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 861 cpi->transport = XPORT_SPI; 862 cpi->transport_version = 2; 863 cpi->protocol = PROTO_SCSI; 864 cpi->protocol_version = SCSI_REV_2; 865 cpi->ccb_h.status = CAM_REQ_CMP; 866 break; 867 } 868 869 default: 870 ccb->ccb_h.status = CAM_REQ_INVALID; 871 break; 872 } 873 874 xpt_done(ccb); 875 return; 876 } 877 878 static void hpt_pci_intr(void *arg) 879 { 880 PVBUS_EXT vbus_ext = (PVBUS_EXT)arg; 881 hpt_lock_vbus(vbus_ext); 882 ldm_intr((PVBUS)vbus_ext->vbus); 883 hpt_unlock_vbus(vbus_ext); 884 } 885 886 static void hpt_poll(struct cam_sim *sim) 887 { 888 PVBUS_EXT vbus_ext = (PVBUS_EXT)cam_sim_softc(sim); 889 890 hpt_assert_vbus_locked(vbus_ext); 891 ldm_intr((PVBUS)vbus_ext->vbus); 892 } 893 894 static void hpt_async(void * callback_arg, u_int32_t code, struct cam_path * path, void * arg) 895 { 896 KdPrint(("<8>hpt_async")); 897 } 898 899 static int hpt_shutdown(device_t dev) 900 { 901 KdPrint(("hpt_shutdown(dev=%p)", dev)); 902 return 0; 903 } 904 905 static int hpt_detach(device_t dev) 906 { 907 /* we don't allow the driver to be unloaded. */ 908 return EBUSY; 909 } 910 911 static void hpt_ioctl_done(struct _IOCTL_ARG *arg) 912 { 913 arg->ioctl_cmnd = 0; 914 wakeup(arg); 915 } 916 917 static void __hpt_do_ioctl(PVBUS_EXT vbus_ext, IOCTL_ARG *ioctl_args) 918 { 919 ioctl_args->result = -1; 920 ioctl_args->done = hpt_ioctl_done; 921 ioctl_args->ioctl_cmnd = (void *)1; 922 923 hpt_lock_vbus(vbus_ext); 924 ldm_ioctl((PVBUS)vbus_ext->vbus, ioctl_args); 925 926 while (ioctl_args->ioctl_cmnd) { 927 if (hpt_sleep(vbus_ext, ioctl_args, PPAUSE, "hptctl", HPT_OSM_TIMEOUT)==0) 928 break; 929 ldm_reset_vbus((PVBUS)vbus_ext->vbus); 930 __hpt_do_tasks(vbus_ext); 931 } 932 933 /* KdPrint(("ioctl %x result %d", ioctl_args->dwIoControlCode, ioctl_args->result)); */ 934 935 hpt_unlock_vbus(vbus_ext); 936 } 937 938 static void hpt_do_ioctl(IOCTL_ARG *ioctl_args) 939 { 940 PVBUS vbus; 941 PVBUS_EXT vbus_ext; 942 943 ldm_for_each_vbus(vbus, vbus_ext) { 944 __hpt_do_ioctl(vbus_ext, ioctl_args); 945 if (ioctl_args->result!=HPT_IOCTL_RESULT_WRONG_VBUS) 946 return; 947 } 948 } 949 950 #define HPT_DO_IOCTL(code, inbuf, insize, outbuf, outsize) ({\ 951 IOCTL_ARG arg;\ 952 arg.dwIoControlCode = code;\ 953 arg.lpInBuffer = inbuf;\ 954 arg.lpOutBuffer = outbuf;\ 955 arg.nInBufferSize = insize;\ 956 arg.nOutBufferSize = outsize;\ 957 arg.lpBytesReturned = 0;\ 958 hpt_do_ioctl(&arg);\ 959 arg.result;\ 960 }) 961 962 #define DEVICEID_VALID(id) ((id) && ((HPT_U32)(id)!=0xffffffff)) 963 964 static int hpt_get_logical_devices(DEVICEID * pIds, int nMaxCount) 965 { 966 int i; 967 HPT_U32 count = nMaxCount-1; 968 969 if (HPT_DO_IOCTL(HPT_IOCTL_GET_LOGICAL_DEVICES, 970 &count, sizeof(HPT_U32), pIds, sizeof(DEVICEID)*nMaxCount)) 971 return -1; 972 973 nMaxCount = (int)pIds[0]; 974 for (i=0; i<nMaxCount; i++) pIds[i] = pIds[i+1]; 975 return nMaxCount; 976 } 977 978 static int hpt_get_device_info_v3(DEVICEID id, PLOGICAL_DEVICE_INFO_V3 pInfo) 979 { 980 return HPT_DO_IOCTL(HPT_IOCTL_GET_DEVICE_INFO_V3, 981 &id, sizeof(DEVICEID), pInfo, sizeof(LOGICAL_DEVICE_INFO_V3)); 982 } 983 984 /* not belong to this file logically, but we want to use ioctl interface */ 985 static int __hpt_stop_tasks(PVBUS_EXT vbus_ext, DEVICEID id) 986 { 987 LOGICAL_DEVICE_INFO_V3 devinfo; 988 int i, result; 989 DEVICEID param[2] = { id, 0 }; 990 991 if (hpt_get_device_info_v3(id, &devinfo)) 992 return -1; 993 994 if (devinfo.Type!=LDT_ARRAY) 995 return -1; 996 997 if (devinfo.u.array.Flags & ARRAY_FLAG_REBUILDING) 998 param[1] = AS_REBUILD_ABORT; 999 else if (devinfo.u.array.Flags & ARRAY_FLAG_VERIFYING) 1000 param[1] = AS_VERIFY_ABORT; 1001 else if (devinfo.u.array.Flags & ARRAY_FLAG_INITIALIZING) 1002 param[1] = AS_INITIALIZE_ABORT; 1003 else if (devinfo.u.array.Flags & ARRAY_FLAG_TRANSFORMING) 1004 param[1] = AS_TRANSFORM_ABORT; 1005 else 1006 return -1; 1007 1008 KdPrint(("SET_ARRAY_STATE(%x, %d)", param[0], param[1])); 1009 result = HPT_DO_IOCTL(HPT_IOCTL_SET_ARRAY_STATE, 1010 param, sizeof(param), 0, 0); 1011 1012 for (i=0; i<devinfo.u.array.nDisk; i++) 1013 if (DEVICEID_VALID(devinfo.u.array.Members[i])) 1014 __hpt_stop_tasks(vbus_ext, devinfo.u.array.Members[i]); 1015 1016 return result; 1017 } 1018 1019 static void hpt_stop_tasks(PVBUS_EXT vbus_ext) 1020 { 1021 DEVICEID ids[32]; 1022 int i, count; 1023 1024 count = hpt_get_logical_devices((DEVICEID *)&ids, sizeof(ids)/sizeof(ids[0])); 1025 1026 for (i=0; i<count; i++) 1027 __hpt_stop_tasks(vbus_ext, ids[i]); 1028 } 1029 1030 static d_open_t hpt_open; 1031 static d_close_t hpt_close; 1032 static d_ioctl_t hpt_ioctl; 1033 static int hpt_rescan_bus(void); 1034 1035 static struct cdevsw hpt_cdevsw = { 1036 .d_open = hpt_open, 1037 .d_close = hpt_close, 1038 .d_ioctl = hpt_ioctl, 1039 .d_name = driver_name, 1040 .d_version = D_VERSION, 1041 }; 1042 1043 static struct intr_config_hook hpt_ich; 1044 1045 /* 1046 * hpt_final_init will be called after all hpt_attach. 1047 */ 1048 static void hpt_final_init(void *dummy) 1049 { 1050 int i,unit_number=0; 1051 PVBUS_EXT vbus_ext; 1052 PVBUS vbus; 1053 PHBA hba; 1054 1055 /* Clear the config hook */ 1056 config_intrhook_disestablish(&hpt_ich); 1057 1058 /* allocate memory */ 1059 i = 0; 1060 ldm_for_each_vbus(vbus, vbus_ext) { 1061 if (hpt_alloc_mem(vbus_ext)) { 1062 os_printk("out of memory"); 1063 return; 1064 } 1065 i++; 1066 } 1067 1068 if (!i) { 1069 if (bootverbose) 1070 os_printk("no controller detected."); 1071 return; 1072 } 1073 1074 /* initializing hardware */ 1075 ldm_for_each_vbus(vbus, vbus_ext) { 1076 /* make timer available here */ 1077 mtx_init(&vbus_ext->lock, "hptsleeplock", NULL, MTX_DEF); 1078 callout_init_mtx(&vbus_ext->timer, &vbus_ext->lock, 0); 1079 if (hpt_init_vbus(vbus_ext)) { 1080 os_printk("fail to initialize hardware"); 1081 break; /* FIXME */ 1082 } 1083 } 1084 1085 /* register CAM interface */ 1086 ldm_for_each_vbus(vbus, vbus_ext) { 1087 struct cam_devq *devq; 1088 struct ccb_setasync ccb; 1089 1090 if (bus_dma_tag_create(NULL,/* parent */ 1091 4, /* alignment */ 1092 BUS_SPACE_MAXADDR_32BIT+1, /* boundary */ 1093 BUS_SPACE_MAXADDR, /* lowaddr */ 1094 BUS_SPACE_MAXADDR, /* highaddr */ 1095 NULL, NULL, /* filter, filterarg */ 1096 PAGE_SIZE * (os_max_sg_descriptors-1), /* maxsize */ 1097 os_max_sg_descriptors, /* nsegments */ 1098 0x10000, /* maxsegsize */ 1099 BUS_DMA_WAITOK, /* flags */ 1100 busdma_lock_mutex, /* lockfunc */ 1101 &vbus_ext->lock, /* lockfuncarg */ 1102 &vbus_ext->io_dmat /* tag */)) 1103 { 1104 return ; 1105 } 1106 1107 for (i=0; i<os_max_queue_comm; i++) { 1108 POS_CMDEXT ext = (POS_CMDEXT)malloc(sizeof(OS_CMDEXT), M_DEVBUF, M_WAITOK); 1109 if (!ext) { 1110 os_printk("Can't alloc cmdext(%d)", i); 1111 return ; 1112 } 1113 ext->vbus_ext = vbus_ext; 1114 ext->next = vbus_ext->cmdext_list; 1115 vbus_ext->cmdext_list = ext; 1116 1117 if (bus_dmamap_create(vbus_ext->io_dmat, 0, &ext->dma_map)) { 1118 os_printk("Can't create dma map(%d)", i); 1119 return ; 1120 } 1121 callout_init_mtx(&ext->timeout, &vbus_ext->lock, 0); 1122 } 1123 1124 if ((devq = cam_simq_alloc(os_max_queue_comm)) == NULL) { 1125 os_printk("cam_simq_alloc failed"); 1126 return ; 1127 } 1128 vbus_ext->sim = cam_sim_alloc(hpt_action, hpt_poll, driver_name, 1129 vbus_ext, unit_number, &vbus_ext->lock, os_max_queue_comm, /*tagged*/8, devq); 1130 unit_number++; 1131 if (!vbus_ext->sim) { 1132 os_printk("cam_sim_alloc failed"); 1133 cam_simq_free(devq); 1134 return ; 1135 } 1136 1137 hpt_lock_vbus(vbus_ext); 1138 if (xpt_bus_register(vbus_ext->sim, NULL, 0) != CAM_SUCCESS) { 1139 hpt_unlock_vbus(vbus_ext); 1140 os_printk("xpt_bus_register failed"); 1141 cam_sim_free(vbus_ext->sim, /*free devq*/ TRUE); 1142 vbus_ext->sim = NULL; 1143 return ; 1144 } 1145 1146 if (xpt_create_path(&vbus_ext->path, /*periph */ NULL, 1147 cam_sim_path(vbus_ext->sim), CAM_TARGET_WILDCARD, 1148 CAM_LUN_WILDCARD) != CAM_REQ_CMP) 1149 { 1150 hpt_unlock_vbus(vbus_ext); 1151 os_printk("xpt_create_path failed"); 1152 xpt_bus_deregister(cam_sim_path(vbus_ext->sim)); 1153 cam_sim_free(vbus_ext->sim, /*free_devq*/TRUE); 1154 vbus_ext->sim = NULL; 1155 return ; 1156 } 1157 1158 memset(&ccb, 0, sizeof(ccb)); 1159 xpt_setup_ccb(&ccb.ccb_h, vbus_ext->path, /*priority*/5); 1160 ccb.ccb_h.func_code = XPT_SASYNC_CB; 1161 ccb.event_enable = AC_LOST_DEVICE; 1162 ccb.callback = hpt_async; 1163 ccb.callback_arg = vbus_ext; 1164 xpt_action((union ccb *)&ccb); 1165 hpt_unlock_vbus(vbus_ext); 1166 1167 for (hba = vbus_ext->hba_list; hba; hba = hba->next) { 1168 int rid = 0; 1169 if ((hba->irq_res = bus_alloc_resource_any(hba->pcidev, 1170 SYS_RES_IRQ, &rid, RF_SHAREABLE | RF_ACTIVE)) == NULL) 1171 { 1172 os_printk("can't allocate interrupt"); 1173 return ; 1174 } 1175 if (bus_setup_intr(hba->pcidev, hba->irq_res, INTR_TYPE_CAM | INTR_MPSAFE, 1176 NULL, hpt_pci_intr, vbus_ext, &hba->irq_handle)) 1177 { 1178 os_printk("can't set up interrupt"); 1179 return ; 1180 } 1181 hba->ldm_adapter.him->intr_control(hba->ldm_adapter.him_handle, HPT_TRUE); 1182 1183 } 1184 1185 vbus_ext->shutdown_eh = EVENTHANDLER_REGISTER(shutdown_final, 1186 hpt_shutdown_vbus, vbus_ext, SHUTDOWN_PRI_DEFAULT); 1187 if (!vbus_ext->shutdown_eh) 1188 os_printk("Shutdown event registration failed"); 1189 } 1190 1191 ldm_for_each_vbus(vbus, vbus_ext) { 1192 TASK_INIT(&vbus_ext->worker, 0, (task_fn_t *)hpt_do_tasks, vbus_ext); 1193 if (vbus_ext->tasks) 1194 TASK_ENQUEUE(&vbus_ext->worker); 1195 } 1196 1197 make_dev(&hpt_cdevsw, DRIVER_MINOR, UID_ROOT, GID_OPERATOR, 1198 S_IRUSR | S_IWUSR, "%s", driver_name); 1199 } 1200 1201 #if defined(KLD_MODULE) 1202 1203 typedef struct driverlink *driverlink_t; 1204 struct driverlink { 1205 kobj_class_t driver; 1206 TAILQ_ENTRY(driverlink) link; /* list of drivers in devclass */ 1207 }; 1208 1209 typedef TAILQ_HEAD(driver_list, driverlink) driver_list_t; 1210 1211 struct devclass { 1212 TAILQ_ENTRY(devclass) link; 1213 devclass_t parent; /* parent in devclass hierarchy */ 1214 driver_list_t drivers; /* bus devclasses store drivers for bus */ 1215 char *name; 1216 device_t *devices; /* array of devices indexed by unit */ 1217 int maxunit; /* size of devices array */ 1218 }; 1219 1220 static void override_kernel_driver(void) 1221 { 1222 driverlink_t dl, dlfirst; 1223 driver_t *tmpdriver; 1224 devclass_t dc = devclass_find("pci"); 1225 1226 if (dc){ 1227 dlfirst = TAILQ_FIRST(&dc->drivers); 1228 for (dl = dlfirst; dl; dl = TAILQ_NEXT(dl, link)) { 1229 if(strcmp(dl->driver->name, driver_name) == 0) { 1230 tmpdriver=dl->driver; 1231 dl->driver=dlfirst->driver; 1232 dlfirst->driver=tmpdriver; 1233 break; 1234 } 1235 } 1236 } 1237 } 1238 1239 #else 1240 #define override_kernel_driver() 1241 #endif 1242 1243 static void hpt_init(void *dummy) 1244 { 1245 if (bootverbose) 1246 os_printk("%s %s", driver_name_long, driver_ver); 1247 1248 override_kernel_driver(); 1249 init_config(); 1250 1251 hpt_ich.ich_func = hpt_final_init; 1252 hpt_ich.ich_arg = NULL; 1253 if (config_intrhook_establish(&hpt_ich) != 0) { 1254 printf("%s: cannot establish configuration hook\n", 1255 driver_name_long); 1256 } 1257 1258 } 1259 SYSINIT(hptinit, SI_SUB_CONFIGURE, SI_ORDER_FIRST, hpt_init, NULL); 1260 1261 /* 1262 * CAM driver interface 1263 */ 1264 static device_method_t driver_methods[] = { 1265 /* Device interface */ 1266 DEVMETHOD(device_probe, hpt_probe), 1267 DEVMETHOD(device_attach, hpt_attach), 1268 DEVMETHOD(device_detach, hpt_detach), 1269 DEVMETHOD(device_shutdown, hpt_shutdown), 1270 { 0, 0 } 1271 }; 1272 1273 static driver_t hpt_pci_driver = { 1274 driver_name, 1275 driver_methods, 1276 sizeof(HBA) 1277 }; 1278 1279 #ifndef TARGETNAME 1280 #error "no TARGETNAME found" 1281 #endif 1282 1283 /* use this to make TARGETNAME be expanded */ 1284 #define __DRIVER_MODULE(p1, p2, p3, p4, p5) DRIVER_MODULE(p1, p2, p3, p4, p5) 1285 #define __MODULE_VERSION(p1, p2) MODULE_VERSION(p1, p2) 1286 #define __MODULE_DEPEND(p1, p2, p3, p4, p5) MODULE_DEPEND(p1, p2, p3, p4, p5) 1287 __DRIVER_MODULE(TARGETNAME, pci, hpt_pci_driver, 0, 0); 1288 __MODULE_VERSION(TARGETNAME, 1); 1289 __MODULE_DEPEND(TARGETNAME, cam, 1, 1, 1); 1290 1291 static int hpt_open(struct cdev *dev, int flags, int devtype, struct thread *td) 1292 { 1293 return 0; 1294 } 1295 1296 static int hpt_close(struct cdev *dev, int flags, int devtype, struct thread *td) 1297 { 1298 return 0; 1299 } 1300 1301 static int hpt_ioctl(struct cdev *dev, u_long cmd, caddr_t data, int fflag, struct thread *td) 1302 { 1303 PHPT_IOCTL_PARAM piop=(PHPT_IOCTL_PARAM)data; 1304 IOCTL_ARG ioctl_args; 1305 HPT_U32 bytesReturned = 0; 1306 1307 switch (cmd){ 1308 case HPT_DO_IOCONTROL: 1309 { 1310 if (piop->Magic == HPT_IOCTL_MAGIC || piop->Magic == HPT_IOCTL_MAGIC32) { 1311 KdPrint(("<8>ioctl=%x in=%p len=%d out=%p len=%d\n", 1312 piop->dwIoControlCode, 1313 piop->lpInBuffer, 1314 piop->nInBufferSize, 1315 piop->lpOutBuffer, 1316 piop->nOutBufferSize)); 1317 1318 memset(&ioctl_args, 0, sizeof(ioctl_args)); 1319 1320 ioctl_args.dwIoControlCode = piop->dwIoControlCode; 1321 ioctl_args.nInBufferSize = piop->nInBufferSize; 1322 ioctl_args.nOutBufferSize = piop->nOutBufferSize; 1323 ioctl_args.lpBytesReturned = &bytesReturned; 1324 1325 if (ioctl_args.nInBufferSize) { 1326 ioctl_args.lpInBuffer = malloc(ioctl_args.nInBufferSize, M_DEVBUF, M_WAITOK); 1327 if (!ioctl_args.lpInBuffer) 1328 goto invalid; 1329 if (copyin((void*)piop->lpInBuffer, 1330 ioctl_args.lpInBuffer, piop->nInBufferSize)) 1331 goto invalid; 1332 } 1333 1334 if (ioctl_args.nOutBufferSize) { 1335 ioctl_args.lpOutBuffer = malloc(ioctl_args.nOutBufferSize, M_DEVBUF, M_WAITOK | M_ZERO); 1336 if (!ioctl_args.lpOutBuffer) 1337 goto invalid; 1338 } 1339 1340 hpt_do_ioctl(&ioctl_args); 1341 1342 if (ioctl_args.result==HPT_IOCTL_RESULT_OK) { 1343 if (piop->nOutBufferSize) { 1344 if (copyout(ioctl_args.lpOutBuffer, 1345 (void*)piop->lpOutBuffer, piop->nOutBufferSize)) 1346 goto invalid; 1347 } 1348 if (piop->lpBytesReturned) { 1349 if (copyout(&bytesReturned, 1350 (void*)piop->lpBytesReturned, sizeof(HPT_U32))) 1351 goto invalid; 1352 } 1353 if (ioctl_args.lpInBuffer) free(ioctl_args.lpInBuffer, M_DEVBUF); 1354 if (ioctl_args.lpOutBuffer) free(ioctl_args.lpOutBuffer, M_DEVBUF); 1355 return 0; 1356 } 1357 invalid: 1358 if (ioctl_args.lpInBuffer) free(ioctl_args.lpInBuffer, M_DEVBUF); 1359 if (ioctl_args.lpOutBuffer) free(ioctl_args.lpOutBuffer, M_DEVBUF); 1360 return EFAULT; 1361 } 1362 return EFAULT; 1363 } 1364 1365 case HPT_SCAN_BUS: 1366 { 1367 return hpt_rescan_bus(); 1368 } 1369 default: 1370 KdPrint(("invalid command!")); 1371 return EFAULT; 1372 } 1373 1374 } 1375 1376 static int hpt_rescan_bus(void) 1377 { 1378 union ccb *ccb; 1379 PVBUS vbus; 1380 PVBUS_EXT vbus_ext; 1381 1382 ldm_for_each_vbus(vbus, vbus_ext) { 1383 if ((ccb = xpt_alloc_ccb()) == NULL) 1384 { 1385 return(ENOMEM); 1386 } 1387 if (xpt_create_path(&ccb->ccb_h.path, NULL, cam_sim_path(vbus_ext->sim), 1388 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) 1389 { 1390 xpt_free_ccb(ccb); 1391 return(EIO); 1392 } 1393 xpt_rescan(ccb); 1394 } 1395 return(0); 1396 } 1397
Cache object: 5b2dc17e45fff522222a0d258daee6cc
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