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 * Copyright (c) 2011 HighPoint Technologies, Inc. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD$ 27 */ 28 29 #include <dev/hpt27xx/hpt27xx_config.h> 30 31 #include <dev/hpt27xx/os_bsd.h> 32 #include <dev/hpt27xx/hptintf.h> 33 34 static int hpt_probe(device_t dev) 35 { 36 PCI_ID pci_id; 37 HIM *him; 38 int i; 39 PHBA hba; 40 41 for (him = him_list; him; him = him->next) { 42 for (i=0; him->get_supported_device_id(i, &pci_id); i++) { 43 if (him->get_controller_count) 44 him->get_controller_count(&pci_id,0,0); 45 if ((pci_get_vendor(dev) == pci_id.vid) && 46 (pci_get_device(dev) == pci_id.did)){ 47 KdPrint(("hpt_probe: adapter at PCI %d:%d:%d, IRQ %d", 48 pci_get_bus(dev), pci_get_slot(dev), pci_get_function(dev), pci_get_irq(dev) 49 )); 50 device_set_desc(dev, him->name); 51 hba = (PHBA)device_get_softc(dev); 52 memset(hba, 0, sizeof(HBA)); 53 hba->ext_type = EXT_TYPE_HBA; 54 hba->ldm_adapter.him = him; 55 return (BUS_PROBE_DEFAULT); 56 } 57 } 58 } 59 60 return (ENXIO); 61 } 62 63 static int hpt_attach(device_t dev) 64 { 65 PHBA hba = (PHBA)device_get_softc(dev); 66 HIM *him = hba->ldm_adapter.him; 67 PCI_ID pci_id; 68 HPT_UINT size; 69 PVBUS vbus; 70 PVBUS_EXT vbus_ext; 71 72 KdPrint(("hpt_attach(%d/%d/%d)", pci_get_bus(dev), pci_get_slot(dev), pci_get_function(dev))); 73 74 #if __FreeBSD_version >=440000 75 pci_enable_busmaster(dev); 76 #endif 77 78 pci_id.vid = pci_get_vendor(dev); 79 pci_id.did = pci_get_device(dev); 80 pci_id.rev = pci_get_revid(dev); 81 pci_id.subsys = (HPT_U32)(pci_get_subdevice(dev)) << 16 | pci_get_subvendor(dev); 82 83 size = him->get_adapter_size(&pci_id); 84 hba->ldm_adapter.him_handle = malloc(size, M_DEVBUF, M_WAITOK); 85 if (!hba->ldm_adapter.him_handle) 86 return ENXIO; 87 88 hba->pcidev = dev; 89 hba->pciaddr.tree = 0; 90 hba->pciaddr.bus = pci_get_bus(dev); 91 hba->pciaddr.device = pci_get_slot(dev); 92 hba->pciaddr.function = pci_get_function(dev); 93 94 if (!him->create_adapter(&pci_id, hba->pciaddr, hba->ldm_adapter.him_handle, hba)) { 95 free(hba->ldm_adapter.him_handle, M_DEVBUF); 96 return -1; 97 } 98 99 os_printk("adapter at PCI %d:%d:%d, IRQ %d", 100 hba->pciaddr.bus, hba->pciaddr.device, hba->pciaddr.function, pci_get_irq(dev)); 101 102 if (!ldm_register_adapter(&hba->ldm_adapter)) { 103 size = ldm_get_vbus_size(); 104 vbus_ext = malloc(sizeof(VBUS_EXT) + size, M_DEVBUF, M_WAITOK); 105 if (!vbus_ext) { 106 free(hba->ldm_adapter.him_handle, M_DEVBUF); 107 return -1; 108 } 109 memset(vbus_ext, 0, sizeof(VBUS_EXT)); 110 vbus_ext->ext_type = EXT_TYPE_VBUS; 111 ldm_create_vbus((PVBUS)vbus_ext->vbus, vbus_ext); 112 ldm_register_adapter(&hba->ldm_adapter); 113 } 114 115 ldm_for_each_vbus(vbus, vbus_ext) { 116 if (hba->ldm_adapter.vbus==vbus) { 117 hba->vbus_ext = vbus_ext; 118 hba->next = vbus_ext->hba_list; 119 vbus_ext->hba_list = hba; 120 break; 121 } 122 } 123 return 0; 124 } 125 126 /* 127 * Maybe we'd better to use the bus_dmamem_alloc to alloc DMA memory, 128 * but there are some problems currently (alignment, etc). 129 */ 130 static __inline void *__get_free_pages(int order) 131 { 132 /* don't use low memory - other devices may get starved */ 133 return contigmalloc(PAGE_SIZE<<order, 134 M_DEVBUF, M_WAITOK, BUS_SPACE_MAXADDR_24BIT, BUS_SPACE_MAXADDR, PAGE_SIZE, 0); 135 } 136 137 static __inline void free_pages(void *p, int order) 138 { 139 contigfree(p, PAGE_SIZE<<order, M_DEVBUF); 140 } 141 142 static int hpt_alloc_mem(PVBUS_EXT vbus_ext) 143 { 144 PHBA hba; 145 struct freelist *f; 146 HPT_UINT i; 147 void **p; 148 149 for (hba = vbus_ext->hba_list; hba; hba = hba->next) 150 hba->ldm_adapter.him->get_meminfo(hba->ldm_adapter.him_handle); 151 152 ldm_get_mem_info((PVBUS)vbus_ext->vbus, 0); 153 154 for (f=vbus_ext->freelist_head; f; f=f->next) { 155 KdPrint(("%s: %d*%d=%d bytes", 156 f->tag, f->count, f->size, f->count*f->size)); 157 for (i=0; i<f->count; i++) { 158 p = (void **)malloc(f->size, M_DEVBUF, M_WAITOK); 159 if (!p) return (ENXIO); 160 *p = f->head; 161 f->head = p; 162 } 163 } 164 165 for (f=vbus_ext->freelist_dma_head; f; f=f->next) { 166 int order, size, j; 167 168 HPT_ASSERT((f->size & (f->alignment-1))==0); 169 170 for (order=0, size=PAGE_SIZE; size<f->size; order++, size<<=1) 171 ; 172 173 KdPrint(("%s: %d*%d=%d bytes, order %d", 174 f->tag, f->count, f->size, f->count*f->size, order)); 175 HPT_ASSERT(f->alignment<=PAGE_SIZE); 176 177 for (i=0; i<f->count;) { 178 p = (void **)__get_free_pages(order); 179 if (!p) return -1; 180 for (j = size/f->size; j && i<f->count; i++,j--) { 181 *p = f->head; 182 *(BUS_ADDRESS *)(p+1) = (BUS_ADDRESS)vtophys(p); 183 f->head = p; 184 p = (void **)((unsigned long)p + f->size); 185 } 186 } 187 } 188 189 HPT_ASSERT(PAGE_SIZE==DMAPOOL_PAGE_SIZE); 190 191 for (i=0; i<os_max_cache_pages; i++) { 192 p = (void **)__get_free_pages(0); 193 if (!p) return -1; 194 HPT_ASSERT(((HPT_UPTR)p & (DMAPOOL_PAGE_SIZE-1))==0); 195 dmapool_put_page((PVBUS)vbus_ext->vbus, p, (BUS_ADDRESS)vtophys(p)); 196 } 197 198 return 0; 199 } 200 201 static void hpt_free_mem(PVBUS_EXT vbus_ext) 202 { 203 struct freelist *f; 204 void *p; 205 int i; 206 BUS_ADDRESS bus; 207 208 for (f=vbus_ext->freelist_head; f; f=f->next) { 209 #if DBG 210 if (f->count!=f->reserved_count) { 211 KdPrint(("memory leak for freelist %s (%d/%d)", f->tag, f->count, f->reserved_count)); 212 } 213 #endif 214 while ((p=freelist_get(f))) 215 free(p, M_DEVBUF); 216 } 217 218 for (i=0; i<os_max_cache_pages; i++) { 219 p = dmapool_get_page((PVBUS)vbus_ext->vbus, &bus); 220 HPT_ASSERT(p); 221 free_pages(p, 0); 222 } 223 224 for (f=vbus_ext->freelist_dma_head; f; f=f->next) { 225 int order, size; 226 #if DBG 227 if (f->count!=f->reserved_count) { 228 KdPrint(("memory leak for dma freelist %s (%d/%d)", f->tag, f->count, f->reserved_count)); 229 } 230 #endif 231 for (order=0, size=PAGE_SIZE; size<f->size; order++, size<<=1) ; 232 233 while ((p=freelist_get_dma(f, &bus))) { 234 if (order) 235 free_pages(p, order); 236 else { 237 /* can't free immediately since other blocks in this page may still be in the list */ 238 if (((HPT_UPTR)p & (PAGE_SIZE-1))==0) 239 dmapool_put_page((PVBUS)vbus_ext->vbus, p, bus); 240 } 241 } 242 } 243 244 while ((p = dmapool_get_page((PVBUS)vbus_ext->vbus, &bus))) 245 free_pages(p, 0); 246 } 247 248 static int hpt_init_vbus(PVBUS_EXT vbus_ext) 249 { 250 PHBA hba; 251 252 for (hba = vbus_ext->hba_list; hba; hba = hba->next) 253 if (!hba->ldm_adapter.him->initialize(hba->ldm_adapter.him_handle)) { 254 KdPrint(("fail to initialize %p", hba)); 255 return -1; 256 } 257 258 ldm_initialize_vbus((PVBUS)vbus_ext->vbus, &vbus_ext->hba_list->ldm_adapter); 259 return 0; 260 } 261 262 static void hpt_flush_done(PCOMMAND pCmd) 263 { 264 PVDEV vd = pCmd->target; 265 266 if (mIsArray(vd->type) && vd->u.array.transform && vd!=vd->u.array.transform->target) { 267 vd = vd->u.array.transform->target; 268 HPT_ASSERT(vd); 269 pCmd->target = vd; 270 pCmd->Result = RETURN_PENDING; 271 vdev_queue_cmd(pCmd); 272 return; 273 } 274 275 *(int *)pCmd->priv = 1; 276 wakeup(pCmd); 277 } 278 279 /* 280 * flush a vdev (without retry). 281 */ 282 static int hpt_flush_vdev(PVBUS_EXT vbus_ext, PVDEV vd) 283 { 284 PCOMMAND pCmd; 285 int result = 0, done; 286 HPT_UINT count; 287 288 KdPrint(("flusing dev %p", vd)); 289 290 hpt_lock_vbus(vbus_ext); 291 292 if (mIsArray(vd->type) && vd->u.array.transform) 293 count = MAX(vd->u.array.transform->source->cmds_per_request, 294 vd->u.array.transform->target->cmds_per_request); 295 else 296 count = vd->cmds_per_request; 297 298 pCmd = ldm_alloc_cmds(vd->vbus, count); 299 300 if (!pCmd) { 301 hpt_unlock_vbus(vbus_ext); 302 return -1; 303 } 304 305 pCmd->type = CMD_TYPE_FLUSH; 306 pCmd->flags.hard_flush = 1; 307 pCmd->target = vd; 308 pCmd->done = hpt_flush_done; 309 done = 0; 310 pCmd->priv = &done; 311 312 ldm_queue_cmd(pCmd); 313 314 if (!done) { 315 while (hpt_sleep(vbus_ext, pCmd, PPAUSE, "hptfls", HPT_OSM_TIMEOUT)) { 316 ldm_reset_vbus(vd->vbus); 317 } 318 } 319 320 KdPrint(("flush result %d", pCmd->Result)); 321 322 if (pCmd->Result!=RETURN_SUCCESS) 323 result = -1; 324 325 ldm_free_cmds(pCmd); 326 327 hpt_unlock_vbus(vbus_ext); 328 329 return result; 330 } 331 332 static void hpt_stop_tasks(PVBUS_EXT vbus_ext); 333 static void hpt_shutdown_vbus(PVBUS_EXT vbus_ext, int howto) 334 { 335 PVBUS vbus = (PVBUS)vbus_ext->vbus; 336 PHBA hba; 337 int i; 338 339 KdPrint(("hpt_shutdown_vbus")); 340 341 /* stop all ctl tasks and disable the worker taskqueue */ 342 hpt_stop_tasks(vbus_ext); 343 vbus_ext->worker.ta_context = 0; 344 345 /* flush devices */ 346 for (i=0; i<osm_max_targets; i++) { 347 PVDEV vd = ldm_find_target(vbus, i); 348 if (vd) { 349 /* retry once */ 350 if (hpt_flush_vdev(vbus_ext, vd)) 351 hpt_flush_vdev(vbus_ext, vd); 352 } 353 } 354 355 hpt_lock_vbus(vbus_ext); 356 ldm_shutdown(vbus); 357 hpt_unlock_vbus(vbus_ext); 358 359 ldm_release_vbus(vbus); 360 361 for (hba=vbus_ext->hba_list; hba; hba=hba->next) 362 bus_teardown_intr(hba->pcidev, hba->irq_res, hba->irq_handle); 363 364 hpt_free_mem(vbus_ext); 365 366 while ((hba=vbus_ext->hba_list)) { 367 vbus_ext->hba_list = hba->next; 368 free(hba->ldm_adapter.him_handle, M_DEVBUF); 369 } 370 371 free(vbus_ext, M_DEVBUF); 372 KdPrint(("hpt_shutdown_vbus done")); 373 } 374 375 static void __hpt_do_tasks(PVBUS_EXT vbus_ext) 376 { 377 OSM_TASK *tasks; 378 379 tasks = vbus_ext->tasks; 380 vbus_ext->tasks = 0; 381 382 while (tasks) { 383 OSM_TASK *t = tasks; 384 tasks = t->next; 385 t->next = 0; 386 t->func(vbus_ext->vbus, t->data); 387 } 388 } 389 390 static void hpt_do_tasks(PVBUS_EXT vbus_ext, int pending) 391 { 392 if(vbus_ext){ 393 hpt_lock_vbus(vbus_ext); 394 __hpt_do_tasks(vbus_ext); 395 hpt_unlock_vbus(vbus_ext); 396 } 397 } 398 399 static void hpt_action(struct cam_sim *sim, union ccb *ccb); 400 static void hpt_poll(struct cam_sim *sim); 401 static void hpt_async(void * callback_arg, u_int32_t code, struct cam_path * path, void * arg); 402 static void hpt_pci_intr(void *arg); 403 404 static __inline POS_CMDEXT cmdext_get(PVBUS_EXT vbus_ext) 405 { 406 POS_CMDEXT p = vbus_ext->cmdext_list; 407 if (p) 408 vbus_ext->cmdext_list = p->next; 409 return p; 410 } 411 412 static __inline void cmdext_put(POS_CMDEXT p) 413 { 414 p->next = p->vbus_ext->cmdext_list; 415 p->vbus_ext->cmdext_list = p; 416 } 417 418 static void hpt_timeout(void *arg) 419 { 420 PCOMMAND pCmd = (PCOMMAND)arg; 421 POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv; 422 423 KdPrint(("pCmd %p timeout", pCmd)); 424 425 ldm_reset_vbus((PVBUS)ext->vbus_ext->vbus); 426 } 427 428 static void os_cmddone(PCOMMAND pCmd) 429 { 430 POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv; 431 union ccb *ccb = ext->ccb; 432 433 KdPrint(("os_cmddone(%p, %d)", pCmd, pCmd->Result)); 434 435 untimeout(hpt_timeout, pCmd, ccb->ccb_h.timeout_ch); 436 437 switch(pCmd->Result) { 438 case RETURN_SUCCESS: 439 ccb->ccb_h.status = CAM_REQ_CMP; 440 break; 441 case RETURN_BAD_DEVICE: 442 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 443 break; 444 case RETURN_DEVICE_BUSY: 445 ccb->ccb_h.status = CAM_BUSY; 446 break; 447 case RETURN_INVALID_REQUEST: 448 ccb->ccb_h.status = CAM_REQ_INVALID; 449 break; 450 case RETURN_SELECTION_TIMEOUT: 451 ccb->ccb_h.status = CAM_SEL_TIMEOUT; 452 break; 453 case RETURN_RETRY: 454 ccb->ccb_h.status = CAM_BUSY; 455 break; 456 default: 457 ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR; 458 break; 459 } 460 461 if (pCmd->flags.data_in) { 462 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, BUS_DMASYNC_POSTREAD); 463 } 464 else if (pCmd->flags.data_out) { 465 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, BUS_DMASYNC_POSTWRITE); 466 } 467 468 bus_dmamap_unload(ext->vbus_ext->io_dmat, ext->dma_map); 469 470 cmdext_put(ext); 471 ldm_free_cmds(pCmd); 472 xpt_done(ccb); 473 } 474 475 static int os_buildsgl(PCOMMAND pCmd, PSG pSg, int logical) 476 { 477 POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv; 478 union ccb *ccb = ext->ccb; 479 480 if (logical) { 481 os_set_sgptr(pSg, (HPT_U8 *)ccb->csio.data_ptr); 482 pSg->size = ccb->csio.dxfer_len; 483 pSg->eot = 1; 484 return TRUE; 485 } 486 487 /* since we have provided physical sg, nobody will ask us to build physical sg */ 488 HPT_ASSERT(0); 489 return FALSE; 490 } 491 492 static void hpt_io_dmamap_callback(void *arg, bus_dma_segment_t *segs, int nsegs, int error) 493 { 494 PCOMMAND pCmd = (PCOMMAND)arg; 495 POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv; 496 PSG psg = pCmd->psg; 497 int idx; 498 499 HPT_ASSERT(pCmd->flags.physical_sg); 500 501 if (error) 502 panic("busdma error"); 503 504 HPT_ASSERT(nsegs<=os_max_sg_descriptors); 505 506 if (nsegs != 0) { 507 for (idx = 0; idx < nsegs; idx++, psg++) { 508 psg->addr.bus = segs[idx].ds_addr; 509 psg->size = segs[idx].ds_len; 510 psg->eot = 0; 511 } 512 psg[-1].eot = 1; 513 514 if (pCmd->flags.data_in) { 515 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, 516 BUS_DMASYNC_PREREAD); 517 } 518 else if (pCmd->flags.data_out) { 519 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, 520 BUS_DMASYNC_PREWRITE); 521 } 522 } 523 524 ext->ccb->ccb_h.timeout_ch = timeout(hpt_timeout, pCmd, HPT_OSM_TIMEOUT); 525 ldm_queue_cmd(pCmd); 526 } 527 528 static void hpt_scsi_io(PVBUS_EXT vbus_ext, union ccb *ccb) 529 { 530 PVBUS vbus = (PVBUS)vbus_ext->vbus; 531 PVDEV vd; 532 PCOMMAND pCmd; 533 POS_CMDEXT ext; 534 HPT_U8 *cdb; 535 536 if (ccb->ccb_h.flags & CAM_CDB_POINTER) 537 cdb = ccb->csio.cdb_io.cdb_ptr; 538 else 539 cdb = ccb->csio.cdb_io.cdb_bytes; 540 541 KdPrint(("hpt_scsi_io: ccb %x id %d lun %d cdb %x-%x-%x", 542 ccb, 543 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 544 *(HPT_U32 *)&cdb[0], *(HPT_U32 *)&cdb[4], *(HPT_U32 *)&cdb[8] 545 )); 546 547 /* ccb->ccb_h.path_id is not our bus id - don't check it */ 548 if (ccb->ccb_h.target_lun != 0 || 549 ccb->ccb_h.target_id >= osm_max_targets || 550 (ccb->ccb_h.flags & CAM_CDB_PHYS)) 551 { 552 ccb->ccb_h.status = CAM_TID_INVALID; 553 xpt_done(ccb); 554 return; 555 } 556 557 vd = ldm_find_target(vbus, ccb->ccb_h.target_id); 558 559 if (!vd) { 560 ccb->ccb_h.status = CAM_SEL_TIMEOUT; 561 xpt_done(ccb); 562 return; 563 } 564 565 switch (cdb[0]) { 566 case TEST_UNIT_READY: 567 case START_STOP_UNIT: 568 case SYNCHRONIZE_CACHE: 569 ccb->ccb_h.status = CAM_REQ_CMP; 570 break; 571 572 case INQUIRY: 573 { 574 PINQUIRYDATA inquiryData; 575 memset(ccb->csio.data_ptr, 0, ccb->csio.dxfer_len); 576 inquiryData = (PINQUIRYDATA)ccb->csio.data_ptr; 577 578 inquiryData->AdditionalLength = 31; 579 inquiryData->CommandQueue = 1; 580 memcpy(&inquiryData->VendorId, "HPT ", 8); 581 memcpy(&inquiryData->ProductId, "DISK 0_0 ", 16); 582 583 if (vd->target_id / 10) { 584 inquiryData->ProductId[7] = (vd->target_id % 100) / 10 + ''; 585 inquiryData->ProductId[8] = (vd->target_id % 100) % 10 + ''; 586 } 587 else 588 inquiryData->ProductId[7] = (vd->target_id % 100) % 10 + ''; 589 590 memcpy(&inquiryData->ProductRevisionLevel, "4.00", 4); 591 592 ccb->ccb_h.status = CAM_REQ_CMP; 593 } 594 break; 595 596 case READ_CAPACITY: 597 { 598 HPT_U8 *rbuf = ccb->csio.data_ptr; 599 HPT_U32 cap; 600 601 if (vd->capacity>0xfffffffful) 602 cap = 0xfffffffful; 603 else 604 cap = vd->capacity - 1; 605 606 rbuf[0] = (HPT_U8)(cap>>24); 607 rbuf[1] = (HPT_U8)(cap>>16); 608 rbuf[2] = (HPT_U8)(cap>>8); 609 rbuf[3] = (HPT_U8)cap; 610 rbuf[4] = 0; 611 rbuf[5] = 0; 612 rbuf[6] = 2; 613 rbuf[7] = 0; 614 615 ccb->ccb_h.status = CAM_REQ_CMP; 616 break; 617 } 618 619 case SERVICE_ACTION_IN: 620 { 621 HPT_U8 *rbuf = ccb->csio.data_ptr; 622 HPT_U64 cap = vd->capacity - 1; 623 624 rbuf[0] = (HPT_U8)(cap>>56); 625 rbuf[1] = (HPT_U8)(cap>>48); 626 rbuf[2] = (HPT_U8)(cap>>40); 627 rbuf[3] = (HPT_U8)(cap>>32); 628 rbuf[4] = (HPT_U8)(cap>>24); 629 rbuf[5] = (HPT_U8)(cap>>16); 630 rbuf[6] = (HPT_U8)(cap>>8); 631 rbuf[7] = (HPT_U8)cap; 632 rbuf[8] = 0; 633 rbuf[9] = 0; 634 rbuf[10] = 2; 635 rbuf[11] = 0; 636 637 ccb->ccb_h.status = CAM_REQ_CMP; 638 break; 639 } 640 641 case READ_6: 642 case READ_10: 643 case READ_16: 644 case WRITE_6: 645 case WRITE_10: 646 case WRITE_16: 647 case 0x13: 648 case 0x2f: 649 case 0x8f: /* VERIFY_16 */ 650 { 651 int error; 652 pCmd = ldm_alloc_cmds(vbus, vd->cmds_per_request); 653 if(!pCmd){ 654 KdPrint(("Failed to allocate command!")); 655 ccb->ccb_h.status = CAM_BUSY; 656 break; 657 } 658 659 switch (cdb[0]) { 660 case READ_6: 661 case WRITE_6: 662 case 0x13: 663 pCmd->uCmd.Ide.Lba = ((HPT_U32)cdb[1] << 16) | ((HPT_U32)cdb[2] << 8) | (HPT_U32)cdb[3]; 664 pCmd->uCmd.Ide.nSectors = (HPT_U16) cdb[4]; 665 break; 666 case READ_16: 667 case WRITE_16: 668 case 0x8f: /* VERIFY_16 */ 669 { 670 HPT_U64 block = 671 ((HPT_U64)cdb[2]<<56) | 672 ((HPT_U64)cdb[3]<<48) | 673 ((HPT_U64)cdb[4]<<40) | 674 ((HPT_U64)cdb[5]<<32) | 675 ((HPT_U64)cdb[6]<<24) | 676 ((HPT_U64)cdb[7]<<16) | 677 ((HPT_U64)cdb[8]<<8) | 678 ((HPT_U64)cdb[9]); 679 pCmd->uCmd.Ide.Lba = block; 680 pCmd->uCmd.Ide.nSectors = (HPT_U16)cdb[13] | ((HPT_U16)cdb[12]<<8); 681 break; 682 } 683 684 default: 685 pCmd->uCmd.Ide.Lba = (HPT_U32)cdb[5] | ((HPT_U32)cdb[4] << 8) | ((HPT_U32)cdb[3] << 16) | ((HPT_U32)cdb[2] << 24); 686 pCmd->uCmd.Ide.nSectors = (HPT_U16) cdb[8] | ((HPT_U16)cdb[7]<<8); 687 break; 688 } 689 690 switch (cdb[0]) { 691 case READ_6: 692 case READ_10: 693 case READ_16: 694 pCmd->flags.data_in = 1; 695 break; 696 case WRITE_6: 697 case WRITE_10: 698 case WRITE_16: 699 pCmd->flags.data_out = 1; 700 break; 701 } 702 pCmd->priv = ext = cmdext_get(vbus_ext); 703 HPT_ASSERT(ext); 704 ext->ccb = ccb; 705 pCmd->target = vd; 706 pCmd->done = os_cmddone; 707 pCmd->buildsgl = os_buildsgl; 708 pCmd->psg = ext->psg; 709 pCmd->flags.physical_sg = 1; 710 error = bus_dmamap_load_ccb(vbus_ext->io_dmat, 711 ext->dma_map, ccb, 712 hpt_io_dmamap_callback, pCmd, 713 BUS_DMA_WAITOK 714 ); 715 KdPrint(("bus_dmamap_load return %d", error)); 716 if (error && error!=EINPROGRESS) { 717 os_printk("bus_dmamap_load error %d", error); 718 cmdext_put(ext); 719 ldm_free_cmds(pCmd); 720 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 721 xpt_done(ccb); 722 } 723 return; 724 } 725 726 default: 727 ccb->ccb_h.status = CAM_REQ_INVALID; 728 break; 729 } 730 731 xpt_done(ccb); 732 return; 733 } 734 735 static void hpt_action(struct cam_sim *sim, union ccb *ccb) 736 { 737 PVBUS_EXT vbus_ext = (PVBUS_EXT)cam_sim_softc(sim); 738 739 KdPrint(("hpt_action(fn=%d, id=%d)", ccb->ccb_h.func_code, ccb->ccb_h.target_id)); 740 741 switch (ccb->ccb_h.func_code) { 742 743 case XPT_SCSI_IO: 744 hpt_lock_vbus(vbus_ext); 745 hpt_scsi_io(vbus_ext, ccb); 746 hpt_unlock_vbus(vbus_ext); 747 return; 748 749 case XPT_RESET_BUS: 750 hpt_lock_vbus(vbus_ext); 751 ldm_reset_vbus((PVBUS)vbus_ext->vbus); 752 hpt_unlock_vbus(vbus_ext); 753 break; 754 755 case XPT_GET_TRAN_SETTINGS: 756 case XPT_SET_TRAN_SETTINGS: 757 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL; 758 break; 759 760 case XPT_CALC_GEOMETRY: 761 ccb->ccg.heads = 255; 762 ccb->ccg.secs_per_track = 63; 763 ccb->ccg.cylinders = ccb->ccg.volume_size / (ccb->ccg.heads * ccb->ccg.secs_per_track); 764 ccb->ccb_h.status = CAM_REQ_CMP; 765 break; 766 767 case XPT_PATH_INQ: 768 { 769 struct ccb_pathinq *cpi = &ccb->cpi; 770 771 cpi->version_num = 1; 772 cpi->hba_inquiry = PI_SDTR_ABLE; 773 cpi->target_sprt = 0; 774 cpi->hba_misc = PIM_NOBUSRESET; 775 cpi->hba_eng_cnt = 0; 776 cpi->max_target = osm_max_targets; 777 cpi->max_lun = 0; 778 cpi->unit_number = cam_sim_unit(sim); 779 cpi->bus_id = cam_sim_bus(sim); 780 cpi->initiator_id = osm_max_targets; 781 cpi->base_transfer_speed = 3300; 782 783 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 784 strncpy(cpi->hba_vid, "HPT ", HBA_IDLEN); 785 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 786 #if (__FreeBSD_version >= 800000) 787 cpi->transport = XPORT_SPI; 788 cpi->transport_version = 2; 789 cpi->protocol = PROTO_SCSI; 790 cpi->protocol_version = SCSI_REV_2; 791 #endif 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 hpt_pci_intr(cam_sim_softc(sim)); 816 } 817 818 static void hpt_async(void * callback_arg, u_int32_t code, struct cam_path * path, void * arg) 819 { 820 KdPrint(("hpt_async")); 821 } 822 823 static int hpt_shutdown(device_t dev) 824 { 825 KdPrint(("hpt_shutdown(dev=%p)", dev)); 826 return 0; 827 } 828 829 static int hpt_detach(device_t dev) 830 { 831 /* we don't allow the driver to be unloaded. */ 832 return EBUSY; 833 } 834 835 static void hpt_ioctl_done(struct _IOCTL_ARG *arg) 836 { 837 arg->ioctl_cmnd = 0; 838 wakeup(arg); 839 } 840 841 static void __hpt_do_ioctl(PVBUS_EXT vbus_ext, IOCTL_ARG *ioctl_args) 842 { 843 ioctl_args->result = -1; 844 ioctl_args->done = hpt_ioctl_done; 845 ioctl_args->ioctl_cmnd = (void *)1; 846 847 hpt_lock_vbus(vbus_ext); 848 ldm_ioctl((PVBUS)vbus_ext->vbus, ioctl_args); 849 850 while (ioctl_args->ioctl_cmnd) { 851 if (hpt_sleep(vbus_ext, ioctl_args, PPAUSE, "hptctl", HPT_OSM_TIMEOUT)==0) 852 break; 853 ldm_reset_vbus((PVBUS)vbus_ext->vbus); 854 __hpt_do_tasks(vbus_ext); 855 } 856 857 /* KdPrint(("ioctl %x result %d", ioctl_args->dwIoControlCode, ioctl_args->result)); */ 858 859 hpt_unlock_vbus(vbus_ext); 860 } 861 862 static void hpt_do_ioctl(IOCTL_ARG *ioctl_args) 863 { 864 PVBUS vbus; 865 PVBUS_EXT vbus_ext; 866 867 ldm_for_each_vbus(vbus, vbus_ext) { 868 __hpt_do_ioctl(vbus_ext, ioctl_args); 869 if (ioctl_args->result!=HPT_IOCTL_RESULT_WRONG_VBUS) 870 return; 871 } 872 } 873 874 #define HPT_DO_IOCTL(code, inbuf, insize, outbuf, outsize) ({\ 875 IOCTL_ARG arg;\ 876 arg.dwIoControlCode = code;\ 877 arg.lpInBuffer = inbuf;\ 878 arg.lpOutBuffer = outbuf;\ 879 arg.nInBufferSize = insize;\ 880 arg.nOutBufferSize = outsize;\ 881 arg.lpBytesReturned = 0;\ 882 hpt_do_ioctl(&arg);\ 883 arg.result;\ 884 }) 885 886 #define DEVICEID_VALID(id) ((id) && ((HPT_U32)(id)!=0xffffffff)) 887 888 static int hpt_get_logical_devices(DEVICEID * pIds, int nMaxCount) 889 { 890 int i; 891 HPT_U32 count = nMaxCount-1; 892 893 if (HPT_DO_IOCTL(HPT_IOCTL_GET_LOGICAL_DEVICES, 894 &count, sizeof(HPT_U32), pIds, sizeof(DEVICEID)*nMaxCount)) 895 return -1; 896 897 nMaxCount = (int)pIds[0]; 898 for (i=0; i<nMaxCount; i++) pIds[i] = pIds[i+1]; 899 return nMaxCount; 900 } 901 902 static int hpt_get_device_info_v3(DEVICEID id, PLOGICAL_DEVICE_INFO_V3 pInfo) 903 { 904 return HPT_DO_IOCTL(HPT_IOCTL_GET_DEVICE_INFO_V3, 905 &id, sizeof(DEVICEID), pInfo, sizeof(LOGICAL_DEVICE_INFO_V3)); 906 } 907 908 /* not belong to this file logically, but we want to use ioctl interface */ 909 static int __hpt_stop_tasks(PVBUS_EXT vbus_ext, DEVICEID id) 910 { 911 LOGICAL_DEVICE_INFO_V3 devinfo; 912 int i, result; 913 DEVICEID param[2] = { id, 0 }; 914 915 if (hpt_get_device_info_v3(id, &devinfo)) 916 return -1; 917 918 if (devinfo.Type!=LDT_ARRAY) 919 return -1; 920 921 if (devinfo.u.array.Flags & ARRAY_FLAG_REBUILDING) 922 param[1] = AS_REBUILD_ABORT; 923 else if (devinfo.u.array.Flags & ARRAY_FLAG_VERIFYING) 924 param[1] = AS_VERIFY_ABORT; 925 else if (devinfo.u.array.Flags & ARRAY_FLAG_INITIALIZING) 926 param[1] = AS_INITIALIZE_ABORT; 927 else if (devinfo.u.array.Flags & ARRAY_FLAG_TRANSFORMING) 928 param[1] = AS_TRANSFORM_ABORT; 929 else 930 return -1; 931 932 KdPrint(("SET_ARRAY_STATE(%x, %d)", param[0], param[1])); 933 result = HPT_DO_IOCTL(HPT_IOCTL_SET_ARRAY_STATE, 934 param, sizeof(param), 0, 0); 935 936 for (i=0; i<devinfo.u.array.nDisk; i++) 937 if (DEVICEID_VALID(devinfo.u.array.Members[i])) 938 __hpt_stop_tasks(vbus_ext, devinfo.u.array.Members[i]); 939 940 return result; 941 } 942 943 static void hpt_stop_tasks(PVBUS_EXT vbus_ext) 944 { 945 DEVICEID ids[32]; 946 int i, count; 947 948 count = hpt_get_logical_devices((DEVICEID *)&ids, sizeof(ids)/sizeof(ids[0])); 949 950 for (i=0; i<count; i++) 951 __hpt_stop_tasks(vbus_ext, ids[i]); 952 } 953 954 static d_open_t hpt_open; 955 static d_close_t hpt_close; 956 static d_ioctl_t hpt_ioctl; 957 static int hpt_rescan_bus(void); 958 959 static struct cdevsw hpt_cdevsw = { 960 .d_open = hpt_open, 961 .d_close = hpt_close, 962 .d_ioctl = hpt_ioctl, 963 .d_name = driver_name, 964 #if __FreeBSD_version>=503000 965 .d_version = D_VERSION, 966 #endif 967 #if (__FreeBSD_version>=503000 && __FreeBSD_version<600034) 968 .d_flags = D_NEEDGIANT, 969 #endif 970 #if __FreeBSD_version<600034 971 #if __FreeBSD_version>501000 972 .d_maj = MAJOR_AUTO, 973 #else 974 .d_maj = HPT_DEV_MAJOR, 975 #endif 976 #endif 977 }; 978 979 static struct intr_config_hook hpt_ich; 980 981 /* 982 * hpt_final_init will be called after all hpt_attach. 983 */ 984 static void hpt_final_init(void *dummy) 985 { 986 int i,unit_number=0; 987 PVBUS_EXT vbus_ext; 988 PVBUS vbus; 989 PHBA hba; 990 991 /* Clear the config hook */ 992 config_intrhook_disestablish(&hpt_ich); 993 994 /* allocate memory */ 995 i = 0; 996 ldm_for_each_vbus(vbus, vbus_ext) { 997 if (hpt_alloc_mem(vbus_ext)) { 998 os_printk("out of memory"); 999 return; 1000 } 1001 i++; 1002 } 1003 1004 if (!i) { 1005 if (bootverbose) 1006 os_printk("no controller detected."); 1007 return; 1008 } 1009 1010 /* initializing hardware */ 1011 ldm_for_each_vbus(vbus, vbus_ext) { 1012 /* make timer available here */ 1013 callout_handle_init(&vbus_ext->timer); 1014 if (hpt_init_vbus(vbus_ext)) { 1015 os_printk("fail to initialize hardware"); 1016 break; /* FIXME */ 1017 } 1018 } 1019 1020 /* register CAM interface */ 1021 ldm_for_each_vbus(vbus, vbus_ext) { 1022 struct cam_devq *devq; 1023 struct ccb_setasync ccb; 1024 1025 #if (__FreeBSD_version >= 500000) 1026 mtx_init(&vbus_ext->lock, "hptsleeplock", NULL, MTX_DEF); 1027 #endif 1028 if (bus_dma_tag_create(NULL,/* parent */ 1029 4, /* alignment */ 1030 BUS_SPACE_MAXADDR_32BIT+1, /* boundary */ 1031 BUS_SPACE_MAXADDR, /* lowaddr */ 1032 BUS_SPACE_MAXADDR, /* highaddr */ 1033 NULL, NULL, /* filter, filterarg */ 1034 PAGE_SIZE * (os_max_sg_descriptors-1), /* maxsize */ 1035 os_max_sg_descriptors, /* nsegments */ 1036 0x10000, /* maxsegsize */ 1037 BUS_DMA_WAITOK, /* flags */ 1038 #if __FreeBSD_version>502000 1039 busdma_lock_mutex, /* lockfunc */ 1040 &vbus_ext->lock, /* lockfuncarg */ 1041 #endif 1042 &vbus_ext->io_dmat /* tag */)) 1043 { 1044 return ; 1045 } 1046 1047 for (i=0; i<os_max_queue_comm; i++) { 1048 POS_CMDEXT ext = (POS_CMDEXT)malloc(sizeof(OS_CMDEXT), M_DEVBUF, M_WAITOK); 1049 if (!ext) { 1050 os_printk("Can't alloc cmdext(%d)", i); 1051 return ; 1052 } 1053 ext->vbus_ext = vbus_ext; 1054 ext->next = vbus_ext->cmdext_list; 1055 vbus_ext->cmdext_list = ext; 1056 1057 if (bus_dmamap_create(vbus_ext->io_dmat, 0, &ext->dma_map)) { 1058 os_printk("Can't create dma map(%d)", i); 1059 return ; 1060 } 1061 } 1062 1063 if ((devq = cam_simq_alloc(os_max_queue_comm)) == NULL) { 1064 os_printk("cam_simq_alloc failed"); 1065 return ; 1066 } 1067 1068 #if __FreeBSD_version > 700025 1069 vbus_ext->sim = cam_sim_alloc(hpt_action, hpt_poll, driver_name, 1070 vbus_ext, unit_number, &Giant, os_max_queue_comm, /*tagged*/8, devq); 1071 #else 1072 vbus_ext->sim = cam_sim_alloc(hpt_action, hpt_poll, driver_name, 1073 vbus_ext, unit_number, os_max_queue_comm, /*tagged*/8, devq); 1074 #endif 1075 unit_number++; 1076 if (!vbus_ext->sim) { 1077 os_printk("cam_sim_alloc failed"); 1078 cam_simq_free(devq); 1079 return ; 1080 } 1081 1082 #if __FreeBSD_version > 700044 1083 if (xpt_bus_register(vbus_ext->sim, NULL, 0) != CAM_SUCCESS) { 1084 #else 1085 if (xpt_bus_register(vbus_ext->sim, 0) != CAM_SUCCESS) { 1086 #endif 1087 os_printk("xpt_bus_register failed"); 1088 cam_sim_free(vbus_ext->sim, /*free devq*/ TRUE); 1089 vbus_ext->sim = NULL; 1090 return ; 1091 } 1092 1093 if (xpt_create_path(&vbus_ext->path, /*periph */ NULL, 1094 cam_sim_path(vbus_ext->sim), CAM_TARGET_WILDCARD, 1095 CAM_LUN_WILDCARD) != CAM_REQ_CMP) 1096 { 1097 os_printk("xpt_create_path failed"); 1098 xpt_bus_deregister(cam_sim_path(vbus_ext->sim)); 1099 cam_sim_free(vbus_ext->sim, /*free_devq*/TRUE); 1100 vbus_ext->sim = NULL; 1101 return ; 1102 } 1103 1104 xpt_setup_ccb(&ccb.ccb_h, vbus_ext->path, /*priority*/5); 1105 ccb.ccb_h.func_code = XPT_SASYNC_CB; 1106 ccb.event_enable = AC_LOST_DEVICE; 1107 ccb.callback = hpt_async; 1108 ccb.callback_arg = vbus_ext; 1109 xpt_action((union ccb *)&ccb); 1110 1111 for (hba = vbus_ext->hba_list; hba; hba = hba->next) { 1112 int rid = 0; 1113 if ((hba->irq_res = bus_alloc_resource(hba->pcidev, 1114 SYS_RES_IRQ, &rid, 0, ~0ul, 1, RF_SHAREABLE | RF_ACTIVE)) == NULL) 1115 { 1116 os_printk("can't allocate interrupt"); 1117 return ; 1118 } 1119 1120 if (bus_setup_intr(hba->pcidev, hba->irq_res, INTR_TYPE_CAM, 1121 #if __FreeBSD_version > 700025 1122 NULL, hpt_pci_intr, vbus_ext, &hba->irq_handle)) 1123 #else 1124 hpt_pci_intr, vbus_ext, &hba->irq_handle)) 1125 #endif 1126 { 1127 os_printk("can't set up interrupt"); 1128 return ; 1129 } 1130 hba->ldm_adapter.him->intr_control(hba->ldm_adapter.him_handle, HPT_TRUE); 1131 1132 } 1133 1134 vbus_ext->shutdown_eh = EVENTHANDLER_REGISTER(shutdown_final, 1135 hpt_shutdown_vbus, vbus_ext, SHUTDOWN_PRI_DEFAULT); 1136 if (!vbus_ext->shutdown_eh) 1137 os_printk("Shutdown event registration failed"); 1138 } 1139 1140 ldm_for_each_vbus(vbus, vbus_ext) { 1141 TASK_INIT(&vbus_ext->worker, 0, (task_fn_t *)hpt_do_tasks, vbus_ext); 1142 if (vbus_ext->tasks) 1143 TASK_ENQUEUE(&vbus_ext->worker); 1144 } 1145 1146 make_dev(&hpt_cdevsw, DRIVER_MINOR, UID_ROOT, GID_OPERATOR, 1147 S_IRUSR | S_IWUSR, "%s", driver_name); 1148 } 1149 1150 #if defined(KLD_MODULE) && (__FreeBSD_version >= 503000) 1151 1152 typedef struct driverlink *driverlink_t; 1153 struct driverlink { 1154 kobj_class_t driver; 1155 TAILQ_ENTRY(driverlink) link; /* list of drivers in devclass */ 1156 }; 1157 1158 typedef TAILQ_HEAD(driver_list, driverlink) driver_list_t; 1159 1160 struct devclass { 1161 TAILQ_ENTRY(devclass) link; 1162 devclass_t parent; /* parent in devclass hierarchy */ 1163 driver_list_t drivers; /* bus devclasses store drivers for bus */ 1164 char *name; 1165 device_t *devices; /* array of devices indexed by unit */ 1166 int maxunit; /* size of devices array */ 1167 }; 1168 1169 static void override_kernel_driver(void) 1170 { 1171 driverlink_t dl, dlfirst; 1172 driver_t *tmpdriver; 1173 devclass_t dc = devclass_find("pci"); 1174 1175 if (dc){ 1176 dlfirst = TAILQ_FIRST(&dc->drivers); 1177 for (dl = dlfirst; dl; dl = TAILQ_NEXT(dl, link)) { 1178 if(strcmp(dl->driver->name, driver_name) == 0) { 1179 tmpdriver=dl->driver; 1180 dl->driver=dlfirst->driver; 1181 dlfirst->driver=tmpdriver; 1182 break; 1183 } 1184 } 1185 } 1186 } 1187 1188 #else 1189 #define override_kernel_driver() 1190 #endif 1191 1192 static void hpt_init(void *dummy) 1193 { 1194 if (bootverbose) 1195 os_printk("%s %s", driver_name_long, driver_ver); 1196 1197 override_kernel_driver(); 1198 init_config(); 1199 1200 hpt_ich.ich_func = hpt_final_init; 1201 hpt_ich.ich_arg = NULL; 1202 if (config_intrhook_establish(&hpt_ich) != 0) { 1203 printf("%s: cannot establish configuration hook\n", 1204 driver_name_long); 1205 } 1206 1207 } 1208 SYSINIT(hptinit, SI_SUB_CONFIGURE, SI_ORDER_FIRST, hpt_init, NULL); 1209 1210 /* 1211 * CAM driver interface 1212 */ 1213 static device_method_t driver_methods[] = { 1214 /* Device interface */ 1215 DEVMETHOD(device_probe, hpt_probe), 1216 DEVMETHOD(device_attach, hpt_attach), 1217 DEVMETHOD(device_detach, hpt_detach), 1218 DEVMETHOD(device_shutdown, hpt_shutdown), 1219 { 0, 0 } 1220 }; 1221 1222 static driver_t hpt_pci_driver = { 1223 driver_name, 1224 driver_methods, 1225 sizeof(HBA) 1226 }; 1227 1228 static devclass_t hpt_devclass; 1229 1230 #ifndef TARGETNAME 1231 #error "no TARGETNAME found" 1232 #endif 1233 1234 /* use this to make TARGETNAME be expanded */ 1235 #define __DRIVER_MODULE(p1, p2, p3, p4, p5, p6) DRIVER_MODULE(p1, p2, p3, p4, p5, p6) 1236 #define __MODULE_VERSION(p1, p2) MODULE_VERSION(p1, p2) 1237 #define __MODULE_DEPEND(p1, p2, p3, p4, p5) MODULE_DEPEND(p1, p2, p3, p4, p5) 1238 __DRIVER_MODULE(TARGETNAME, pci, hpt_pci_driver, hpt_devclass, 0, 0); 1239 __MODULE_VERSION(TARGETNAME, 1); 1240 __MODULE_DEPEND(TARGETNAME, cam, 1, 1, 1); 1241 1242 #if __FreeBSD_version>503000 1243 typedef struct cdev * ioctl_dev_t; 1244 #else 1245 typedef dev_t ioctl_dev_t; 1246 #endif 1247 1248 #if __FreeBSD_version >= 500000 1249 typedef struct thread * ioctl_thread_t; 1250 #else 1251 typedef struct proc * ioctl_thread_t; 1252 #endif 1253 1254 static int hpt_open(ioctl_dev_t dev, int flags, int devtype, ioctl_thread_t td) 1255 { 1256 return 0; 1257 } 1258 1259 static int hpt_close(ioctl_dev_t dev, int flags, int devtype, ioctl_thread_t td) 1260 { 1261 return 0; 1262 } 1263 1264 static int hpt_ioctl(ioctl_dev_t dev, u_long cmd, caddr_t data, int fflag, ioctl_thread_t td) 1265 { 1266 PHPT_IOCTL_PARAM piop=(PHPT_IOCTL_PARAM)data; 1267 IOCTL_ARG ioctl_args; 1268 HPT_U32 bytesReturned; 1269 1270 switch (cmd){ 1271 case HPT_DO_IOCONTROL: 1272 { 1273 if (piop->Magic == HPT_IOCTL_MAGIC || piop->Magic == HPT_IOCTL_MAGIC32) { 1274 KdPrint(("ioctl=%x in=%p len=%d out=%p len=%d\n", 1275 piop->dwIoControlCode, 1276 piop->lpInBuffer, 1277 piop->nInBufferSize, 1278 piop->lpOutBuffer, 1279 piop->nOutBufferSize)); 1280 1281 memset(&ioctl_args, 0, sizeof(ioctl_args)); 1282 1283 ioctl_args.dwIoControlCode = piop->dwIoControlCode; 1284 ioctl_args.nInBufferSize = piop->nInBufferSize; 1285 ioctl_args.nOutBufferSize = piop->nOutBufferSize; 1286 ioctl_args.lpBytesReturned = &bytesReturned; 1287 1288 if (ioctl_args.nInBufferSize) { 1289 ioctl_args.lpInBuffer = malloc(ioctl_args.nInBufferSize, M_DEVBUF, M_WAITOK); 1290 if (!ioctl_args.lpInBuffer) 1291 goto invalid; 1292 if (copyin((void*)piop->lpInBuffer, 1293 ioctl_args.lpInBuffer, piop->nInBufferSize)) 1294 goto invalid; 1295 } 1296 1297 if (ioctl_args.nOutBufferSize) { 1298 ioctl_args.lpOutBuffer = malloc(ioctl_args.nOutBufferSize, M_DEVBUF, M_WAITOK); 1299 if (!ioctl_args.lpOutBuffer) 1300 goto invalid; 1301 } 1302 1303 #if (__FreeBSD_version >= 500000) 1304 mtx_lock(&Giant); 1305 #endif 1306 1307 hpt_do_ioctl(&ioctl_args); 1308 1309 #if (__FreeBSD_version >= 500000) 1310 mtx_unlock(&Giant); 1311 #endif 1312 1313 if (ioctl_args.result==HPT_IOCTL_RESULT_OK) { 1314 if (piop->nOutBufferSize) { 1315 if (copyout(ioctl_args.lpOutBuffer, 1316 (void*)piop->lpOutBuffer, piop->nOutBufferSize)) 1317 goto invalid; 1318 } 1319 if (piop->lpBytesReturned) { 1320 if (copyout(&bytesReturned, 1321 (void*)piop->lpBytesReturned, sizeof(HPT_U32))) 1322 goto invalid; 1323 } 1324 if (ioctl_args.lpInBuffer) free(ioctl_args.lpInBuffer, M_DEVBUF); 1325 if (ioctl_args.lpOutBuffer) free(ioctl_args.lpOutBuffer, M_DEVBUF); 1326 return 0; 1327 } 1328 invalid: 1329 if (ioctl_args.lpInBuffer) free(ioctl_args.lpInBuffer, M_DEVBUF); 1330 if (ioctl_args.lpOutBuffer) free(ioctl_args.lpOutBuffer, M_DEVBUF); 1331 return EFAULT; 1332 } 1333 return EFAULT; 1334 } 1335 1336 case HPT_SCAN_BUS: 1337 { 1338 return hpt_rescan_bus(); 1339 } 1340 default: 1341 KdPrint(("invalid command!")); 1342 return EFAULT; 1343 } 1344 1345 } 1346 1347 static int hpt_rescan_bus(void) 1348 { 1349 union ccb *ccb; 1350 PVBUS vbus; 1351 PVBUS_EXT vbus_ext; 1352 1353 mtx_lock(&Giant); 1354 1355 ldm_for_each_vbus(vbus, vbus_ext) { 1356 if ((ccb = xpt_alloc_ccb()) == NULL) 1357 { 1358 return(ENOMEM); 1359 } 1360 if (xpt_create_path(&ccb->ccb_h.path, NULL, cam_sim_path(vbus_ext->sim), 1361 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) 1362 { 1363 xpt_free_ccb(ccb); 1364 return(EIO); 1365 } 1366 xpt_rescan(ccb); 1367 } 1368 mtx_unlock(&Giant); 1369 return(0); 1370 } 1371
Cache object: 0104496da897857f7f928016ff255d4c
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