1 /* 2 * PROJECT: ReactOS Storage Stack / SCSIPORT storage port library 3 * LICENSE: GPL-2.0-or-later (https://spdx.org/licenses/GPL-2.0-or-later) 4 * PURPOSE: Main and exported functions 5 * COPYRIGHT: Eric Kohl (eric.kohl@reactos.org) 6 * Aleksey Bragin (aleksey@reactos.org) 7 * 2020 Victor Perevertkin (victor.perevertkin@reactos.org) 8 */ 9 10 /* INCLUDES *****************************************************************/ 11 12 #include "scsiport.h" 13 14 #define NDEBUG 15 #include <debug.h> 16 17 ULONG InternalDebugLevel = 0x00; 18 19 #undef ScsiPortMoveMemory 20 21 /* GLOBALS *******************************************************************/ 22 23 static BOOLEAN 24 SpiGetPciConfigData(IN PDRIVER_OBJECT DriverObject, 25 IN PDEVICE_OBJECT DeviceObject, 26 IN struct _HW_INITIALIZATION_DATA *HwInitializationData, 27 IN OUT PPORT_CONFIGURATION_INFORMATION PortConfig, 28 IN PUNICODE_STRING RegistryPath, 29 IN ULONG BusNumber, 30 IN OUT PPCI_SLOT_NUMBER NextSlotNumber); 31 32 static NTSTATUS NTAPI 33 ScsiPortCreateClose(IN PDEVICE_OBJECT DeviceObject, 34 IN PIRP Irp); 35 36 static VOID NTAPI 37 ScsiPortIoTimer(PDEVICE_OBJECT DeviceObject, 38 PVOID Context); 39 40 VOID NTAPI 41 SpiMiniportTimerDpc(IN struct _KDPC *Dpc, 42 IN PVOID DeviceObject, 43 IN PVOID SystemArgument1, 44 IN PVOID SystemArgument2); 45 46 static NTSTATUS 47 SpiCreatePortConfig(PSCSI_PORT_DEVICE_EXTENSION DeviceExtension, 48 PHW_INITIALIZATION_DATA HwInitData, 49 PCONFIGURATION_INFO InternalConfigInfo, 50 PPORT_CONFIGURATION_INFORMATION ConfigInfo, 51 BOOLEAN FirstCall); 52 53 NTSTATUS NTAPI 54 SpQueryDeviceCallout(IN PVOID Context, 55 IN PUNICODE_STRING PathName, 56 IN INTERFACE_TYPE BusType, 57 IN ULONG BusNumber, 58 IN PKEY_VALUE_FULL_INFORMATION *BusInformation, 59 IN CONFIGURATION_TYPE ControllerType, 60 IN ULONG ControllerNumber, 61 IN PKEY_VALUE_FULL_INFORMATION *ControllerInformation, 62 IN CONFIGURATION_TYPE PeripheralType, 63 IN ULONG PeripheralNumber, 64 IN PKEY_VALUE_FULL_INFORMATION *PeripheralInformation); 65 66 static VOID 67 SpiParseDeviceInfo(IN PSCSI_PORT_DEVICE_EXTENSION DeviceExtension, 68 IN HANDLE Key, 69 IN PPORT_CONFIGURATION_INFORMATION ConfigInfo, 70 IN PCONFIGURATION_INFO InternalConfigInfo, 71 IN PUCHAR Buffer); 72 73 static VOID 74 SpiResourceToConfig(IN PHW_INITIALIZATION_DATA HwInitializationData, 75 IN PCM_FULL_RESOURCE_DESCRIPTOR ResourceDescriptor, 76 IN PPORT_CONFIGURATION_INFORMATION PortConfig); 77 78 static PCM_RESOURCE_LIST 79 SpiConfigToResource(PSCSI_PORT_DEVICE_EXTENSION DeviceExtension, 80 PPORT_CONFIGURATION_INFORMATION PortConfig); 81 82 static NTSTATUS 83 SpiAllocateCommonBuffer(PSCSI_PORT_DEVICE_EXTENSION DeviceExtension, ULONG NonCachedSize); 84 85 NTHALAPI ULONG NTAPI HalGetBusData(BUS_DATA_TYPE, ULONG, ULONG, PVOID, ULONG); 86 NTHALAPI ULONG NTAPI HalGetInterruptVector(INTERFACE_TYPE, ULONG, ULONG, ULONG, PKIRQL, PKAFFINITY); 87 NTHALAPI NTSTATUS NTAPI HalAssignSlotResources(PUNICODE_STRING, PUNICODE_STRING, PDRIVER_OBJECT, PDEVICE_OBJECT, INTERFACE_TYPE, ULONG, ULONG, PCM_RESOURCE_LIST *); 88 89 /* FUNCTIONS *****************************************************************/ 90 91 /********************************************************************** 92 * NAME EXPORTED 93 * DriverEntry 94 * 95 * DESCRIPTION 96 * This function initializes the driver. 97 * 98 * RUN LEVEL 99 * PASSIVE_LEVEL 100 * 101 * ARGUMENTS 102 * DriverObject 103 * System allocated Driver Object for this driver. 104 * 105 * RegistryPath 106 * Name of registry driver service key. 107 * 108 * RETURN VALUE 109 * Status. 110 */ 111 112 NTSTATUS NTAPI 113 DriverEntry(IN PDRIVER_OBJECT DriverObject, 114 IN PUNICODE_STRING RegistryPath) 115 { 116 return STATUS_SUCCESS; 117 } 118 119 VOID 120 NTAPI 121 ScsiPortUnload( 122 _In_ PDRIVER_OBJECT DriverObject) 123 { 124 // no-op 125 } 126 127 NTSTATUS 128 NTAPI 129 ScsiPortDispatchPnp( 130 PDEVICE_OBJECT DeviceObject, 131 PIRP Irp) 132 { 133 if (((PSCSI_PORT_COMMON_EXTENSION)DeviceObject->DeviceExtension)->IsFDO) 134 { 135 return FdoDispatchPnp(DeviceObject, Irp); 136 } 137 else 138 { 139 return PdoDispatchPnp(DeviceObject, Irp); 140 } 141 } 142 143 NTSTATUS 144 NTAPI 145 ScsiPortAddDevice( 146 _In_ PDRIVER_OBJECT DriverObject, 147 _In_ PDEVICE_OBJECT PhysicalDeviceObject) 148 { 149 150 DPRINT("AddDevice no-op DriverObj: %p, PDO: %p\n", DriverObject, PhysicalDeviceObject); 151 152 return STATUS_SUCCESS; 153 } 154 155 156 /********************************************************************** 157 * NAME EXPORTED 158 * ScsiDebugPrint 159 * 160 * DESCRIPTION 161 * Prints debugging messages. 162 * 163 * RUN LEVEL 164 * PASSIVE_LEVEL 165 * 166 * ARGUMENTS 167 * DebugPrintLevel 168 * Debug level of the given message. 169 * 170 * DebugMessage 171 * Pointer to printf()-compatible format string. 172 * 173 * ... 174 Additional output data (see printf()). 175 * 176 * RETURN VALUE 177 * None. 178 * 179 * @implemented 180 */ 181 182 VOID 183 ScsiDebugPrint(IN ULONG DebugPrintLevel, 184 IN PCHAR DebugMessage, 185 ...) 186 { 187 char Buffer[256]; 188 va_list ap; 189 190 if (DebugPrintLevel > InternalDebugLevel) 191 return; 192 193 va_start(ap, DebugMessage); 194 vsprintf(Buffer, DebugMessage, ap); 195 va_end(ap); 196 197 DbgPrint(Buffer); 198 } 199 200 /* An internal helper function for ScsiPortCompleteRequest */ 201 VOID 202 NTAPI 203 SpiCompleteRequest(IN PVOID HwDeviceExtension, 204 IN PSCSI_REQUEST_BLOCK_INFO SrbInfo, 205 IN UCHAR SrbStatus) 206 { 207 PSCSI_REQUEST_BLOCK Srb; 208 209 /* Get current SRB */ 210 Srb = SrbInfo->Srb; 211 212 /* Return if there is no SRB or it is not active */ 213 if (!Srb || !(Srb->SrbFlags & SRB_FLAGS_IS_ACTIVE)) return; 214 215 /* Set status */ 216 Srb->SrbStatus = SrbStatus; 217 218 /* Set data transfered to 0 */ 219 Srb->DataTransferLength = 0; 220 221 /* Notify */ 222 ScsiPortNotification(RequestComplete, 223 HwDeviceExtension, 224 Srb); 225 } 226 227 /* 228 * @unimplemented 229 */ 230 VOID NTAPI 231 ScsiPortCompleteRequest(IN PVOID HwDeviceExtension, 232 IN UCHAR PathId, 233 IN UCHAR TargetId, 234 IN UCHAR Lun, 235 IN UCHAR SrbStatus) 236 { 237 PSCSI_PORT_DEVICE_EXTENSION DeviceExtension; 238 PSCSI_PORT_LUN_EXTENSION LunExtension; 239 PSCSI_REQUEST_BLOCK_INFO SrbInfo; 240 PLIST_ENTRY ListEntry; 241 242 DPRINT("ScsiPortCompleteRequest() called\n"); 243 244 DeviceExtension = CONTAINING_RECORD(HwDeviceExtension, 245 SCSI_PORT_DEVICE_EXTENSION, 246 MiniPortDeviceExtension); 247 248 /* Go through all buses */ 249 for (UINT8 pathId = 0; pathId < DeviceExtension->NumberOfBuses; pathId++) 250 { 251 PSCSI_BUS_INFO bus = &DeviceExtension->Buses[pathId]; 252 253 /* Go through all logical units */ 254 for (PLIST_ENTRY lunEntry = bus->LunsListHead.Flink; 255 lunEntry != &bus->LunsListHead; 256 lunEntry = lunEntry->Flink) 257 { 258 LunExtension = CONTAINING_RECORD(lunEntry, SCSI_PORT_LUN_EXTENSION, LunEntry); 259 260 /* Now match what caller asked with what we are at now */ 261 if ((PathId == SP_UNTAGGED || PathId == LunExtension->PathId) && 262 (TargetId == SP_UNTAGGED || TargetId == LunExtension->TargetId) && 263 (Lun == SP_UNTAGGED || Lun == LunExtension->Lun)) 264 { 265 /* Yes, that's what caller asked for. Complete abort requests */ 266 if (LunExtension->CompletedAbortRequests) 267 { 268 /* TODO: Save SrbStatus in this request */ 269 DPRINT1("Completing abort request without setting SrbStatus!\n"); 270 271 /* Issue a notification request */ 272 ScsiPortNotification(RequestComplete, 273 HwDeviceExtension, 274 LunExtension->CompletedAbortRequests); 275 } 276 277 /* Complete the request using our helper */ 278 SpiCompleteRequest(HwDeviceExtension, 279 &LunExtension->SrbInfo, 280 SrbStatus); 281 282 /* Go through the queue and complete everything there too */ 283 ListEntry = LunExtension->SrbInfo.Requests.Flink; 284 while (ListEntry != &LunExtension->SrbInfo.Requests) 285 { 286 /* Get the actual SRB info entry */ 287 SrbInfo = CONTAINING_RECORD(ListEntry, 288 SCSI_REQUEST_BLOCK_INFO, 289 Requests); 290 291 /* Complete it */ 292 SpiCompleteRequest(HwDeviceExtension, 293 SrbInfo, 294 SrbStatus); 295 296 /* Advance to the next request in queue */ 297 ListEntry = SrbInfo->Requests.Flink; 298 } 299 } 300 } 301 } 302 } 303 304 /* 305 * @unimplemented 306 */ 307 VOID NTAPI 308 ScsiPortFlushDma(IN PVOID HwDeviceExtension) 309 { 310 DPRINT("ScsiPortFlushDma()\n"); 311 UNIMPLEMENTED; 312 } 313 314 315 /* 316 * @implemented 317 */ 318 VOID NTAPI 319 ScsiPortFreeDeviceBase(IN PVOID HwDeviceExtension, 320 IN PVOID MappedAddress) 321 { 322 PSCSI_PORT_DEVICE_EXTENSION DeviceExtension; 323 PMAPPED_ADDRESS NextMa, LastMa; 324 325 //DPRINT("ScsiPortFreeDeviceBase() called\n"); 326 327 DeviceExtension = CONTAINING_RECORD(HwDeviceExtension, 328 SCSI_PORT_DEVICE_EXTENSION, 329 MiniPortDeviceExtension); 330 331 /* Initialize our pointers */ 332 NextMa = DeviceExtension->MappedAddressList; 333 LastMa = NextMa; 334 335 while (NextMa) 336 { 337 if (NextMa->MappedAddress == MappedAddress) 338 { 339 /* Unmap it first */ 340 MmUnmapIoSpace(MappedAddress, NextMa->NumberOfBytes); 341 342 /* Remove it from the list */ 343 if (NextMa == DeviceExtension->MappedAddressList) 344 { 345 /* Remove the first entry */ 346 DeviceExtension->MappedAddressList = NextMa->NextMappedAddress; 347 } 348 else 349 { 350 LastMa->NextMappedAddress = NextMa->NextMappedAddress; 351 } 352 353 /* Free the resources and quit */ 354 ExFreePool(NextMa); 355 356 return; 357 } 358 else 359 { 360 LastMa = NextMa; 361 NextMa = NextMa->NextMappedAddress; 362 } 363 } 364 } 365 366 367 /* 368 * @implemented 369 */ 370 ULONG NTAPI 371 ScsiPortGetBusData(IN PVOID DeviceExtension, 372 IN ULONG BusDataType, 373 IN ULONG SystemIoBusNumber, 374 IN ULONG SlotNumber, 375 IN PVOID Buffer, 376 IN ULONG Length) 377 { 378 DPRINT("ScsiPortGetBusData()\n"); 379 380 if (Length) 381 { 382 /* If Length is non-zero, just forward the call to 383 HalGetBusData() function */ 384 return HalGetBusData(BusDataType, 385 SystemIoBusNumber, 386 SlotNumber, 387 Buffer, 388 Length); 389 } 390 391 /* We have a more complex case here */ 392 UNIMPLEMENTED; 393 return 0; 394 } 395 396 /* 397 * @implemented 398 */ 399 ULONG NTAPI 400 ScsiPortSetBusDataByOffset(IN PVOID DeviceExtension, 401 IN ULONG BusDataType, 402 IN ULONG SystemIoBusNumber, 403 IN ULONG SlotNumber, 404 IN PVOID Buffer, 405 IN ULONG Offset, 406 IN ULONG Length) 407 { 408 DPRINT("ScsiPortSetBusDataByOffset()\n"); 409 return HalSetBusDataByOffset(BusDataType, 410 SystemIoBusNumber, 411 SlotNumber, 412 Buffer, 413 Offset, 414 Length); 415 } 416 417 /* 418 * @implemented 419 */ 420 PVOID NTAPI 421 ScsiPortGetDeviceBase(IN PVOID HwDeviceExtension, 422 IN INTERFACE_TYPE BusType, 423 IN ULONG SystemIoBusNumber, 424 IN SCSI_PHYSICAL_ADDRESS IoAddress, 425 IN ULONG NumberOfBytes, 426 IN BOOLEAN InIoSpace) 427 { 428 PSCSI_PORT_DEVICE_EXTENSION DeviceExtension; 429 PHYSICAL_ADDRESS TranslatedAddress; 430 PMAPPED_ADDRESS DeviceBase; 431 ULONG AddressSpace; 432 PVOID MappedAddress; 433 434 //DPRINT ("ScsiPortGetDeviceBase() called\n"); 435 436 DeviceExtension = CONTAINING_RECORD(HwDeviceExtension, 437 SCSI_PORT_DEVICE_EXTENSION, 438 MiniPortDeviceExtension); 439 440 AddressSpace = (ULONG)InIoSpace; 441 if (HalTranslateBusAddress(BusType, 442 SystemIoBusNumber, 443 IoAddress, 444 &AddressSpace, 445 &TranslatedAddress) == FALSE) 446 { 447 return NULL; 448 } 449 450 /* i/o space */ 451 if (AddressSpace != 0) 452 return((PVOID)(ULONG_PTR)TranslatedAddress.QuadPart); 453 454 MappedAddress = MmMapIoSpace(TranslatedAddress, 455 NumberOfBytes, 456 FALSE); 457 458 DeviceBase = ExAllocatePoolWithTag(NonPagedPool, 459 sizeof(MAPPED_ADDRESS), TAG_SCSIPORT); 460 461 if (DeviceBase == NULL) 462 return MappedAddress; 463 464 DeviceBase->MappedAddress = MappedAddress; 465 DeviceBase->NumberOfBytes = NumberOfBytes; 466 DeviceBase->IoAddress = IoAddress; 467 DeviceBase->BusNumber = SystemIoBusNumber; 468 469 /* Link it to the Device Extension list */ 470 DeviceBase->NextMappedAddress = DeviceExtension->MappedAddressList; 471 DeviceExtension->MappedAddressList = DeviceBase; 472 473 return MappedAddress; 474 } 475 476 /* 477 * @unimplemented 478 */ 479 PVOID NTAPI 480 ScsiPortGetLogicalUnit(IN PVOID HwDeviceExtension, 481 IN UCHAR PathId, 482 IN UCHAR TargetId, 483 IN UCHAR Lun) 484 { 485 PSCSI_PORT_DEVICE_EXTENSION DeviceExtension; 486 PSCSI_PORT_LUN_EXTENSION LunExtension; 487 488 DPRINT("ScsiPortGetLogicalUnit() called\n"); 489 490 DeviceExtension = CONTAINING_RECORD(HwDeviceExtension, 491 SCSI_PORT_DEVICE_EXTENSION, 492 MiniPortDeviceExtension); 493 494 /* Check the extension size */ 495 if (!DeviceExtension->LunExtensionSize) 496 { 497 /* They didn't want one */ 498 return NULL; 499 } 500 501 LunExtension = GetLunByPath(DeviceExtension, PathId, TargetId, Lun); 502 503 /* Check that the logical unit exists */ 504 if (!LunExtension) 505 { 506 /* Nope, return NULL */ 507 return NULL; 508 } 509 510 /* Return the logical unit miniport extension */ 511 return (LunExtension + 1); 512 } 513 514 515 /* 516 * @implemented 517 */ 518 SCSI_PHYSICAL_ADDRESS NTAPI 519 ScsiPortGetPhysicalAddress(IN PVOID HwDeviceExtension, 520 IN PSCSI_REQUEST_BLOCK Srb OPTIONAL, 521 IN PVOID VirtualAddress, 522 OUT ULONG *Length) 523 { 524 PSCSI_PORT_DEVICE_EXTENSION DeviceExtension; 525 SCSI_PHYSICAL_ADDRESS PhysicalAddress; 526 SIZE_T BufferLength = 0; 527 ULONG_PTR Offset; 528 PSCSI_SG_ADDRESS SGList; 529 PSCSI_REQUEST_BLOCK_INFO SrbInfo; 530 531 DPRINT("ScsiPortGetPhysicalAddress(%p %p %p %p)\n", 532 HwDeviceExtension, Srb, VirtualAddress, Length); 533 534 DeviceExtension = CONTAINING_RECORD(HwDeviceExtension, 535 SCSI_PORT_DEVICE_EXTENSION, 536 MiniPortDeviceExtension); 537 538 if (Srb == NULL || Srb->SenseInfoBuffer == VirtualAddress) 539 { 540 /* Simply look it up in the allocated common buffer */ 541 Offset = (PUCHAR)VirtualAddress - (PUCHAR)DeviceExtension->SrbExtensionBuffer; 542 543 BufferLength = DeviceExtension->CommonBufferLength - Offset; 544 PhysicalAddress.QuadPart = DeviceExtension->PhysicalAddress.QuadPart + Offset; 545 } 546 else if (DeviceExtension->MapRegisters) 547 { 548 PIO_STACK_LOCATION IoStack = IoGetCurrentIrpStackLocation(Srb->OriginalRequest); 549 PSCSI_PORT_LUN_EXTENSION LunExtension = IoStack->DeviceObject->DeviceExtension; 550 ASSERT(LunExtension && !LunExtension->Common.IsFDO); 551 552 /* Scatter-gather list must be used */ 553 SrbInfo = SpiGetSrbData(DeviceExtension, LunExtension, Srb->QueueTag); 554 555 SGList = SrbInfo->ScatterGather; 556 557 /* Find needed item in the SG list */ 558 Offset = (PCHAR)VirtualAddress - (PCHAR)Srb->DataBuffer; 559 while (Offset >= SGList->Length) 560 { 561 Offset -= SGList->Length; 562 SGList++; 563 } 564 565 /* We're done, store length and physical address */ 566 BufferLength = SGList->Length - Offset; 567 PhysicalAddress.QuadPart = SGList->PhysicalAddress.QuadPart + Offset; 568 } 569 else 570 { 571 /* Nothing */ 572 PhysicalAddress.QuadPart = (LONGLONG)SP_UNINITIALIZED_VALUE; 573 } 574 575 *Length = (ULONG)BufferLength; 576 return PhysicalAddress; 577 } 578 579 580 /* 581 * @unimplemented 582 */ 583 PSCSI_REQUEST_BLOCK NTAPI 584 ScsiPortGetSrb(IN PVOID DeviceExtension, 585 IN UCHAR PathId, 586 IN UCHAR TargetId, 587 IN UCHAR Lun, 588 IN LONG QueueTag) 589 { 590 DPRINT1("ScsiPortGetSrb() unimplemented\n"); 591 UNIMPLEMENTED; 592 return NULL; 593 } 594 595 596 /* 597 * @implemented 598 */ 599 PVOID NTAPI 600 ScsiPortGetUncachedExtension(IN PVOID HwDeviceExtension, 601 IN PPORT_CONFIGURATION_INFORMATION ConfigInfo, 602 IN ULONG NumberOfBytes) 603 { 604 PSCSI_PORT_DEVICE_EXTENSION DeviceExtension; 605 DEVICE_DESCRIPTION DeviceDescription; 606 ULONG MapRegistersCount; 607 NTSTATUS Status; 608 609 DPRINT("ScsiPortGetUncachedExtension(%p %p %lu)\n", 610 HwDeviceExtension, ConfigInfo, NumberOfBytes); 611 612 DeviceExtension = CONTAINING_RECORD(HwDeviceExtension, 613 SCSI_PORT_DEVICE_EXTENSION, 614 MiniPortDeviceExtension); 615 616 /* Check for allocated common DMA buffer */ 617 if (DeviceExtension->SrbExtensionBuffer != NULL) 618 { 619 DPRINT1("The HBA has already got a common DMA buffer!\n"); 620 return NULL; 621 } 622 623 /* Check for DMA adapter object */ 624 if (DeviceExtension->AdapterObject == NULL) 625 { 626 /* Initialize DMA adapter description */ 627 RtlZeroMemory(&DeviceDescription, sizeof(DEVICE_DESCRIPTION)); 628 629 DeviceDescription.Version = DEVICE_DESCRIPTION_VERSION; 630 DeviceDescription.Master = ConfigInfo->Master; 631 DeviceDescription.ScatterGather = ConfigInfo->ScatterGather; 632 DeviceDescription.DemandMode = ConfigInfo->DemandMode; 633 DeviceDescription.Dma32BitAddresses = ConfigInfo->Dma32BitAddresses; 634 DeviceDescription.BusNumber = ConfigInfo->SystemIoBusNumber; 635 DeviceDescription.DmaChannel = ConfigInfo->DmaChannel; 636 DeviceDescription.InterfaceType = ConfigInfo->AdapterInterfaceType; 637 DeviceDescription.DmaWidth = ConfigInfo->DmaWidth; 638 DeviceDescription.DmaSpeed = ConfigInfo->DmaSpeed; 639 DeviceDescription.MaximumLength = ConfigInfo->MaximumTransferLength; 640 DeviceDescription.DmaPort = ConfigInfo->DmaPort; 641 642 /* Get a DMA adapter object */ 643 DeviceExtension->AdapterObject = 644 HalGetAdapter(&DeviceDescription, &MapRegistersCount); 645 646 /* Fail in case of error */ 647 if (DeviceExtension->AdapterObject == NULL) 648 { 649 DPRINT1("HalGetAdapter() failed\n"); 650 return NULL; 651 } 652 653 /* Set number of physical breaks */ 654 if (ConfigInfo->NumberOfPhysicalBreaks != 0 && 655 MapRegistersCount > ConfigInfo->NumberOfPhysicalBreaks) 656 { 657 DeviceExtension->PortCapabilities.MaximumPhysicalPages = 658 ConfigInfo->NumberOfPhysicalBreaks; 659 } 660 else 661 { 662 DeviceExtension->PortCapabilities.MaximumPhysicalPages = MapRegistersCount; 663 } 664 } 665 666 /* Update auto request sense feature */ 667 DeviceExtension->SupportsAutoSense = ConfigInfo->AutoRequestSense; 668 669 /* Update Srb extension size */ 670 if (DeviceExtension->SrbExtensionSize != ConfigInfo->SrbExtensionSize) 671 DeviceExtension->SrbExtensionSize = ConfigInfo->SrbExtensionSize; 672 673 /* Update Srb extension alloc flag */ 674 if (ConfigInfo->AutoRequestSense || DeviceExtension->SrbExtensionSize) 675 DeviceExtension->NeedSrbExtensionAlloc = TRUE; 676 677 /* Allocate a common DMA buffer */ 678 Status = SpiAllocateCommonBuffer(DeviceExtension, NumberOfBytes); 679 680 if (!NT_SUCCESS(Status)) 681 { 682 DPRINT1("SpiAllocateCommonBuffer() failed with Status = 0x%08X!\n", Status); 683 return NULL; 684 } 685 686 return DeviceExtension->NonCachedExtension; 687 } 688 689 static NTSTATUS 690 SpiAllocateCommonBuffer(PSCSI_PORT_DEVICE_EXTENSION DeviceExtension, ULONG NonCachedSize) 691 { 692 PVOID *SrbExtension, CommonBuffer; 693 ULONG CommonBufferLength, BufSize; 694 695 /* If size is 0, set it to 16 */ 696 if (!DeviceExtension->SrbExtensionSize) 697 DeviceExtension->SrbExtensionSize = 16; 698 699 /* Calculate size */ 700 BufSize = DeviceExtension->SrbExtensionSize; 701 702 /* Add autosense data size if needed */ 703 if (DeviceExtension->SupportsAutoSense) 704 BufSize += sizeof(SENSE_DATA); 705 706 707 /* Round it */ 708 BufSize = (BufSize + sizeof(LONGLONG) - 1) & ~(sizeof(LONGLONG) - 1); 709 710 /* Sum up into the total common buffer length, and round it to page size */ 711 CommonBufferLength = 712 ROUND_TO_PAGES(NonCachedSize + BufSize * DeviceExtension->RequestsNumber); 713 714 /* Allocate it */ 715 if (!DeviceExtension->AdapterObject) 716 { 717 /* From nonpaged pool if there is no DMA */ 718 CommonBuffer = ExAllocatePoolWithTag(NonPagedPool, CommonBufferLength, TAG_SCSIPORT); 719 } 720 else 721 { 722 /* Perform a full request since we have a DMA adapter*/ 723 CommonBuffer = HalAllocateCommonBuffer(DeviceExtension->AdapterObject, 724 CommonBufferLength, 725 &DeviceExtension->PhysicalAddress, 726 FALSE ); 727 } 728 729 /* Fail in case of error */ 730 if (!CommonBuffer) 731 return STATUS_INSUFFICIENT_RESOURCES; 732 733 /* Zero it */ 734 RtlZeroMemory(CommonBuffer, CommonBufferLength); 735 736 /* Store its size in Device Extension */ 737 DeviceExtension->CommonBufferLength = CommonBufferLength; 738 739 /* SrbExtension buffer is located at the beginning of the buffer */ 740 DeviceExtension->SrbExtensionBuffer = CommonBuffer; 741 742 /* Non-cached extension buffer is located at the end of 743 the common buffer */ 744 if (NonCachedSize) 745 { 746 CommonBufferLength -= NonCachedSize; 747 DeviceExtension->NonCachedExtension = (PUCHAR)CommonBuffer + CommonBufferLength; 748 } 749 else 750 { 751 DeviceExtension->NonCachedExtension = NULL; 752 } 753 754 if (DeviceExtension->NeedSrbExtensionAlloc) 755 { 756 /* Look up how many SRB data structures we need */ 757 DeviceExtension->SrbDataCount = CommonBufferLength / BufSize; 758 759 /* Initialize the free SRB extensions list */ 760 SrbExtension = (PVOID *)CommonBuffer; 761 DeviceExtension->FreeSrbExtensions = SrbExtension; 762 763 /* Fill the remaining pointers (if we have more than 1 SRB) */ 764 while (CommonBufferLength >= 2 * BufSize) 765 { 766 *SrbExtension = (PVOID*)((PCHAR)SrbExtension + BufSize); 767 SrbExtension = *SrbExtension; 768 769 CommonBufferLength -= BufSize; 770 } 771 } 772 773 return STATUS_SUCCESS; 774 } 775 776 777 778 /* 779 * @implemented 780 */ 781 PVOID NTAPI 782 ScsiPortGetVirtualAddress(IN PVOID HwDeviceExtension, 783 IN SCSI_PHYSICAL_ADDRESS PhysicalAddress) 784 { 785 PSCSI_PORT_DEVICE_EXTENSION DeviceExtension; 786 ULONG Offset; 787 788 DPRINT("ScsiPortGetVirtualAddress(%p %I64x)\n", 789 HwDeviceExtension, PhysicalAddress.QuadPart); 790 791 DeviceExtension = CONTAINING_RECORD(HwDeviceExtension, 792 SCSI_PORT_DEVICE_EXTENSION, 793 MiniPortDeviceExtension); 794 795 if (DeviceExtension->PhysicalAddress.QuadPart > PhysicalAddress.QuadPart) 796 return NULL; 797 798 Offset = (ULONG)(PhysicalAddress.QuadPart - DeviceExtension->PhysicalAddress.QuadPart); 799 800 if (Offset >= DeviceExtension->CommonBufferLength) 801 return NULL; 802 803 return (PVOID)((ULONG_PTR)DeviceExtension->SrbExtensionBuffer + Offset); 804 } 805 806 /********************************************************************** 807 * NAME EXPORTED 808 * ScsiPortInitialize 809 * 810 * DESCRIPTION 811 * Initializes SCSI port driver specific data. 812 * 813 * RUN LEVEL 814 * PASSIVE_LEVEL 815 * 816 * ARGUMENTS 817 * Argument1 818 * Pointer to the miniport driver's driver object. 819 * 820 * Argument2 821 * Pointer to the miniport driver's registry path. 822 * 823 * HwInitializationData 824 * Pointer to port driver specific configuration data. 825 * 826 * HwContext 827 Miniport driver specific context. 828 * 829 * RETURN VALUE 830 * Status. 831 * 832 * @implemented 833 */ 834 835 ULONG NTAPI 836 ScsiPortInitialize( 837 IN PVOID Argument1, 838 IN PVOID Argument2, 839 IN struct _HW_INITIALIZATION_DATA *HwInitializationData, 840 IN PVOID HwContext) 841 { 842 PDRIVER_OBJECT DriverObject = (PDRIVER_OBJECT)Argument1; 843 PUNICODE_STRING RegistryPath = (PUNICODE_STRING)Argument2; 844 PSCSI_PORT_DEVICE_EXTENSION DeviceExtension = NULL; 845 PCONFIGURATION_INFORMATION SystemConfig; 846 PPORT_CONFIGURATION_INFORMATION PortConfig; 847 CONFIGURATION_INFO ConfigInfo; 848 ULONG DeviceExtensionSize; 849 ULONG PortConfigSize; 850 BOOLEAN Again; 851 BOOLEAN DeviceFound = FALSE; 852 BOOLEAN FirstConfigCall = TRUE; 853 ULONG Result; 854 NTSTATUS Status; 855 PCI_SLOT_NUMBER SlotNumber; 856 857 PDEVICE_OBJECT PortDeviceObject; 858 UNICODE_STRING DeviceName; 859 PIO_SCSI_CAPABILITIES PortCapabilities; 860 861 PCM_RESOURCE_LIST ResourceList; 862 863 DPRINT("ScsiPortInitialize() called!\n"); 864 865 /* Check params for validity */ 866 if ((HwInitializationData->HwInitialize == NULL) || 867 (HwInitializationData->HwStartIo == NULL) || 868 (HwInitializationData->HwInterrupt == NULL) || 869 (HwInitializationData->HwFindAdapter == NULL) || 870 (HwInitializationData->HwResetBus == NULL)) 871 { 872 return STATUS_REVISION_MISMATCH; 873 } 874 875 PSCSI_PORT_DRIVER_EXTENSION driverExtension; 876 877 // ScsiPortInitialize may be called multiple times by the same driver 878 driverExtension = IoGetDriverObjectExtension(DriverObject, HwInitializationData->HwInitialize); 879 880 if (!driverExtension) 881 { 882 Status = IoAllocateDriverObjectExtension(DriverObject, 883 HwInitializationData->HwInitialize, 884 sizeof(SCSI_PORT_DRIVER_EXTENSION), 885 (PVOID *)&driverExtension); 886 887 if (!NT_SUCCESS(Status)) 888 { 889 DPRINT1("Failed to allocate the driver extension! Status 0x%x\n", Status); 890 return Status; 891 } 892 } 893 894 // set up the driver extension 895 driverExtension->RegistryPath.Buffer = 896 ExAllocatePoolWithTag(PagedPool, RegistryPath->MaximumLength, TAG_SCSIPORT); 897 driverExtension->RegistryPath.MaximumLength = RegistryPath->MaximumLength; 898 RtlCopyUnicodeString(&driverExtension->RegistryPath, RegistryPath); 899 900 driverExtension->DriverObject = DriverObject; 901 902 /* Set handlers */ 903 DriverObject->DriverUnload = ScsiPortUnload; 904 DriverObject->DriverStartIo = ScsiPortStartIo; 905 DriverObject->DriverExtension->AddDevice = ScsiPortAddDevice; 906 DriverObject->MajorFunction[IRP_MJ_CREATE] = ScsiPortCreateClose; 907 DriverObject->MajorFunction[IRP_MJ_CLOSE] = ScsiPortCreateClose; 908 DriverObject->MajorFunction[IRP_MJ_DEVICE_CONTROL] = ScsiPortDeviceControl; 909 DriverObject->MajorFunction[IRP_MJ_SCSI] = ScsiPortDispatchScsi; 910 DriverObject->MajorFunction[IRP_MJ_PNP] = ScsiPortDispatchPnp; 911 DriverObject->MajorFunction[IRP_MJ_POWER] = ScsiPortDispatchPower; 912 913 /* Obtain configuration information */ 914 SystemConfig = IoGetConfigurationInformation(); 915 916 /* Zero the internal configuration info structure */ 917 RtlZeroMemory(&ConfigInfo, sizeof(CONFIGURATION_INFO)); 918 919 /* Zero starting slot number */ 920 SlotNumber.u.AsULONG = 0; 921 922 /* Allocate space for access ranges */ 923 if (HwInitializationData->NumberOfAccessRanges) 924 { 925 ConfigInfo.AccessRanges = 926 ExAllocatePoolWithTag(PagedPool, 927 HwInitializationData->NumberOfAccessRanges * sizeof(ACCESS_RANGE), TAG_SCSIPORT); 928 929 /* Fail if failed */ 930 if (ConfigInfo.AccessRanges == NULL) 931 return STATUS_INSUFFICIENT_RESOURCES; 932 } 933 934 /* Open registry keys and fill the driverExtension */ 935 SpiInitOpenKeys(&ConfigInfo, driverExtension); 936 937 // FIXME: PnP miniports are not supported 938 ASSERT(driverExtension->IsLegacyDriver); 939 940 /* Last adapter number = not known */ 941 ConfigInfo.LastAdapterNumber = SP_UNINITIALIZED_VALUE; 942 943 /* Calculate sizes of DeviceExtension and PortConfig */ 944 DeviceExtensionSize = sizeof(SCSI_PORT_DEVICE_EXTENSION) + 945 HwInitializationData->DeviceExtensionSize; 946 947 DPRINT("AdapterInterfaceType: %lu\n", 948 HwInitializationData->AdapterInterfaceType); 949 950 while (TRUE) 951 { 952 WCHAR NameBuffer[27]; 953 /* Create a unicode device name */ 954 swprintf(NameBuffer, 955 L"\\Device\\ScsiPort%lu", 956 SystemConfig->ScsiPortCount); 957 if (!RtlCreateUnicodeString(&DeviceName, NameBuffer)) 958 { 959 DPRINT1("Failed to allocate memory for device name!\n"); 960 Status = STATUS_INSUFFICIENT_RESOURCES; 961 PortDeviceObject = NULL; 962 break; 963 } 964 965 DPRINT("Creating device: %wZ\n", &DeviceName); 966 967 /* Create the port device */ 968 Status = IoCreateDevice(DriverObject, 969 DeviceExtensionSize, 970 &DeviceName, 971 FILE_DEVICE_CONTROLLER, 972 FILE_DEVICE_SECURE_OPEN, 973 FALSE, 974 &PortDeviceObject); 975 976 if (!NT_SUCCESS(Status)) 977 { 978 DPRINT1("IoCreateDevice call failed! (Status 0x%lX)\n", Status); 979 PortDeviceObject = NULL; 980 break; 981 } 982 983 /* Set the buffering strategy here... */ 984 PortDeviceObject->Flags |= DO_DIRECT_IO; 985 PortDeviceObject->AlignmentRequirement = FILE_WORD_ALIGNMENT; /* FIXME: Is this really needed? */ 986 987 /* Fill Device Extension */ 988 DeviceExtension = PortDeviceObject->DeviceExtension; 989 RtlZeroMemory(DeviceExtension, DeviceExtensionSize); 990 DeviceExtension->Common.DeviceObject = PortDeviceObject; 991 DeviceExtension->Common.IsFDO = TRUE; 992 DeviceExtension->Length = DeviceExtensionSize; 993 DeviceExtension->PortNumber = SystemConfig->ScsiPortCount; 994 DeviceExtension->DeviceName = DeviceName; 995 996 /* Driver's routines... */ 997 DeviceExtension->HwInitialize = HwInitializationData->HwInitialize; 998 DeviceExtension->HwStartIo = HwInitializationData->HwStartIo; 999 DeviceExtension->HwInterrupt = HwInitializationData->HwInterrupt; 1000 DeviceExtension->HwResetBus = HwInitializationData->HwResetBus; 1001 DeviceExtension->HwDmaStarted = HwInitializationData->HwDmaStarted; 1002 1003 /* Extensions sizes */ 1004 DeviceExtension->MiniPortExtensionSize = HwInitializationData->DeviceExtensionSize; 1005 DeviceExtension->LunExtensionSize = 1006 ALIGN_UP(HwInitializationData->SpecificLuExtensionSize, INT64); 1007 DeviceExtension->SrbExtensionSize = 1008 ALIGN_UP(HwInitializationData->SrbExtensionSize, INT64); 1009 1010 /* Fill some numbers (bus count, lun count, etc) */ 1011 DeviceExtension->MaxLunCount = SCSI_MAXIMUM_LOGICAL_UNITS; 1012 DeviceExtension->RequestsNumber = 16; 1013 1014 /* Initialize the spin lock in the controller extension */ 1015 KeInitializeSpinLock(&DeviceExtension->IrqLock); 1016 KeInitializeSpinLock(&DeviceExtension->SpinLock); 1017 1018 /* Initialize the DPC object */ 1019 IoInitializeDpcRequest(PortDeviceObject, 1020 ScsiPortDpcForIsr); 1021 1022 /* Initialize the device timer */ 1023 DeviceExtension->TimerCount = -1; 1024 IoInitializeTimer(PortDeviceObject, 1025 ScsiPortIoTimer, 1026 DeviceExtension); 1027 1028 /* Initialize miniport timer */ 1029 KeInitializeTimer(&DeviceExtension->MiniportTimer); 1030 KeInitializeDpc(&DeviceExtension->MiniportTimerDpc, 1031 SpiMiniportTimerDpc, 1032 PortDeviceObject); 1033 1034 CreatePortConfig: 1035 1036 /* Allocate and initialize port configuration info */ 1037 PortConfigSize = sizeof(PORT_CONFIGURATION_INFORMATION) + 1038 HwInitializationData->NumberOfAccessRanges * sizeof(ACCESS_RANGE); 1039 PortConfigSize = ALIGN_UP(PortConfigSize, INT64); 1040 DeviceExtension->PortConfig = ExAllocatePoolWithTag(NonPagedPool, PortConfigSize, TAG_SCSIPORT); 1041 1042 /* Fail if failed */ 1043 if (DeviceExtension->PortConfig == NULL) 1044 { 1045 Status = STATUS_INSUFFICIENT_RESOURCES; 1046 break; 1047 } 1048 1049 Status = SpiCreatePortConfig(DeviceExtension, 1050 HwInitializationData, 1051 &ConfigInfo, 1052 DeviceExtension->PortConfig, 1053 FirstConfigCall); 1054 1055 if (!NT_SUCCESS(Status)) 1056 { 1057 DPRINT("SpiCreatePortConfig() failed with Status 0x%08X\n", Status); 1058 break; 1059 } 1060 1061 PortConfig = DeviceExtension->PortConfig; 1062 1063 /* Copy extension sizes into the PortConfig */ 1064 PortConfig->SpecificLuExtensionSize = DeviceExtension->LunExtensionSize; 1065 PortConfig->SrbExtensionSize = DeviceExtension->SrbExtensionSize; 1066 1067 /* Initialize Access ranges */ 1068 if (HwInitializationData->NumberOfAccessRanges != 0) 1069 { 1070 PortConfig->AccessRanges = ALIGN_UP_POINTER(PortConfig + 1, INT64); 1071 1072 /* Copy the data */ 1073 RtlCopyMemory(PortConfig->AccessRanges, 1074 ConfigInfo.AccessRanges, 1075 HwInitializationData->NumberOfAccessRanges * sizeof(ACCESS_RANGE)); 1076 } 1077 1078 /* Search for matching PCI device */ 1079 if ((HwInitializationData->AdapterInterfaceType == PCIBus) && 1080 (HwInitializationData->VendorIdLength > 0) && 1081 (HwInitializationData->VendorId != NULL) && 1082 (HwInitializationData->DeviceIdLength > 0) && 1083 (HwInitializationData->DeviceId != NULL)) 1084 { 1085 PortConfig->BusInterruptLevel = 0; 1086 1087 /* Get PCI device data */ 1088 DPRINT( 1089 "VendorId '%.*s' DeviceId '%.*s'\n", HwInitializationData->VendorIdLength, 1090 HwInitializationData->VendorId, HwInitializationData->DeviceIdLength, 1091 HwInitializationData->DeviceId); 1092 1093 if (!SpiGetPciConfigData( 1094 DriverObject, PortDeviceObject, HwInitializationData, PortConfig, RegistryPath, 1095 ConfigInfo.BusNumber, &SlotNumber)) 1096 { 1097 /* Continue to the next bus, nothing here */ 1098 ConfigInfo.BusNumber++; 1099 DeviceExtension->PortConfig = NULL; 1100 ExFreePool(PortConfig); 1101 Again = FALSE; 1102 goto CreatePortConfig; 1103 } 1104 1105 if (!PortConfig->BusInterruptLevel) 1106 { 1107 /* Bypass this slot, because no interrupt was assigned */ 1108 DeviceExtension->PortConfig = NULL; 1109 ExFreePool(PortConfig); 1110 goto CreatePortConfig; 1111 } 1112 } 1113 else 1114 { 1115 DPRINT("Non-pci bus\n"); 1116 } 1117 1118 /* Note: HwFindAdapter is called once for each bus */ 1119 Again = FALSE; 1120 DPRINT("Calling HwFindAdapter() for Bus %lu\n", PortConfig->SystemIoBusNumber); 1121 Result = (HwInitializationData->HwFindAdapter)( 1122 &DeviceExtension->MiniPortDeviceExtension, HwContext, 0, /* BusInformation */ 1123 ConfigInfo.Parameter, /* ArgumentString */ 1124 PortConfig, &Again); 1125 1126 DPRINT("HwFindAdapter() Result: %lu Again: %s\n", Result, (Again) ? "True" : "False"); 1127 1128 /* Free MapRegisterBase, it's not needed anymore */ 1129 if (DeviceExtension->MapRegisterBase != NULL) 1130 { 1131 ExFreePool(DeviceExtension->MapRegisterBase); 1132 DeviceExtension->MapRegisterBase = NULL; 1133 } 1134 1135 /* If result is nothing good... */ 1136 if (Result != SP_RETURN_FOUND) 1137 { 1138 DPRINT("HwFindAdapter() Result: %lu\n", Result); 1139 1140 if (Result == SP_RETURN_NOT_FOUND) 1141 { 1142 /* We can continue on the next bus */ 1143 ConfigInfo.BusNumber++; 1144 Again = FALSE; 1145 1146 DeviceExtension->PortConfig = NULL; 1147 ExFreePool(PortConfig); 1148 goto CreatePortConfig; 1149 } 1150 1151 /* Otherwise, break */ 1152 Status = STATUS_INTERNAL_ERROR; 1153 break; 1154 } 1155 1156 DPRINT( 1157 "ScsiPortInitialize(): Found HBA! (%x), adapter Id %d\n", 1158 PortConfig->BusInterruptVector, PortConfig->InitiatorBusId[0]); 1159 1160 /* If the SRB extension size was updated */ 1161 if (!DeviceExtension->NonCachedExtension && 1162 (PortConfig->SrbExtensionSize != DeviceExtension->SrbExtensionSize)) 1163 { 1164 /* Set it (rounding to LONGLONG again) */ 1165 DeviceExtension->SrbExtensionSize = ALIGN_UP(PortConfig->SrbExtensionSize, INT64); 1166 } 1167 1168 /* The same with LUN extension size */ 1169 if (PortConfig->SpecificLuExtensionSize != DeviceExtension->LunExtensionSize) 1170 DeviceExtension->LunExtensionSize = PortConfig->SpecificLuExtensionSize; 1171 1172 /* Construct a resource list */ 1173 ResourceList = SpiConfigToResource(DeviceExtension, PortConfig); 1174 1175 PDEVICE_OBJECT LowerPDO = NULL; 1176 1177 Status = IoReportDetectedDevice(DriverObject, 1178 HwInitializationData->AdapterInterfaceType, 1179 ConfigInfo.BusNumber, 1180 PortConfig->SlotNumber, 1181 ResourceList, 1182 NULL, 1183 TRUE, 1184 &LowerPDO); 1185 1186 if (!NT_SUCCESS(Status)) 1187 { 1188 DPRINT1("IoReportDetectedDevice failed. Status: 0x%x\n", Status); 1189 __debugbreak(); 1190 break; 1191 } 1192 1193 DeviceExtension->Common.LowerDevice = IoAttachDeviceToDeviceStack(PortDeviceObject, LowerPDO); 1194 1195 ASSERT(DeviceExtension->Common.LowerDevice); 1196 1197 PortDeviceObject->Flags &= ~DO_DEVICE_INITIALIZING; 1198 1199 if (ResourceList) 1200 { 1201 ExFreePoolWithTag(ResourceList, TAG_SCSIPORT); 1202 } 1203 1204 /* Copy all stuff which we ever need from PortConfig to the DeviceExtension */ 1205 if (PortConfig->MaximumNumberOfTargets > SCSI_MAXIMUM_TARGETS_PER_BUS) 1206 DeviceExtension->MaxTargedIds = SCSI_MAXIMUM_TARGETS_PER_BUS; 1207 else 1208 DeviceExtension->MaxTargedIds = PortConfig->MaximumNumberOfTargets; 1209 1210 DeviceExtension->NumberOfBuses = PortConfig->NumberOfBuses; 1211 DeviceExtension->CachesData = PortConfig->CachesData; 1212 DeviceExtension->ReceiveEvent = PortConfig->ReceiveEvent; 1213 DeviceExtension->SupportsTaggedQueuing = PortConfig->TaggedQueuing; 1214 DeviceExtension->MultipleReqsPerLun = PortConfig->MultipleRequestPerLu; 1215 1216 /* Initialize bus scanning information */ 1217 size_t BusConfigSize = DeviceExtension->NumberOfBuses * sizeof(*DeviceExtension->Buses); 1218 DeviceExtension->Buses = ExAllocatePoolZero(NonPagedPool, BusConfigSize, TAG_SCSIPORT); 1219 if (!DeviceExtension->Buses) 1220 { 1221 DPRINT1("Out of resources!\n"); 1222 Status = STATUS_INSUFFICIENT_RESOURCES; 1223 break; 1224 } 1225 1226 // initialize bus data 1227 for (UINT8 pathId = 0; pathId < DeviceExtension->NumberOfBuses; pathId++) 1228 { 1229 DeviceExtension->Buses[pathId].BusIdentifier = 1230 DeviceExtension->PortConfig->InitiatorBusId[pathId]; 1231 InitializeListHead(&DeviceExtension->Buses[pathId].LunsListHead); 1232 } 1233 1234 /* If something was disabled via registry - apply it */ 1235 if (ConfigInfo.DisableMultipleLun) 1236 DeviceExtension->MultipleReqsPerLun = PortConfig->MultipleRequestPerLu = FALSE; 1237 1238 if (ConfigInfo.DisableTaggedQueueing) 1239 DeviceExtension->SupportsTaggedQueuing = PortConfig->MultipleRequestPerLu = FALSE; 1240 1241 /* Check if we need to alloc SRB data */ 1242 if (DeviceExtension->SupportsTaggedQueuing || DeviceExtension->MultipleReqsPerLun) 1243 { 1244 DeviceExtension->NeedSrbDataAlloc = TRUE; 1245 } 1246 else 1247 { 1248 DeviceExtension->NeedSrbDataAlloc = FALSE; 1249 } 1250 1251 /* Get a pointer to the port capabilities */ 1252 PortCapabilities = &DeviceExtension->PortCapabilities; 1253 1254 /* Copy one field there */ 1255 DeviceExtension->MapBuffers = PortConfig->MapBuffers; 1256 PortCapabilities->AdapterUsesPio = PortConfig->MapBuffers; 1257 1258 if (DeviceExtension->AdapterObject == NULL && 1259 (PortConfig->DmaChannel != SP_UNINITIALIZED_VALUE || PortConfig->Master)) 1260 { 1261 DPRINT1("DMA is not supported yet\n"); 1262 ASSERT(FALSE); 1263 } 1264 1265 if (DeviceExtension->SrbExtensionBuffer == NULL && 1266 (DeviceExtension->SrbExtensionSize != 0 || PortConfig->AutoRequestSense)) 1267 { 1268 DeviceExtension->SupportsAutoSense = PortConfig->AutoRequestSense; 1269 DeviceExtension->NeedSrbExtensionAlloc = TRUE; 1270 1271 /* Allocate common buffer */ 1272 Status = SpiAllocateCommonBuffer(DeviceExtension, 0); 1273 1274 /* Check for failure */ 1275 if (!NT_SUCCESS(Status)) 1276 break; 1277 } 1278 1279 /* Allocate SrbData, if needed */ 1280 if (DeviceExtension->NeedSrbDataAlloc) 1281 { 1282 ULONG Count; 1283 PSCSI_REQUEST_BLOCK_INFO SrbData; 1284 1285 if (DeviceExtension->SrbDataCount != 0) 1286 Count = DeviceExtension->SrbDataCount; 1287 else 1288 Count = DeviceExtension->RequestsNumber * 2; 1289 1290 /* Allocate the data */ 1291 SrbData = ExAllocatePoolWithTag( 1292 NonPagedPool, Count * sizeof(SCSI_REQUEST_BLOCK_INFO), TAG_SCSIPORT); 1293 if (SrbData == NULL) 1294 return STATUS_INSUFFICIENT_RESOURCES; 1295 1296 RtlZeroMemory(SrbData, Count * sizeof(SCSI_REQUEST_BLOCK_INFO)); 1297 1298 DeviceExtension->SrbInfo = SrbData; 1299 DeviceExtension->FreeSrbInfo = SrbData; 1300 DeviceExtension->SrbDataCount = Count; 1301 1302 /* Link it to the list */ 1303 while (Count > 0) 1304 { 1305 SrbData->Requests.Flink = (PLIST_ENTRY)(SrbData + 1); 1306 SrbData++; 1307 Count--; 1308 } 1309 1310 /* Mark the last entry of the list */ 1311 SrbData--; 1312 SrbData->Requests.Flink = NULL; 1313 } 1314 1315 /* Initialize port capabilities */ 1316 PortCapabilities = &DeviceExtension->PortCapabilities; 1317 PortCapabilities->Length = sizeof(IO_SCSI_CAPABILITIES); 1318 PortCapabilities->MaximumTransferLength = PortConfig->MaximumTransferLength; 1319 1320 if (PortConfig->ReceiveEvent) 1321 PortCapabilities->SupportedAsynchronousEvents |= SRBEV_SCSI_ASYNC_NOTIFICATION; 1322 1323 PortCapabilities->TaggedQueuing = DeviceExtension->SupportsTaggedQueuing; 1324 PortCapabilities->AdapterScansDown = PortConfig->AdapterScansDown; 1325 1326 if (PortConfig->AlignmentMask > PortDeviceObject->AlignmentRequirement) 1327 PortDeviceObject->AlignmentRequirement = PortConfig->AlignmentMask; 1328 1329 PortCapabilities->AlignmentMask = PortDeviceObject->AlignmentRequirement; 1330 1331 if (PortCapabilities->MaximumPhysicalPages == 0) 1332 { 1333 PortCapabilities->MaximumPhysicalPages = 1334 BYTES_TO_PAGES(PortCapabilities->MaximumTransferLength); 1335 1336 /* Apply miniport's limits */ 1337 if (PortConfig->NumberOfPhysicalBreaks < PortCapabilities->MaximumPhysicalPages) 1338 { 1339 PortCapabilities->MaximumPhysicalPages = PortConfig->NumberOfPhysicalBreaks; 1340 } 1341 } 1342 1343 FdoCallHWInitialize(DeviceExtension); 1344 1345 Status = FdoStartAdapter(DeviceExtension); 1346 1347 if (!NT_SUCCESS(Status)) 1348 { 1349 DPRINT1("Failed to start the legacy adapter. Status 0x%x\n", Status); 1350 break; 1351 } 1352 1353 FdoScanAdapter(DeviceExtension); 1354 1355 FirstConfigCall = FALSE; 1356 1357 /* Increase adapter number and bus number respectively */ 1358 ConfigInfo.AdapterNumber++; 1359 1360 if (!Again) 1361 ConfigInfo.BusNumber++; 1362 1363 DPRINT(" Bus: %lu\n", ConfigInfo.BusNumber); 1364 1365 DeviceFound = TRUE; 1366 } 1367 1368 /* Clean up the mess */ 1369 if (!NT_SUCCESS(Status) && PortDeviceObject) 1370 { 1371 FdoRemoveAdapter(DeviceExtension); 1372 } 1373 1374 /* Close registry keys */ 1375 if (ConfigInfo.ServiceKey != NULL) 1376 ZwClose(ConfigInfo.ServiceKey); 1377 1378 if (ConfigInfo.DeviceKey != NULL) 1379 ZwClose(ConfigInfo.DeviceKey); 1380 1381 if (ConfigInfo.BusKey != NULL) 1382 ZwClose(ConfigInfo.BusKey); 1383 1384 if (ConfigInfo.AccessRanges != NULL) 1385 ExFreePool(ConfigInfo.AccessRanges); 1386 1387 if (ConfigInfo.Parameter != NULL) 1388 ExFreePool(ConfigInfo.Parameter); 1389 1390 DPRINT("ScsiPortInitialize() done, Status = 0x%08X, DeviceFound = %d!\n", 1391 Status, DeviceFound); 1392 1393 return (DeviceFound == FALSE) ? Status : STATUS_SUCCESS; 1394 } 1395 1396 /* 1397 * @unimplemented 1398 */ 1399 VOID NTAPI 1400 ScsiPortIoMapTransfer(IN PVOID HwDeviceExtension, 1401 IN PSCSI_REQUEST_BLOCK Srb, 1402 IN PVOID LogicalAddress, 1403 IN ULONG Length) 1404 { 1405 DPRINT1("ScsiPortIoMapTransfer()\n"); 1406 UNIMPLEMENTED; 1407 } 1408 1409 /* 1410 * @unimplemented 1411 */ 1412 VOID NTAPI 1413 ScsiPortLogError(IN PVOID HwDeviceExtension, 1414 IN PSCSI_REQUEST_BLOCK Srb OPTIONAL, 1415 IN UCHAR PathId, 1416 IN UCHAR TargetId, 1417 IN UCHAR Lun, 1418 IN ULONG ErrorCode, 1419 IN ULONG UniqueId) 1420 { 1421 //PSCSI_PORT_DEVICE_EXTENSION DeviceExtension; 1422 1423 DPRINT1("ScsiPortLogError() called\n"); 1424 DPRINT1("PathId: 0x%02x TargetId: 0x%02x Lun: 0x%02x ErrorCode: 0x%08lx UniqueId: 0x%08lx\n", 1425 PathId, TargetId, Lun, ErrorCode, UniqueId); 1426 1427 //DeviceExtension = CONTAINING_RECORD(HwDeviceExtension, SCSI_PORT_DEVICE_EXTENSION, MiniPortDeviceExtension); 1428 1429 1430 DPRINT("ScsiPortLogError() done\n"); 1431 } 1432 1433 /* 1434 * @implemented 1435 */ 1436 VOID NTAPI 1437 ScsiPortMoveMemory(OUT PVOID Destination, 1438 IN PVOID Source, 1439 IN ULONG Length) 1440 { 1441 RtlMoveMemory(Destination, 1442 Source, 1443 Length); 1444 } 1445 1446 1447 /* 1448 * @implemented 1449 */ 1450 VOID 1451 ScsiPortNotification(IN SCSI_NOTIFICATION_TYPE NotificationType, IN PVOID HwDeviceExtension, ...) 1452 { 1453 PSCSI_PORT_DEVICE_EXTENSION DeviceExtension; 1454 va_list ap; 1455 1456 DPRINT("ScsiPortNotification() called\n"); 1457 1458 DeviceExtension = 1459 CONTAINING_RECORD(HwDeviceExtension, SCSI_PORT_DEVICE_EXTENSION, MiniPortDeviceExtension); 1460 1461 DPRINT("DeviceExtension %p\n", DeviceExtension); 1462 1463 va_start(ap, HwDeviceExtension); 1464 1465 switch (NotificationType) 1466 { 1467 case RequestComplete: 1468 { 1469 PSCSI_REQUEST_BLOCK Srb; 1470 PSCSI_REQUEST_BLOCK_INFO SrbData; 1471 1472 Srb = (PSCSI_REQUEST_BLOCK)va_arg(ap, PSCSI_REQUEST_BLOCK); 1473 1474 DPRINT("Notify: RequestComplete (Srb %p)\n", Srb); 1475 1476 /* Make sure Srb is alright */ 1477 ASSERT(Srb->SrbStatus != SRB_STATUS_PENDING); 1478 ASSERT( 1479 Srb->Function != SRB_FUNCTION_EXECUTE_SCSI || 1480 Srb->SrbStatus != SRB_STATUS_SUCCESS || Srb->ScsiStatus == SCSISTAT_GOOD); 1481 1482 if (!(Srb->SrbFlags & SRB_FLAGS_IS_ACTIVE)) 1483 { 1484 /* It's been already completed */ 1485 va_end(ap); 1486 return; 1487 } 1488 1489 /* It's not active anymore */ 1490 Srb->SrbFlags &= ~SRB_FLAGS_IS_ACTIVE; 1491 1492 if (Srb->Function == SRB_FUNCTION_ABORT_COMMAND) 1493 { 1494 /* TODO: Treat it specially */ 1495 ASSERT(FALSE); 1496 } 1497 else 1498 { 1499 PIO_STACK_LOCATION IoStack = IoGetCurrentIrpStackLocation(Srb->OriginalRequest); 1500 PSCSI_PORT_LUN_EXTENSION LunExtension = IoStack->DeviceObject->DeviceExtension; 1501 ASSERT(LunExtension && !LunExtension->Common.IsFDO); 1502 1503 /* Get the SRB data */ 1504 SrbData = SpiGetSrbData(DeviceExtension, LunExtension, Srb->QueueTag); 1505 1506 /* Make sure there are no CompletedRequests and there is a Srb */ 1507 ASSERT(SrbData->CompletedRequests == NULL && SrbData->Srb != NULL); 1508 1509 /* If it's a read/write request, make sure it has data inside it */ 1510 if ((Srb->SrbStatus == SRB_STATUS_SUCCESS) && 1511 ((Srb->Cdb[0] == SCSIOP_READ) || (Srb->Cdb[0] == SCSIOP_WRITE))) 1512 { 1513 ASSERT(Srb->DataTransferLength); 1514 } 1515 1516 SrbData->CompletedRequests = DeviceExtension->InterruptData.CompletedRequests; 1517 DeviceExtension->InterruptData.CompletedRequests = SrbData; 1518 } 1519 } 1520 break; 1521 1522 case NextRequest: 1523 DPRINT("Notify: NextRequest\n"); 1524 DeviceExtension->InterruptData.Flags |= SCSI_PORT_NEXT_REQUEST_READY; 1525 break; 1526 1527 case NextLuRequest: 1528 { 1529 UCHAR PathId; 1530 UCHAR TargetId; 1531 UCHAR Lun; 1532 PSCSI_PORT_LUN_EXTENSION LunExtension; 1533 1534 PathId = (UCHAR)va_arg(ap, int); 1535 TargetId = (UCHAR)va_arg(ap, int); 1536 Lun = (UCHAR)va_arg(ap, int); 1537 1538 DPRINT( 1539 "Notify: NextLuRequest(PathId %u TargetId %u Lun %u)\n", PathId, TargetId, Lun); 1540 1541 /* Mark it in the flags field */ 1542 DeviceExtension->InterruptData.Flags |= SCSI_PORT_NEXT_REQUEST_READY; 1543 1544 /* Get the LUN extension */ 1545 LunExtension = GetLunByPath(DeviceExtension, PathId, TargetId, Lun); 1546 1547 /* If returned LunExtension is NULL, break out */ 1548 if (!LunExtension) 1549 break; 1550 1551 /* This request should not be processed if */ 1552 if ((LunExtension->ReadyLun) || (LunExtension->SrbInfo.Srb)) 1553 { 1554 /* Nothing to do here */ 1555 break; 1556 } 1557 1558 /* Add this LUN to the list */ 1559 LunExtension->ReadyLun = DeviceExtension->InterruptData.ReadyLun; 1560 DeviceExtension->InterruptData.ReadyLun = LunExtension; 1561 } 1562 break; 1563 1564 case ResetDetected: 1565 DPRINT("Notify: ResetDetected\n"); 1566 /* Add RESET flags */ 1567 DeviceExtension->InterruptData.Flags |= SCSI_PORT_RESET | SCSI_PORT_RESET_REPORTED; 1568 break; 1569 1570 case CallDisableInterrupts: 1571 DPRINT1("UNIMPLEMENTED SCSI Notification called: CallDisableInterrupts!\n"); 1572 break; 1573 1574 case CallEnableInterrupts: 1575 DPRINT1("UNIMPLEMENTED SCSI Notification called: CallEnableInterrupts!\n"); 1576 break; 1577 1578 case RequestTimerCall: 1579 DPRINT("Notify: RequestTimerCall\n"); 1580 DeviceExtension->InterruptData.Flags |= SCSI_PORT_TIMER_NEEDED; 1581 DeviceExtension->InterruptData.HwScsiTimer = (PHW_TIMER)va_arg(ap, PHW_TIMER); 1582 DeviceExtension->InterruptData.MiniportTimerValue = (ULONG)va_arg(ap, ULONG); 1583 break; 1584 1585 case BusChangeDetected: 1586 DPRINT1("UNIMPLEMENTED SCSI Notification called: BusChangeDetected!\n"); 1587 break; 1588 1589 default: 1590 DPRINT1("Unsupported notification from WMI: %lu\n", NotificationType); 1591 break; 1592 } 1593 1594 va_end(ap); 1595 1596 /* Request a DPC after we're done with the interrupt */ 1597 DeviceExtension->InterruptData.Flags |= SCSI_PORT_NOTIFICATION_NEEDED; 1598 } 1599 1600 /* 1601 * @implemented 1602 */ 1603 BOOLEAN NTAPI 1604 ScsiPortValidateRange(IN PVOID HwDeviceExtension, 1605 IN INTERFACE_TYPE BusType, 1606 IN ULONG SystemIoBusNumber, 1607 IN SCSI_PHYSICAL_ADDRESS IoAddress, 1608 IN ULONG NumberOfBytes, 1609 IN BOOLEAN InIoSpace) 1610 { 1611 DPRINT("ScsiPortValidateRange()\n"); 1612 return(TRUE); 1613 } 1614 1615 1616 /* INTERNAL FUNCTIONS ********************************************************/ 1617 1618 static VOID 1619 SpiResourceToConfig(IN PHW_INITIALIZATION_DATA HwInitializationData, 1620 IN PCM_FULL_RESOURCE_DESCRIPTOR ResourceDescriptor, 1621 IN PPORT_CONFIGURATION_INFORMATION PortConfig) 1622 { 1623 PACCESS_RANGE AccessRange; 1624 PCM_PARTIAL_RESOURCE_DESCRIPTOR PartialData; 1625 ULONG RangeNumber; 1626 ULONG Index; 1627 ULONG Interrupt = 0; 1628 ULONG Dma = 0; 1629 1630 RangeNumber = 0; 1631 1632 /* Loop through all entries */ 1633 for (Index = 0; Index < ResourceDescriptor->PartialResourceList.Count; Index++) 1634 { 1635 PartialData = &ResourceDescriptor->PartialResourceList.PartialDescriptors[Index]; 1636 1637 switch (PartialData->Type) 1638 { 1639 case CmResourceTypePort: 1640 /* Copy access ranges */ 1641 if (RangeNumber < HwInitializationData->NumberOfAccessRanges) 1642 { 1643 AccessRange = &((*(PortConfig->AccessRanges))[RangeNumber]); 1644 1645 AccessRange->RangeStart = PartialData->u.Port.Start; 1646 AccessRange->RangeLength = PartialData->u.Port.Length; 1647 1648 AccessRange->RangeInMemory = FALSE; 1649 RangeNumber++; 1650 } 1651 break; 1652 1653 case CmResourceTypeMemory: 1654 /* Copy access ranges */ 1655 if (RangeNumber < HwInitializationData->NumberOfAccessRanges) 1656 { 1657 AccessRange = &((*(PortConfig->AccessRanges))[RangeNumber]); 1658 1659 AccessRange->RangeStart = PartialData->u.Memory.Start; 1660 AccessRange->RangeLength = PartialData->u.Memory.Length; 1661 1662 AccessRange->RangeInMemory = TRUE; 1663 RangeNumber++; 1664 } 1665 break; 1666 1667 case CmResourceTypeInterrupt: 1668 1669 if (Interrupt == 0) 1670 { 1671 /* Copy interrupt data */ 1672 PortConfig->BusInterruptLevel = PartialData->u.Interrupt.Level; 1673 PortConfig->BusInterruptVector = PartialData->u.Interrupt.Vector; 1674 1675 /* Set interrupt mode accordingly to the resource */ 1676 if (PartialData->Flags == CM_RESOURCE_INTERRUPT_LATCHED) 1677 { 1678 PortConfig->InterruptMode = Latched; 1679 } 1680 else if (PartialData->Flags == CM_RESOURCE_INTERRUPT_LEVEL_SENSITIVE) 1681 { 1682 PortConfig->InterruptMode = LevelSensitive; 1683 } 1684 } 1685 else if (Interrupt == 1) 1686 { 1687 /* Copy interrupt data */ 1688 PortConfig->BusInterruptLevel2 = PartialData->u.Interrupt.Level; 1689 PortConfig->BusInterruptVector2 = PartialData->u.Interrupt.Vector; 1690 1691 /* Set interrupt mode accordingly to the resource */ 1692 if (PartialData->Flags == CM_RESOURCE_INTERRUPT_LATCHED) 1693 { 1694 PortConfig->InterruptMode2 = Latched; 1695 } 1696 else if (PartialData->Flags == CM_RESOURCE_INTERRUPT_LEVEL_SENSITIVE) 1697 { 1698 PortConfig->InterruptMode2 = LevelSensitive; 1699 } 1700 } 1701 1702 Interrupt++; 1703 break; 1704 1705 case CmResourceTypeDma: 1706 1707 if (Dma == 0) 1708 { 1709 PortConfig->DmaChannel = PartialData->u.Dma.Channel; 1710 PortConfig->DmaPort = PartialData->u.Dma.Port; 1711 1712 if (PartialData->Flags & CM_RESOURCE_DMA_8) 1713 PortConfig->DmaWidth = Width8Bits; 1714 else if ((PartialData->Flags & CM_RESOURCE_DMA_16) || 1715 (PartialData->Flags & CM_RESOURCE_DMA_8_AND_16)) //??? 1716 PortConfig->DmaWidth = Width16Bits; 1717 else if (PartialData->Flags & CM_RESOURCE_DMA_32) 1718 PortConfig->DmaWidth = Width32Bits; 1719 } 1720 else if (Dma == 1) 1721 { 1722 PortConfig->DmaChannel2 = PartialData->u.Dma.Channel; 1723 PortConfig->DmaPort2 = PartialData->u.Dma.Port; 1724 1725 if (PartialData->Flags & CM_RESOURCE_DMA_8) 1726 PortConfig->DmaWidth2 = Width8Bits; 1727 else if ((PartialData->Flags & CM_RESOURCE_DMA_16) || 1728 (PartialData->Flags & CM_RESOURCE_DMA_8_AND_16)) //??? 1729 PortConfig->DmaWidth2 = Width16Bits; 1730 else if (PartialData->Flags & CM_RESOURCE_DMA_32) 1731 PortConfig->DmaWidth2 = Width32Bits; 1732 } 1733 break; 1734 } 1735 } 1736 } 1737 1738 static PCM_RESOURCE_LIST 1739 SpiConfigToResource(PSCSI_PORT_DEVICE_EXTENSION DeviceExtension, 1740 PPORT_CONFIGURATION_INFORMATION PortConfig) 1741 { 1742 PCONFIGURATION_INFORMATION ConfigInfo; 1743 PCM_RESOURCE_LIST ResourceList; 1744 PCM_PARTIAL_RESOURCE_DESCRIPTOR ResourceDescriptor; 1745 PACCESS_RANGE AccessRange; 1746 ULONG ListLength = 0, i, FullSize; 1747 ULONG Interrupt, Dma; 1748 1749 /* Get current Atdisk usage from the system */ 1750 ConfigInfo = IoGetConfigurationInformation(); 1751 1752 if (PortConfig->AtdiskPrimaryClaimed) 1753 ConfigInfo->AtDiskPrimaryAddressClaimed = TRUE; 1754 1755 if (PortConfig->AtdiskSecondaryClaimed) 1756 ConfigInfo->AtDiskSecondaryAddressClaimed = TRUE; 1757 1758 /* Do we use DMA? */ 1759 if (PortConfig->DmaChannel != SP_UNINITIALIZED_VALUE || 1760 PortConfig->DmaPort != SP_UNINITIALIZED_VALUE) 1761 { 1762 Dma = 1; 1763 1764 if (PortConfig->DmaChannel2 != SP_UNINITIALIZED_VALUE || 1765 PortConfig->DmaPort2 != SP_UNINITIALIZED_VALUE) 1766 Dma++; 1767 } 1768 else 1769 { 1770 Dma = 0; 1771 } 1772 ListLength += Dma; 1773 1774 /* How many interrupts to we have? */ 1775 Interrupt = DeviceExtension->InterruptCount; 1776 ListLength += Interrupt; 1777 1778 /* How many access ranges do we use? */ 1779 AccessRange = &((*(PortConfig->AccessRanges))[0]); 1780 for (i = 0; i < PortConfig->NumberOfAccessRanges; i++) 1781 { 1782 if (AccessRange->RangeLength != 0) 1783 ListLength++; 1784 1785 AccessRange++; 1786 } 1787 1788 /* Allocate the resource list, since we know its size now */ 1789 FullSize = sizeof(CM_RESOURCE_LIST) + (ListLength - 1) * 1790 sizeof(CM_PARTIAL_RESOURCE_DESCRIPTOR); 1791 1792 ResourceList = (PCM_RESOURCE_LIST)ExAllocatePoolWithTag(PagedPool, FullSize, TAG_SCSIPORT); 1793 1794 if (!ResourceList) 1795 return NULL; 1796 1797 /* Zero it */ 1798 RtlZeroMemory(ResourceList, FullSize); 1799 1800 /* Initialize it */ 1801 ResourceList->Count = 1; 1802 ResourceList->List[0].InterfaceType = PortConfig->AdapterInterfaceType; 1803 ResourceList->List[0].BusNumber = PortConfig->SystemIoBusNumber; 1804 ResourceList->List[0].PartialResourceList.Count = ListLength; 1805 ResourceDescriptor = ResourceList->List[0].PartialResourceList.PartialDescriptors; 1806 1807 /* Copy access ranges array over */ 1808 for (i = 0; i < PortConfig->NumberOfAccessRanges; i++) 1809 { 1810 AccessRange = &((*(PortConfig->AccessRanges))[i]); 1811 1812 /* If the range is empty - skip it */ 1813 if (AccessRange->RangeLength == 0) 1814 continue; 1815 1816 if (AccessRange->RangeInMemory) 1817 { 1818 ResourceDescriptor->Type = CmResourceTypeMemory; 1819 ResourceDescriptor->Flags = CM_RESOURCE_MEMORY_READ_WRITE; 1820 } 1821 else 1822 { 1823 ResourceDescriptor->Type = CmResourceTypePort; 1824 ResourceDescriptor->Flags = CM_RESOURCE_PORT_IO; 1825 } 1826 1827 ResourceDescriptor->ShareDisposition = CmResourceShareDeviceExclusive; 1828 1829 ResourceDescriptor->u.Memory.Start = AccessRange->RangeStart; 1830 ResourceDescriptor->u.Memory.Length = AccessRange->RangeLength; 1831 1832 ResourceDescriptor++; 1833 } 1834 1835 /* If we use interrupt(s), copy them */ 1836 while (Interrupt) 1837 { 1838 ResourceDescriptor->Type = CmResourceTypeInterrupt; 1839 1840 if (PortConfig->AdapterInterfaceType == MicroChannel || 1841 ((Interrupt == 2) ? PortConfig->InterruptMode2 : PortConfig->InterruptMode) == LevelSensitive) 1842 { 1843 ResourceDescriptor->ShareDisposition = CmResourceShareShared; 1844 ResourceDescriptor->Flags = CM_RESOURCE_INTERRUPT_LEVEL_SENSITIVE; 1845 } 1846 else 1847 { 1848 ResourceDescriptor->ShareDisposition = CmResourceShareDeviceExclusive; 1849 ResourceDescriptor->Flags = CM_RESOURCE_INTERRUPT_LATCHED; 1850 } 1851 1852 ResourceDescriptor->u.Interrupt.Level = (Interrupt == 2) ? PortConfig->BusInterruptLevel2 : PortConfig->BusInterruptLevel; 1853 ResourceDescriptor->u.Interrupt.Vector = (Interrupt == 2) ? PortConfig->BusInterruptVector2 : PortConfig->BusInterruptVector; 1854 ResourceDescriptor->u.Interrupt.Affinity = 0; 1855 1856 ResourceDescriptor++; 1857 Interrupt--; 1858 } 1859 1860 /* Copy DMA data */ 1861 while (Dma) 1862 { 1863 ResourceDescriptor->Type = CmResourceTypeDma; 1864 ResourceDescriptor->ShareDisposition = CmResourceShareDeviceExclusive; 1865 ResourceDescriptor->u.Dma.Channel = (Dma == 2) ? PortConfig->DmaChannel2 : PortConfig->DmaChannel; 1866 ResourceDescriptor->u.Dma.Port = (Dma == 2) ? PortConfig->DmaPort2 : PortConfig->DmaPort; 1867 ResourceDescriptor->Flags = 0; 1868 1869 if (((Dma == 2) ? PortConfig->DmaWidth2 : PortConfig->DmaWidth) == Width8Bits) 1870 ResourceDescriptor->Flags |= CM_RESOURCE_DMA_8; 1871 else if (((Dma == 2) ? PortConfig->DmaWidth2 : PortConfig->DmaWidth) == Width16Bits) 1872 ResourceDescriptor->Flags |= CM_RESOURCE_DMA_16; 1873 else 1874 ResourceDescriptor->Flags |= CM_RESOURCE_DMA_32; 1875 1876 if (((Dma == 2) ? PortConfig->DmaChannel2 : PortConfig->DmaChannel) == SP_UNINITIALIZED_VALUE) 1877 ResourceDescriptor->u.Dma.Channel = 0; 1878 1879 if (((Dma == 2) ? PortConfig->DmaPort2 : PortConfig->DmaPort) == SP_UNINITIALIZED_VALUE) 1880 ResourceDescriptor->u.Dma.Port = 0; 1881 1882 ResourceDescriptor++; 1883 Dma--; 1884 } 1885 1886 return ResourceList; 1887 } 1888 1889 1890 static BOOLEAN 1891 SpiGetPciConfigData(IN PDRIVER_OBJECT DriverObject, 1892 IN PDEVICE_OBJECT DeviceObject, 1893 IN struct _HW_INITIALIZATION_DATA *HwInitializationData, 1894 IN OUT PPORT_CONFIGURATION_INFORMATION PortConfig, 1895 IN PUNICODE_STRING RegistryPath, 1896 IN ULONG BusNumber, 1897 IN OUT PPCI_SLOT_NUMBER NextSlotNumber) 1898 { 1899 PCI_COMMON_CONFIG PciConfig; 1900 PCI_SLOT_NUMBER SlotNumber; 1901 ULONG DataSize; 1902 ULONG DeviceNumber; 1903 ULONG FunctionNumber; 1904 CHAR VendorIdString[8]; 1905 CHAR DeviceIdString[8]; 1906 UNICODE_STRING UnicodeStr; 1907 PCM_RESOURCE_LIST ResourceList = NULL; 1908 NTSTATUS Status; 1909 1910 DPRINT ("SpiGetPciConfiguration() called\n"); 1911 1912 SlotNumber.u.AsULONG = 0; 1913 1914 /* Loop through all devices */ 1915 for (DeviceNumber = NextSlotNumber->u.bits.DeviceNumber; DeviceNumber < PCI_MAX_DEVICES; DeviceNumber++) 1916 { 1917 SlotNumber.u.bits.DeviceNumber = DeviceNumber; 1918 1919 /* Loop through all functions */ 1920 for (FunctionNumber = NextSlotNumber->u.bits.FunctionNumber; FunctionNumber < PCI_MAX_FUNCTION; FunctionNumber++) 1921 { 1922 SlotNumber.u.bits.FunctionNumber = FunctionNumber; 1923 1924 /* Get PCI config bytes */ 1925 DataSize = HalGetBusData(PCIConfiguration, 1926 BusNumber, 1927 SlotNumber.u.AsULONG, 1928 &PciConfig, 1929 sizeof(ULONG)); 1930 1931 /* If result of HalGetBusData is 0, then the bus is wrong */ 1932 if (DataSize == 0) 1933 return FALSE; 1934 1935 /* Check if result is PCI_INVALID_VENDORID or too small */ 1936 if ((DataSize < sizeof(ULONG)) || 1937 (PciConfig.VendorID == PCI_INVALID_VENDORID)) 1938 { 1939 /* Continue to try the next function */ 1940 continue; 1941 } 1942 1943 sprintf (VendorIdString, "%04hx", PciConfig.VendorID); 1944 sprintf (DeviceIdString, "%04hx", PciConfig.DeviceID); 1945 1946 if (_strnicmp(VendorIdString, HwInitializationData->VendorId, HwInitializationData->VendorIdLength) || 1947 _strnicmp(DeviceIdString, HwInitializationData->DeviceId, HwInitializationData->DeviceIdLength)) 1948 { 1949 /* It is not our device */ 1950 continue; 1951 } 1952 1953 DPRINT("Found device 0x%04hx 0x%04hx at %1lu %2lu %1lu\n", 1954 PciConfig.VendorID, 1955 PciConfig.DeviceID, 1956 BusNumber, 1957 SlotNumber.u.bits.DeviceNumber, 1958 SlotNumber.u.bits.FunctionNumber); 1959 1960 1961 RtlInitUnicodeString(&UnicodeStr, L"ScsiAdapter"); 1962 Status = HalAssignSlotResources(RegistryPath, 1963 &UnicodeStr, 1964 DriverObject, 1965 DeviceObject, 1966 PCIBus, 1967 BusNumber, 1968 SlotNumber.u.AsULONG, 1969 &ResourceList); 1970 1971 if (!NT_SUCCESS(Status)) 1972 break; 1973 1974 /* Create configuration information */ 1975 SpiResourceToConfig(HwInitializationData, 1976 ResourceList->List, 1977 PortConfig); 1978 1979 /* Free the resource list */ 1980 ExFreePool(ResourceList); 1981 1982 /* Set dev & fn numbers */ 1983 NextSlotNumber->u.bits.DeviceNumber = DeviceNumber; 1984 NextSlotNumber->u.bits.FunctionNumber = FunctionNumber + 1; 1985 1986 /* Save the slot number */ 1987 PortConfig->SlotNumber = SlotNumber.u.AsULONG; 1988 1989 return TRUE; 1990 } 1991 NextSlotNumber->u.bits.FunctionNumber = 0; 1992 } 1993 1994 NextSlotNumber->u.bits.DeviceNumber = 0; 1995 DPRINT ("No device found\n"); 1996 1997 return FALSE; 1998 } 1999 2000 2001 2002 /********************************************************************** 2003 * NAME INTERNAL 2004 * ScsiPortCreateClose 2005 * 2006 * DESCRIPTION 2007 * Answer requests for Create/Close calls: a null operation. 2008 * 2009 * RUN LEVEL 2010 * PASSIVE_LEVEL 2011 * 2012 * ARGUMENTS 2013 * DeviceObject 2014 * Pointer to a device object. 2015 * 2016 * Irp 2017 * Pointer to an IRP. 2018 * 2019 * RETURN VALUE 2020 * Status. 2021 */ 2022 2023 static NTSTATUS NTAPI 2024 ScsiPortCreateClose(IN PDEVICE_OBJECT DeviceObject, 2025 IN PIRP Irp) 2026 { 2027 DPRINT("ScsiPortCreateClose()\n"); 2028 2029 Irp->IoStatus.Status = STATUS_SUCCESS; 2030 IoCompleteRequest(Irp, IO_NO_INCREMENT); 2031 2032 return STATUS_SUCCESS; 2033 } 2034 2035 IO_ALLOCATION_ACTION 2036 NTAPI 2037 SpiAdapterControl(PDEVICE_OBJECT DeviceObject, 2038 PIRP Irp, 2039 PVOID MapRegisterBase, 2040 PVOID Context) 2041 { 2042 PSCSI_REQUEST_BLOCK Srb; 2043 PSCSI_SG_ADDRESS ScatterGatherList; 2044 KIRQL CurrentIrql; 2045 PIO_STACK_LOCATION IrpStack; 2046 ULONG TotalLength = 0; 2047 PSCSI_REQUEST_BLOCK_INFO SrbInfo; 2048 PSCSI_PORT_DEVICE_EXTENSION DeviceExtension; 2049 PUCHAR DataVA; 2050 BOOLEAN WriteToDevice; 2051 2052 /* Get pointers to SrbInfo and DeviceExtension */ 2053 SrbInfo = (PSCSI_REQUEST_BLOCK_INFO)Context; 2054 DeviceExtension = DeviceObject->DeviceExtension; 2055 2056 /* Get pointer to SRB */ 2057 IrpStack = IoGetCurrentIrpStackLocation(Irp); 2058 Srb = (PSCSI_REQUEST_BLOCK)IrpStack->Parameters.Others.Argument1; 2059 2060 /* Depending on the map registers number, we allocate 2061 either from NonPagedPool, or from our static list */ 2062 if (SrbInfo->NumberOfMapRegisters > MAX_SG_LIST) 2063 { 2064 SrbInfo->ScatterGather = ExAllocatePoolWithTag( 2065 NonPagedPool, SrbInfo->NumberOfMapRegisters * sizeof(SCSI_SG_ADDRESS), TAG_SCSIPORT); 2066 2067 if (SrbInfo->ScatterGather == NULL) 2068 ASSERT(FALSE); 2069 2070 Srb->SrbFlags |= SRB_FLAGS_SGLIST_FROM_POOL; 2071 } 2072 else 2073 { 2074 SrbInfo->ScatterGather = SrbInfo->ScatterGatherList; 2075 } 2076 2077 /* Use chosen SG list source */ 2078 ScatterGatherList = SrbInfo->ScatterGather; 2079 2080 /* Save map registers base */ 2081 SrbInfo->BaseOfMapRegister = MapRegisterBase; 2082 2083 /* Determine WriteToDevice flag */ 2084 WriteToDevice = Srb->SrbFlags & SRB_FLAGS_DATA_OUT ? TRUE : FALSE; 2085 2086 /* Get virtual address of the data buffer */ 2087 DataVA = (PUCHAR)MmGetMdlVirtualAddress(Irp->MdlAddress) + 2088 ((PCHAR)Srb->DataBuffer - SrbInfo->DataOffset); 2089 2090 /* Build the actual SG list */ 2091 while (TotalLength < Srb->DataTransferLength) 2092 { 2093 if (!ScatterGatherList) 2094 break; 2095 2096 ScatterGatherList->Length = Srb->DataTransferLength - TotalLength; 2097 ScatterGatherList->PhysicalAddress = IoMapTransfer(DeviceExtension->AdapterObject, 2098 Irp->MdlAddress, 2099 MapRegisterBase, 2100 DataVA + TotalLength, 2101 &ScatterGatherList->Length, 2102 WriteToDevice); 2103 2104 TotalLength += ScatterGatherList->Length; 2105 ScatterGatherList++; 2106 } 2107 2108 /* Schedule an active request */ 2109 InterlockedIncrement(&DeviceExtension->ActiveRequestCounter ); 2110 KeAcquireSpinLock(&DeviceExtension->SpinLock, &CurrentIrql); 2111 KeSynchronizeExecution(DeviceExtension->Interrupt[0], 2112 ScsiPortStartPacket, 2113 DeviceObject); 2114 KeReleaseSpinLock(&DeviceExtension->SpinLock, CurrentIrql); 2115 2116 return DeallocateObjectKeepRegisters; 2117 } 2118 2119 BOOLEAN 2120 NTAPI 2121 ScsiPortIsr( 2122 _In_ PKINTERRUPT Interrupt, 2123 _In_ PVOID ServiceContext) 2124 { 2125 PSCSI_PORT_DEVICE_EXTENSION DeviceExtension; 2126 2127 DPRINT("ScsiPortIsr() called!\n"); 2128 2129 DeviceExtension = (PSCSI_PORT_DEVICE_EXTENSION)ServiceContext; 2130 2131 /* If interrupts are disabled - we don't expect any */ 2132 if (DeviceExtension->InterruptData.Flags & SCSI_PORT_DISABLE_INTERRUPTS) 2133 return FALSE; 2134 2135 /* Call miniport's HwInterrupt routine */ 2136 if (DeviceExtension->HwInterrupt(&DeviceExtension->MiniPortDeviceExtension) == FALSE) 2137 { 2138 /* This interrupt doesn't belong to us */ 2139 return FALSE; 2140 } 2141 2142 /* If flag of notification is set - queue a DPC */ 2143 if (DeviceExtension->InterruptData.Flags & SCSI_PORT_NOTIFICATION_NEEDED) 2144 { 2145 IoRequestDpc(DeviceExtension->Common.DeviceObject, 2146 DeviceExtension->CurrentIrp, 2147 DeviceExtension); 2148 } 2149 2150 return TRUE; 2151 } 2152 2153 BOOLEAN 2154 NTAPI 2155 SpiProcessTimeout(PVOID ServiceContext) 2156 { 2157 PDEVICE_OBJECT DeviceObject = (PDEVICE_OBJECT)ServiceContext; 2158 PSCSI_PORT_DEVICE_EXTENSION DeviceExtension = DeviceObject->DeviceExtension; 2159 ULONG Bus; 2160 2161 DPRINT("SpiProcessTimeout() entered\n"); 2162 2163 DeviceExtension->TimerCount = -1; 2164 2165 if (DeviceExtension->InterruptData.Flags & SCSI_PORT_RESET) 2166 { 2167 DeviceExtension->InterruptData.Flags &= ~SCSI_PORT_RESET; 2168 2169 if (DeviceExtension->InterruptData.Flags & SCSI_PORT_RESET_REQUEST) 2170 { 2171 DeviceExtension->InterruptData.Flags &= ~SCSI_PORT_RESET_REQUEST; 2172 ScsiPortStartPacket(ServiceContext); 2173 } 2174 2175 return FALSE; 2176 } 2177 else 2178 { 2179 DPRINT("Resetting the bus\n"); 2180 2181 for (Bus = 0; Bus < DeviceExtension->NumberOfBuses; Bus++) 2182 { 2183 DeviceExtension->HwResetBus(DeviceExtension->MiniPortDeviceExtension, Bus); 2184 2185 /* Reset flags and set reset timeout to 4 seconds */ 2186 DeviceExtension->InterruptData.Flags |= SCSI_PORT_RESET; 2187 DeviceExtension->TimerCount = 4; 2188 } 2189 2190 /* If miniport requested - request a dpc for it */ 2191 if (DeviceExtension->InterruptData.Flags & SCSI_PORT_NOTIFICATION_NEEDED) 2192 IoRequestDpc(DeviceExtension->Common.DeviceObject, NULL, NULL); 2193 } 2194 2195 return TRUE; 2196 } 2197 2198 2199 BOOLEAN 2200 NTAPI 2201 SpiResetBus(PVOID ServiceContext) 2202 { 2203 PRESETBUS_PARAMS ResetParams = (PRESETBUS_PARAMS)ServiceContext; 2204 PSCSI_PORT_DEVICE_EXTENSION DeviceExtension; 2205 2206 /* Perform the bus reset */ 2207 DeviceExtension = (PSCSI_PORT_DEVICE_EXTENSION)ResetParams->DeviceExtension; 2208 DeviceExtension->HwResetBus(DeviceExtension->MiniPortDeviceExtension, 2209 ResetParams->PathId); 2210 2211 /* Set flags and start the timer */ 2212 DeviceExtension->InterruptData.Flags |= SCSI_PORT_RESET; 2213 DeviceExtension->TimerCount = 4; 2214 2215 /* If miniport requested - give him a DPC */ 2216 if (DeviceExtension->InterruptData.Flags & SCSI_PORT_NOTIFICATION_NEEDED) 2217 IoRequestDpc(DeviceExtension->Common.DeviceObject, NULL, NULL); 2218 2219 return TRUE; 2220 } 2221 2222 // ScsiPortIoTimer 2223 // DESCRIPTION: 2224 // This function handles timeouts and other time delayed processing 2225 // 2226 // RUN LEVEL: 2227 // 2228 // ARGUMENTS: 2229 // IN PDEVICE_OBJECT DeviceObject Device object registered with timer 2230 // IN PVOID Context the Controller extension for the 2231 // controller the device is on 2232 // 2233 static VOID NTAPI 2234 ScsiPortIoTimer(PDEVICE_OBJECT DeviceObject, 2235 PVOID Context) 2236 { 2237 PSCSI_PORT_DEVICE_EXTENSION DeviceExtension; 2238 PSCSI_PORT_LUN_EXTENSION LunExtension; 2239 PIRP Irp; 2240 2241 DPRINT("ScsiPortIoTimer()\n"); 2242 2243 DeviceExtension = (PSCSI_PORT_DEVICE_EXTENSION)DeviceObject->DeviceExtension; 2244 2245 /* Protect with the spinlock */ 2246 KeAcquireSpinLockAtDpcLevel(&DeviceExtension->SpinLock); 2247 2248 /* Check timeouts */ 2249 if (DeviceExtension->TimerCount > 0) 2250 { 2251 /* Decrease the timeout counter */ 2252 DeviceExtension->TimerCount--; 2253 2254 if (DeviceExtension->TimerCount == 0) 2255 { 2256 /* Timeout, process it */ 2257 if (KeSynchronizeExecution(DeviceExtension->Interrupt[0], 2258 SpiProcessTimeout, 2259 DeviceExtension->Common.DeviceObject)) 2260 { 2261 DPRINT("Error happened during processing timeout, but nothing critical\n"); 2262 } 2263 } 2264 2265 KeReleaseSpinLockFromDpcLevel(&DeviceExtension->SpinLock); 2266 2267 /* We should exit now, since timeout is processed */ 2268 return; 2269 } 2270 2271 /* Per-Lun scanning of timeouts is needed... */ 2272 for (UINT8 pathId = 0; pathId < DeviceExtension->NumberOfBuses; pathId++) 2273 { 2274 PSCSI_BUS_INFO bus = &DeviceExtension->Buses[pathId]; 2275 2276 for (PLIST_ENTRY lunEntry = bus->LunsListHead.Flink; 2277 lunEntry != &bus->LunsListHead; 2278 lunEntry = lunEntry->Flink) 2279 { 2280 LunExtension = CONTAINING_RECORD(lunEntry, SCSI_PORT_LUN_EXTENSION, LunEntry); 2281 2282 if (LunExtension->Flags & LUNEX_BUSY) 2283 { 2284 if (!(LunExtension->Flags & 2285 (LUNEX_NEED_REQUEST_SENSE | LUNEX_FROZEN_QUEUE))) 2286 { 2287 DPRINT("Retrying busy request\n"); 2288 2289 /* Clear flags, and retry busy request */ 2290 LunExtension->Flags &= ~(LUNEX_BUSY | LUNEX_FULL_QUEUE); 2291 Irp = LunExtension->BusyRequest; 2292 2293 /* Clearing busy request */ 2294 LunExtension->BusyRequest = NULL; 2295 2296 KeReleaseSpinLockFromDpcLevel(&DeviceExtension->SpinLock); 2297 2298 IoStartPacket(DeviceObject, Irp, (PULONG)NULL, NULL); 2299 2300 KeAcquireSpinLockAtDpcLevel(&DeviceExtension->SpinLock); 2301 } 2302 } 2303 else if (LunExtension->RequestTimeout == 0) 2304 { 2305 RESETBUS_PARAMS ResetParams; 2306 2307 LunExtension->RequestTimeout = -1; 2308 2309 DPRINT("Request timed out, resetting bus\n"); 2310 2311 /* Pass params to the bus reset routine */ 2312 ResetParams.PathId = LunExtension->PathId; 2313 ResetParams.DeviceExtension = DeviceExtension; 2314 2315 if (!KeSynchronizeExecution(DeviceExtension->Interrupt[0], 2316 SpiResetBus, 2317 &ResetParams)) 2318 { 2319 DPRINT1("Reset failed\n"); 2320 } 2321 } 2322 else if (LunExtension->RequestTimeout > 0) 2323 { 2324 /* Decrement the timeout counter */ 2325 LunExtension->RequestTimeout--; 2326 } 2327 } 2328 } 2329 2330 /* Release the spinlock */ 2331 KeReleaseSpinLockFromDpcLevel(&DeviceExtension->SpinLock); 2332 } 2333 2334 VOID 2335 NTAPI 2336 SpiMiniportTimerDpc(IN struct _KDPC *Dpc, 2337 IN PVOID DeviceObject, 2338 IN PVOID SystemArgument1, 2339 IN PVOID SystemArgument2) 2340 { 2341 PSCSI_PORT_DEVICE_EXTENSION DeviceExtension; 2342 2343 DPRINT("Miniport timer DPC\n"); 2344 2345 DeviceExtension = ((PDEVICE_OBJECT)DeviceObject)->DeviceExtension; 2346 2347 /* Acquire the spinlock */ 2348 KeAcquireSpinLockAtDpcLevel(&DeviceExtension->SpinLock); 2349 2350 /* Call the timer routine */ 2351 if (DeviceExtension->HwScsiTimer != NULL) 2352 { 2353 DeviceExtension->HwScsiTimer(&DeviceExtension->MiniPortDeviceExtension); 2354 } 2355 2356 /* Release the spinlock */ 2357 KeReleaseSpinLockFromDpcLevel(&DeviceExtension->SpinLock); 2358 2359 if (DeviceExtension->InterruptData.Flags & SCSI_PORT_NOTIFICATION_NEEDED) 2360 { 2361 ScsiPortDpcForIsr(NULL, 2362 DeviceExtension->Common.DeviceObject, 2363 NULL, 2364 NULL); 2365 } 2366 } 2367 2368 static NTSTATUS 2369 SpiCreatePortConfig(PSCSI_PORT_DEVICE_EXTENSION DeviceExtension, 2370 PHW_INITIALIZATION_DATA HwInitData, 2371 PCONFIGURATION_INFO InternalConfigInfo, 2372 PPORT_CONFIGURATION_INFORMATION ConfigInfo, 2373 BOOLEAN ZeroStruct) 2374 { 2375 UNICODE_STRING UnicodeString; 2376 OBJECT_ATTRIBUTES ObjectAttributes; 2377 PCONFIGURATION_INFORMATION DdkConfigInformation; 2378 HANDLE RootKey, Key; 2379 BOOLEAN Found; 2380 WCHAR DeviceBuffer[16]; 2381 WCHAR StrBuffer[512]; 2382 ULONG Bus; 2383 NTSTATUS Status; 2384 2385 /* Zero out the struct if told so */ 2386 if (ZeroStruct) 2387 { 2388 /* First zero the portconfig */ 2389 RtlZeroMemory(ConfigInfo, sizeof(PORT_CONFIGURATION_INFORMATION)); 2390 2391 /* Then access ranges */ 2392 RtlZeroMemory(InternalConfigInfo->AccessRanges, 2393 HwInitData->NumberOfAccessRanges * sizeof(ACCESS_RANGE)); 2394 2395 /* Initialize the struct */ 2396 ConfigInfo->Length = sizeof(PORT_CONFIGURATION_INFORMATION); 2397 ConfigInfo->AdapterInterfaceType = HwInitData->AdapterInterfaceType; 2398 ConfigInfo->InterruptMode = Latched; 2399 ConfigInfo->DmaChannel = SP_UNINITIALIZED_VALUE; 2400 ConfigInfo->DmaPort = SP_UNINITIALIZED_VALUE; 2401 ConfigInfo->DmaChannel2 = SP_UNINITIALIZED_VALUE; 2402 ConfigInfo->DmaPort2 = SP_UNINITIALIZED_VALUE; 2403 ConfigInfo->MaximumTransferLength = SP_UNINITIALIZED_VALUE; 2404 ConfigInfo->NumberOfAccessRanges = HwInitData->NumberOfAccessRanges; 2405 ConfigInfo->MaximumNumberOfTargets = SCSI_MAXIMUM_TARGETS; // NOTE: Using legacy value. 2406 2407 /* Store parameters */ 2408 ConfigInfo->NeedPhysicalAddresses = HwInitData->NeedPhysicalAddresses; 2409 ConfigInfo->MapBuffers = HwInitData->MapBuffers; 2410 ConfigInfo->AutoRequestSense = HwInitData->AutoRequestSense; 2411 ConfigInfo->ReceiveEvent = HwInitData->ReceiveEvent; 2412 ConfigInfo->TaggedQueuing = HwInitData->TaggedQueuing; 2413 ConfigInfo->MultipleRequestPerLu = HwInitData->MultipleRequestPerLu; 2414 2415 /* Get the disk usage */ 2416 DdkConfigInformation = IoGetConfigurationInformation(); 2417 ConfigInfo->AtdiskPrimaryClaimed = DdkConfigInformation->AtDiskPrimaryAddressClaimed; 2418 ConfigInfo->AtdiskSecondaryClaimed = DdkConfigInformation->AtDiskSecondaryAddressClaimed; 2419 2420 /* Initiator bus id is not set */ 2421 for (Bus = 0; Bus < RTL_NUMBER_OF(ConfigInfo->InitiatorBusId); Bus++) 2422 { 2423 ConfigInfo->InitiatorBusId[Bus] = (CCHAR)SP_UNINITIALIZED_VALUE; 2424 } 2425 } 2426 2427 ConfigInfo->NumberOfPhysicalBreaks = 17; 2428 2429 /* Clear this information */ 2430 InternalConfigInfo->DisableTaggedQueueing = FALSE; 2431 InternalConfigInfo->DisableMultipleLun = FALSE; 2432 2433 /* Store Bus Number */ 2434 ConfigInfo->SystemIoBusNumber = InternalConfigInfo->BusNumber; 2435 2436 TryNextAd: 2437 2438 if (ConfigInfo->AdapterInterfaceType == Internal) 2439 { 2440 /* Open registry key for HW database */ 2441 InitializeObjectAttributes(&ObjectAttributes, 2442 DeviceExtension->Common.DeviceObject->DriverObject->HardwareDatabase, 2443 OBJ_CASE_INSENSITIVE | OBJ_KERNEL_HANDLE, 2444 NULL, 2445 NULL); 2446 2447 Status = ZwOpenKey(&RootKey, 2448 KEY_READ, 2449 &ObjectAttributes); 2450 2451 if (NT_SUCCESS(Status)) 2452 { 2453 /* Create name for it */ 2454 swprintf(StrBuffer, L"ScsiAdapter\\%lu", 2455 InternalConfigInfo->AdapterNumber); 2456 2457 RtlInitUnicodeString(&UnicodeString, StrBuffer); 2458 2459 /* Open device key */ 2460 InitializeObjectAttributes(&ObjectAttributes, 2461 &UnicodeString, 2462 OBJ_CASE_INSENSITIVE | OBJ_KERNEL_HANDLE, 2463 RootKey, 2464 NULL); 2465 2466 Status = ZwOpenKey(&Key, 2467 KEY_READ, 2468 &ObjectAttributes); 2469 2470 ZwClose(RootKey); 2471 2472 if (NT_SUCCESS(Status)) 2473 { 2474 if (InternalConfigInfo->LastAdapterNumber != InternalConfigInfo->AdapterNumber) 2475 { 2476 DPRINT("Hardware info found at %S\n", StrBuffer); 2477 2478 /* Parse it */ 2479 SpiParseDeviceInfo(DeviceExtension, 2480 Key, 2481 ConfigInfo, 2482 InternalConfigInfo, 2483 (PUCHAR)StrBuffer); 2484 2485 InternalConfigInfo->BusNumber = 0; 2486 } 2487 else 2488 { 2489 /* Try the next adapter */ 2490 InternalConfigInfo->AdapterNumber++; 2491 goto TryNextAd; 2492 } 2493 } 2494 else 2495 { 2496 /* Info was not found, exit */ 2497 DPRINT("ZwOpenKey() failed with Status=0x%08X\n", Status); 2498 return STATUS_DEVICE_DOES_NOT_EXIST; 2499 } 2500 } 2501 else 2502 { 2503 DPRINT1("ZwOpenKey() failed with Status=0x%08X\n", Status); 2504 } 2505 } 2506 2507 /* Look at device params */ 2508 Key = NULL; 2509 if (InternalConfigInfo->Parameter) 2510 { 2511 ExFreePool(InternalConfigInfo->Parameter); 2512 InternalConfigInfo->Parameter = NULL; 2513 } 2514 2515 if (InternalConfigInfo->ServiceKey != NULL) 2516 { 2517 swprintf(DeviceBuffer, L"Device%lu", InternalConfigInfo->AdapterNumber); 2518 RtlInitUnicodeString(&UnicodeString, DeviceBuffer); 2519 2520 /* Open the service key */ 2521 InitializeObjectAttributes(&ObjectAttributes, 2522 &UnicodeString, 2523 OBJ_CASE_INSENSITIVE | OBJ_KERNEL_HANDLE, 2524 InternalConfigInfo->ServiceKey, 2525 NULL); 2526 2527 Status = ZwOpenKey(&Key, 2528 KEY_READ, 2529 &ObjectAttributes); 2530 } 2531 2532 /* Parse device key */ 2533 if (InternalConfigInfo->DeviceKey != NULL) 2534 { 2535 SpiParseDeviceInfo(DeviceExtension, 2536 InternalConfigInfo->DeviceKey, 2537 ConfigInfo, 2538 InternalConfigInfo, 2539 (PUCHAR)StrBuffer); 2540 } 2541 2542 /* Then parse hw info */ 2543 if (Key != NULL) 2544 { 2545 if (InternalConfigInfo->LastAdapterNumber != InternalConfigInfo->AdapterNumber) 2546 { 2547 SpiParseDeviceInfo(DeviceExtension, 2548 Key, 2549 ConfigInfo, 2550 InternalConfigInfo, 2551 (PUCHAR)StrBuffer); 2552 2553 /* Close the key */ 2554 ZwClose(Key); 2555 } 2556 else 2557 { 2558 /* Adapter not found, go try the next one */ 2559 InternalConfigInfo->AdapterNumber++; 2560 2561 /* Close the key */ 2562 ZwClose(Key); 2563 2564 goto TryNextAd; 2565 } 2566 } 2567 2568 /* Update the last adapter number */ 2569 InternalConfigInfo->LastAdapterNumber = InternalConfigInfo->AdapterNumber; 2570 2571 /* Do we have this kind of bus at all? */ 2572 Found = FALSE; 2573 Status = IoQueryDeviceDescription(&HwInitData->AdapterInterfaceType, 2574 &InternalConfigInfo->BusNumber, 2575 NULL, 2576 NULL, 2577 NULL, 2578 NULL, 2579 SpQueryDeviceCallout, 2580 &Found); 2581 2582 /* This bus was not found */ 2583 if (!Found) 2584 { 2585 INTERFACE_TYPE InterfaceType = Eisa; 2586 2587 /* Check for EISA */ 2588 if (HwInitData->AdapterInterfaceType == Isa) 2589 { 2590 Status = IoQueryDeviceDescription(&InterfaceType, 2591 &InternalConfigInfo->BusNumber, 2592 NULL, 2593 NULL, 2594 NULL, 2595 NULL, 2596 SpQueryDeviceCallout, 2597 &Found); 2598 2599 /* Return respectively */ 2600 if (Found) 2601 return STATUS_SUCCESS; 2602 else 2603 return STATUS_DEVICE_DOES_NOT_EXIST; 2604 } 2605 else 2606 { 2607 return STATUS_DEVICE_DOES_NOT_EXIST; 2608 } 2609 } 2610 else 2611 { 2612 return STATUS_SUCCESS; 2613 } 2614 } 2615 2616 static VOID 2617 SpiParseDeviceInfo(IN PSCSI_PORT_DEVICE_EXTENSION DeviceExtension, 2618 IN HANDLE Key, 2619 IN PPORT_CONFIGURATION_INFORMATION ConfigInfo, 2620 IN PCONFIGURATION_INFO InternalConfigInfo, 2621 IN PUCHAR Buffer) 2622 { 2623 PKEY_VALUE_FULL_INFORMATION KeyValueInformation; 2624 PCM_FULL_RESOURCE_DESCRIPTOR FullResource; 2625 PCM_PARTIAL_RESOURCE_DESCRIPTOR PartialDescriptor; 2626 PCM_SCSI_DEVICE_DATA ScsiDeviceData; 2627 ULONG Length, Count, Dma = 0, Interrupt = 0; 2628 ULONG Index = 0, RangeCount = 0; 2629 UNICODE_STRING UnicodeString; 2630 ANSI_STRING AnsiString; 2631 NTSTATUS Status = STATUS_SUCCESS; 2632 2633 2634 KeyValueInformation = (PKEY_VALUE_FULL_INFORMATION) Buffer; 2635 2636 /* Loop through all values in the device node */ 2637 while(TRUE) 2638 { 2639 Status = ZwEnumerateValueKey(Key, 2640 Index, 2641 KeyValueFullInformation, 2642 Buffer, 2643 512, 2644 &Length); 2645 2646 if (!NT_SUCCESS(Status)) 2647 return; 2648 2649 Index++; 2650 2651 /* Length for DWORD is ok? */ 2652 if (KeyValueInformation->Type == REG_DWORD && 2653 KeyValueInformation->DataLength != sizeof(ULONG)) 2654 { 2655 continue; 2656 } 2657 2658 /* Get MaximumLogicalUnit */ 2659 if (_wcsnicmp(KeyValueInformation->Name, L"MaximumLogicalUnit", 2660 KeyValueInformation->NameLength/2) == 0) 2661 { 2662 2663 if (KeyValueInformation->Type != REG_DWORD) 2664 { 2665 DPRINT("Bad data type for MaximumLogicalUnit\n"); 2666 continue; 2667 } 2668 2669 DeviceExtension->MaxLunCount = *((PUCHAR) 2670 (Buffer + KeyValueInformation->DataOffset)); 2671 2672 /* Check / reset if needed */ 2673 if (DeviceExtension->MaxLunCount > SCSI_MAXIMUM_LOGICAL_UNITS) 2674 DeviceExtension->MaxLunCount = SCSI_MAXIMUM_LOGICAL_UNITS; 2675 2676 DPRINT("MaximumLogicalUnit = %d\n", DeviceExtension->MaxLunCount); 2677 } 2678 2679 /* Get InitiatorTargetId */ 2680 if (_wcsnicmp(KeyValueInformation->Name, L"InitiatorTargetId", 2681 KeyValueInformation->NameLength / 2) == 0) 2682 { 2683 2684 if (KeyValueInformation->Type != REG_DWORD) 2685 { 2686 DPRINT("Bad data type for InitiatorTargetId\n"); 2687 continue; 2688 } 2689 2690 ConfigInfo->InitiatorBusId[0] = *((PUCHAR) 2691 (Buffer + KeyValueInformation->DataOffset)); 2692 2693 /* Check / reset if needed */ 2694 if (ConfigInfo->InitiatorBusId[0] > ConfigInfo->MaximumNumberOfTargets - 1) 2695 ConfigInfo->InitiatorBusId[0] = (CCHAR)SP_UNINITIALIZED_VALUE; 2696 2697 DPRINT("InitiatorTargetId = %d\n", ConfigInfo->InitiatorBusId[0]); 2698 } 2699 2700 /* Get ScsiDebug */ 2701 if (_wcsnicmp(KeyValueInformation->Name, L"ScsiDebug", 2702 KeyValueInformation->NameLength/2) == 0) 2703 { 2704 DPRINT("ScsiDebug key not supported\n"); 2705 } 2706 2707 /* Check for a breakpoint */ 2708 if (_wcsnicmp(KeyValueInformation->Name, L"BreakPointOnEntry", 2709 KeyValueInformation->NameLength/2) == 0) 2710 { 2711 DPRINT1("Breakpoint on entry requested!\n"); 2712 DbgBreakPoint(); 2713 } 2714 2715 /* Get DisableSynchronousTransfers */ 2716 if (_wcsnicmp(KeyValueInformation->Name, L"DisableSynchronousTransfers", 2717 KeyValueInformation->NameLength/2) == 0) 2718 { 2719 DeviceExtension->SrbFlags |= SRB_FLAGS_DISABLE_SYNCH_TRANSFER; 2720 DPRINT("Synch transfers disabled\n"); 2721 } 2722 2723 /* Get DisableDisconnects */ 2724 if (_wcsnicmp(KeyValueInformation->Name, L"DisableDisconnects", 2725 KeyValueInformation->NameLength/2) == 0) 2726 { 2727 DeviceExtension->SrbFlags |= SRB_FLAGS_DISABLE_DISCONNECT; 2728 DPRINT("Disconnects disabled\n"); 2729 } 2730 2731 /* Get DisableTaggedQueuing */ 2732 if (_wcsnicmp(KeyValueInformation->Name, L"DisableTaggedQueuing", 2733 KeyValueInformation->NameLength/2) == 0) 2734 { 2735 InternalConfigInfo->DisableTaggedQueueing = TRUE; 2736 DPRINT("Tagged queueing disabled\n"); 2737 } 2738 2739 /* Get DisableMultipleRequests */ 2740 if (_wcsnicmp(KeyValueInformation->Name, L"DisableMultipleRequests", 2741 KeyValueInformation->NameLength/2) == 0) 2742 { 2743 InternalConfigInfo->DisableMultipleLun = TRUE; 2744 DPRINT("Multiple requests disabled\n"); 2745 } 2746 2747 /* Get DriverParameters */ 2748 if (_wcsnicmp(KeyValueInformation->Name, L"DriverParameters", 2749 KeyValueInformation->NameLength/2) == 0) 2750 { 2751 /* Skip if nothing */ 2752 if (KeyValueInformation->DataLength == 0) 2753 continue; 2754 2755 /* If there was something previously allocated - free it */ 2756 if (InternalConfigInfo->Parameter != NULL) 2757 ExFreePool(InternalConfigInfo->Parameter); 2758 2759 /* Allocate it */ 2760 InternalConfigInfo->Parameter = ExAllocatePoolWithTag(NonPagedPool, 2761 KeyValueInformation->DataLength, TAG_SCSIPORT); 2762 2763 if (InternalConfigInfo->Parameter != NULL) 2764 { 2765 if (KeyValueInformation->Type != REG_SZ) 2766 { 2767 /* Just copy */ 2768 RtlCopyMemory( 2769 InternalConfigInfo->Parameter, 2770 (PCCHAR)KeyValueInformation + KeyValueInformation->DataOffset, 2771 KeyValueInformation->DataLength); 2772 } 2773 else 2774 { 2775 /* If it's a unicode string, convert it to ansi */ 2776 UnicodeString.Length = (USHORT)KeyValueInformation->DataLength; 2777 UnicodeString.MaximumLength = (USHORT)KeyValueInformation->DataLength; 2778 UnicodeString.Buffer = 2779 (PWSTR)((PCCHAR)KeyValueInformation + KeyValueInformation->DataOffset); 2780 2781 AnsiString.Length = 0; 2782 AnsiString.MaximumLength = (USHORT)KeyValueInformation->DataLength; 2783 AnsiString.Buffer = (PCHAR)InternalConfigInfo->Parameter; 2784 2785 Status = RtlUnicodeStringToAnsiString(&AnsiString, 2786 &UnicodeString, 2787 FALSE); 2788 2789 /* In case of error, free the allocated space */ 2790 if (!NT_SUCCESS(Status)) 2791 { 2792 ExFreePool(InternalConfigInfo->Parameter); 2793 InternalConfigInfo->Parameter = NULL; 2794 } 2795 2796 } 2797 } 2798 2799 DPRINT("Found driver parameter\n"); 2800 } 2801 2802 /* Get MaximumSGList */ 2803 if (_wcsnicmp(KeyValueInformation->Name, L"MaximumSGList", 2804 KeyValueInformation->NameLength/2) == 0) 2805 { 2806 if (KeyValueInformation->Type != REG_DWORD) 2807 { 2808 DPRINT("Bad data type for MaximumSGList\n"); 2809 continue; 2810 } 2811 2812 ConfigInfo->NumberOfPhysicalBreaks = *((PUCHAR)(Buffer + KeyValueInformation->DataOffset)); 2813 2814 /* Check / fix */ 2815 if (ConfigInfo->NumberOfPhysicalBreaks > SCSI_MAXIMUM_PHYSICAL_BREAKS) 2816 { 2817 ConfigInfo->NumberOfPhysicalBreaks = SCSI_MAXIMUM_PHYSICAL_BREAKS; 2818 } 2819 else if (ConfigInfo->NumberOfPhysicalBreaks < SCSI_MINIMUM_PHYSICAL_BREAKS) 2820 { 2821 ConfigInfo->NumberOfPhysicalBreaks = SCSI_MINIMUM_PHYSICAL_BREAKS; 2822 } 2823 2824 DPRINT("MaximumSGList = %d\n", ConfigInfo->NumberOfPhysicalBreaks); 2825 } 2826 2827 /* Get NumberOfRequests */ 2828 if (_wcsnicmp(KeyValueInformation->Name, L"NumberOfRequests", 2829 KeyValueInformation->NameLength/2) == 0) 2830 { 2831 if (KeyValueInformation->Type != REG_DWORD) 2832 { 2833 DPRINT("NumberOfRequests has wrong data type\n"); 2834 continue; 2835 } 2836 2837 DeviceExtension->RequestsNumber = *((PUCHAR)(Buffer + KeyValueInformation->DataOffset)); 2838 2839 /* Check / fix */ 2840 if (DeviceExtension->RequestsNumber < 16) 2841 { 2842 DeviceExtension->RequestsNumber = 16; 2843 } 2844 else if (DeviceExtension->RequestsNumber > 512) 2845 { 2846 DeviceExtension->RequestsNumber = 512; 2847 } 2848 2849 DPRINT("Number Of Requests = %d\n", DeviceExtension->RequestsNumber); 2850 } 2851 2852 /* Get resource list */ 2853 if (_wcsnicmp(KeyValueInformation->Name, L"ResourceList", 2854 KeyValueInformation->NameLength/2) == 0 || 2855 _wcsnicmp(KeyValueInformation->Name, L"Configuration Data", 2856 KeyValueInformation->NameLength/2) == 0 ) 2857 { 2858 if (KeyValueInformation->Type != REG_FULL_RESOURCE_DESCRIPTOR || 2859 KeyValueInformation->DataLength < sizeof(REG_FULL_RESOURCE_DESCRIPTOR)) 2860 { 2861 DPRINT("Bad data type for ResourceList\n"); 2862 continue; 2863 } 2864 else 2865 { 2866 DPRINT("Found ResourceList\n"); 2867 } 2868 2869 FullResource = (PCM_FULL_RESOURCE_DESCRIPTOR)(Buffer + KeyValueInformation->DataOffset); 2870 2871 /* Copy some info from it */ 2872 InternalConfigInfo->BusNumber = FullResource->BusNumber; 2873 ConfigInfo->SystemIoBusNumber = FullResource->BusNumber; 2874 2875 /* Loop through it */ 2876 for (Count = 0; Count < FullResource->PartialResourceList.Count; Count++) 2877 { 2878 /* Get partial descriptor */ 2879 PartialDescriptor = 2880 &FullResource->PartialResourceList.PartialDescriptors[Count]; 2881 2882 /* Check datalength */ 2883 if ((ULONG)((PCHAR)(PartialDescriptor + 1) - 2884 (PCHAR)FullResource) > KeyValueInformation->DataLength) 2885 { 2886 DPRINT("Resource data is of incorrect size\n"); 2887 break; 2888 } 2889 2890 switch (PartialDescriptor->Type) 2891 { 2892 case CmResourceTypePort: 2893 if (RangeCount >= ConfigInfo->NumberOfAccessRanges) 2894 { 2895 DPRINT("Too many access ranges\n"); 2896 continue; 2897 } 2898 2899 InternalConfigInfo->AccessRanges[RangeCount].RangeInMemory = FALSE; 2900 InternalConfigInfo->AccessRanges[RangeCount].RangeStart = PartialDescriptor->u.Port.Start; 2901 InternalConfigInfo->AccessRanges[RangeCount].RangeLength = PartialDescriptor->u.Port.Length; 2902 RangeCount++; 2903 2904 break; 2905 2906 case CmResourceTypeMemory: 2907 if (RangeCount >= ConfigInfo->NumberOfAccessRanges) 2908 { 2909 DPRINT("Too many access ranges\n"); 2910 continue; 2911 } 2912 2913 InternalConfigInfo->AccessRanges[RangeCount].RangeInMemory = TRUE; 2914 InternalConfigInfo->AccessRanges[RangeCount].RangeStart = PartialDescriptor->u.Memory.Start; 2915 InternalConfigInfo->AccessRanges[RangeCount].RangeLength = PartialDescriptor->u.Memory.Length; 2916 RangeCount++; 2917 2918 break; 2919 2920 case CmResourceTypeInterrupt: 2921 2922 if (Interrupt == 0) 2923 { 2924 ConfigInfo->BusInterruptLevel = 2925 PartialDescriptor->u.Interrupt.Level; 2926 2927 ConfigInfo->BusInterruptVector = 2928 PartialDescriptor->u.Interrupt.Vector; 2929 2930 ConfigInfo->InterruptMode = (PartialDescriptor->Flags & CM_RESOURCE_INTERRUPT_LATCHED) ? Latched : LevelSensitive; 2931 } 2932 else if (Interrupt == 1) 2933 { 2934 ConfigInfo->BusInterruptLevel2 = 2935 PartialDescriptor->u.Interrupt.Level; 2936 2937 ConfigInfo->BusInterruptVector2 = 2938 PartialDescriptor->u.Interrupt.Vector; 2939 2940 ConfigInfo->InterruptMode2 = (PartialDescriptor->Flags & CM_RESOURCE_INTERRUPT_LATCHED) ? Latched : LevelSensitive; 2941 } 2942 2943 Interrupt++; 2944 break; 2945 2946 case CmResourceTypeDma: 2947 2948 if (Dma == 0) 2949 { 2950 ConfigInfo->DmaChannel = PartialDescriptor->u.Dma.Channel; 2951 ConfigInfo->DmaPort = PartialDescriptor->u.Dma.Port; 2952 2953 if (PartialDescriptor->Flags & CM_RESOURCE_DMA_8) 2954 ConfigInfo->DmaWidth = Width8Bits; 2955 else if ((PartialDescriptor->Flags & CM_RESOURCE_DMA_16) || 2956 (PartialDescriptor->Flags & CM_RESOURCE_DMA_8_AND_16)) //??? 2957 ConfigInfo->DmaWidth = Width16Bits; 2958 else if (PartialDescriptor->Flags & CM_RESOURCE_DMA_32) 2959 ConfigInfo->DmaWidth = Width32Bits; 2960 } 2961 else if (Dma == 1) 2962 { 2963 ConfigInfo->DmaChannel2 = PartialDescriptor->u.Dma.Channel; 2964 ConfigInfo->DmaPort2 = PartialDescriptor->u.Dma.Port; 2965 2966 if (PartialDescriptor->Flags & CM_RESOURCE_DMA_8) 2967 ConfigInfo->DmaWidth2 = Width8Bits; 2968 else if ((PartialDescriptor->Flags & CM_RESOURCE_DMA_16) || 2969 (PartialDescriptor->Flags & CM_RESOURCE_DMA_8_AND_16)) //??? 2970 ConfigInfo->DmaWidth2 = Width16Bits; 2971 else if (PartialDescriptor->Flags & CM_RESOURCE_DMA_32) 2972 ConfigInfo->DmaWidth2 = Width32Bits; 2973 } 2974 2975 Dma++; 2976 break; 2977 2978 case CmResourceTypeDeviceSpecific: 2979 if (PartialDescriptor->u.DeviceSpecificData.DataSize < 2980 sizeof(CM_SCSI_DEVICE_DATA) || 2981 (PCHAR) (PartialDescriptor + 1) - (PCHAR)FullResource + 2982 PartialDescriptor->u.DeviceSpecificData.DataSize > 2983 KeyValueInformation->DataLength) 2984 { 2985 DPRINT("Resource data length is incorrect"); 2986 break; 2987 } 2988 2989 /* Set only one field from it */ 2990 ScsiDeviceData = (PCM_SCSI_DEVICE_DATA) (PartialDescriptor+1); 2991 ConfigInfo->InitiatorBusId[0] = ScsiDeviceData->HostIdentifier; 2992 break; 2993 } 2994 } 2995 } 2996 } 2997 } 2998 2999 NTSTATUS 3000 NTAPI 3001 SpQueryDeviceCallout(IN PVOID Context, 3002 IN PUNICODE_STRING PathName, 3003 IN INTERFACE_TYPE BusType, 3004 IN ULONG BusNumber, 3005 IN PKEY_VALUE_FULL_INFORMATION *BusInformation, 3006 IN CONFIGURATION_TYPE ControllerType, 3007 IN ULONG ControllerNumber, 3008 IN PKEY_VALUE_FULL_INFORMATION *ControllerInformation, 3009 IN CONFIGURATION_TYPE PeripheralType, 3010 IN ULONG PeripheralNumber, 3011 IN PKEY_VALUE_FULL_INFORMATION *PeripheralInformation) 3012 { 3013 PBOOLEAN Found = (PBOOLEAN)Context; 3014 /* We just set our Found variable to TRUE */ 3015 3016 *Found = TRUE; 3017 return STATUS_SUCCESS; 3018 } 3019 3020 IO_ALLOCATION_ACTION 3021 NTAPI 3022 ScsiPortAllocateAdapterChannel(IN PDEVICE_OBJECT DeviceObject, 3023 IN PIRP Irp, 3024 IN PVOID MapRegisterBase, 3025 IN PVOID Context) 3026 { 3027 KIRQL Irql; 3028 PSCSI_PORT_DEVICE_EXTENSION DeviceExtension = DeviceObject->DeviceExtension; 3029 3030 /* Guard access with the spinlock */ 3031 KeAcquireSpinLock(&DeviceExtension->SpinLock, &Irql); 3032 3033 /* Save MapRegisterBase we've got here */ 3034 DeviceExtension->MapRegisterBase = MapRegisterBase; 3035 3036 /* Start pending request */ 3037 KeSynchronizeExecution(DeviceExtension->Interrupt[0], 3038 ScsiPortStartPacket, DeviceObject); 3039 3040 /* Release spinlock we took */ 3041 KeReleaseSpinLock(&DeviceExtension->SpinLock, Irql); 3042 3043 return KeepObject; 3044 } 3045 3046 #undef ScsiPortConvertPhysicalAddressToUlong 3047 /* 3048 * @implemented 3049 */ 3050 ULONG NTAPI 3051 ScsiPortConvertPhysicalAddressToUlong(IN SCSI_PHYSICAL_ADDRESS Address) 3052 { 3053 DPRINT("ScsiPortConvertPhysicalAddressToUlong()\n"); 3054 return(Address.u.LowPart); 3055 } 3056