drivers/usb/usbstor/disk.c

   1 /*
   2  * PROJECT:     ReactOS Universal Serial Bus Bulk Storage Driver
   3  * LICENSE:     GPL - See COPYING in the top level directory
   4  * FILE:        drivers/usb/usbstor/disk.c
   5  * PURPOSE:     USB block storage device driver.
   6  * PROGRAMMERS:
   7  *              James Tabor
   8  *              Michael Martin (michael.martin@reactos.org)
   9  *              Johannes Anderwald (johannes.anderwald@reactos.org)
  10  */
  11
  12 #include "usbstor.h"
  13
  14 NTSTATUS
  15 USBSTOR_HandleInternalDeviceControl(
  16     IN PDEVICE_OBJECT DeviceObject,
  17     IN PIRP Irp)
  18 {
  19     PIO_STACK_LOCATION IoStack;
  20     PSCSI_REQUEST_BLOCK Request;
  21     PPDO_DEVICE_EXTENSION PDODeviceExtension;
  22     NTSTATUS Status;
  23
  24     //
  25     // get current stack location
  26     //
  27     IoStack = IoGetCurrentIrpStackLocation(Irp);
  28
  29     //
  30     // get request block
  31     //
  32     Request = (PSCSI_REQUEST_BLOCK)IoStack->Parameters.Others.Argument1;
  33
  34     //
  35     // sanity check
  36     //
  37     ASSERT(Request);
  38
  39     //
  40     // get device extension
  41     //
  42     PDODeviceExtension = (PPDO_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
  43
  44     //
  45     // sanity check
  46     //
  47     ASSERT(PDODeviceExtension->Common.IsFDO == FALSE);
  48
  49     switch(Request->Function)
  50     {
  51         case SRB_FUNCTION_EXECUTE_SCSI:
  52         {
  53             DPRINT("SRB_FUNCTION_EXECUTE_SCSI\n");
  54
  55             //
  56             // check if request is valid
  57             //
  58             if (Request->SrbFlags & (SRB_FLAGS_DATA_IN | SRB_FLAGS_DATA_OUT))
  59             {
  60                 //
  61                 // data is transferred with this irp
  62                 //
  63                 if ((Request->SrbFlags & (SRB_FLAGS_DATA_IN | SRB_FLAGS_DATA_OUT)) == (SRB_FLAGS_DATA_IN | SRB_FLAGS_DATA_OUT) ||
  64                     Request->DataTransferLength == 0 ||
  65                     Irp->MdlAddress == NULL)
  66                 {
  67                     //
  68                     // invalid parameter
  69                     //
  70                     Status = STATUS_INVALID_PARAMETER;
  71                     break;
  72                 }
  73             }
  74             else
  75             {
  76                 //
  77                 // sense buffer request
  78                 //
  79                 if (Request->DataTransferLength ||
  80                     Request->DataBuffer ||
  81                     Irp->MdlAddress)
  82                 {
  83                     //
  84                     // invalid parameter
  85                     //
  86                     Status = STATUS_INVALID_PARAMETER;
  87                     break;
  88                 }
  89             }
  90
  91             //
  92             // add the request
  93             //
  94             if (!USBSTOR_QueueAddIrp(PDODeviceExtension->LowerDeviceObject, Irp))
  95             {
  96                 //
  97                 // irp was not added to the queue
  98                 //
  99                 IoStartPacket(PDODeviceExtension->LowerDeviceObject, Irp, &Request->QueueSortKey, USBSTOR_CancelIo);
 100             }
 101
 102             //
 103             // irp pending
 104             //
 105             return STATUS_PENDING;
 106         }
 107         case SRB_FUNCTION_RELEASE_DEVICE:
 108         {
 109             DPRINT1("SRB_FUNCTION_RELEASE_DEVICE\n");
 110             //
 111             // sanity check
 112             //
 113             ASSERT(PDODeviceExtension->Claimed == TRUE);
 114
 115             //
 116             // release claim
 117             //
 118             PDODeviceExtension->Claimed = FALSE;
 119             Status = STATUS_SUCCESS;
 120             break;
 121         }
 122         case SRB_FUNCTION_CLAIM_DEVICE:
 123         {
 124             DPRINT1("SRB_FUNCTION_CLAIM_DEVICE\n");
 125             //
 126             // check if the device has been claimed
 127             //
 128             if (PDODeviceExtension->Claimed)
 129             {
 130                 //
 131                 // device has already been claimed
 132                 //
 133                 Status = STATUS_DEVICE_BUSY;
 134                 Request->SrbStatus = SRB_STATUS_BUSY;
 135                 break;
 136             }
 137
 138             //
 139             // claim device
 140             //
 141             PDODeviceExtension->Claimed = TRUE;
 142
 143             //
 144             // output device object
 145             //
 146             Request->DataBuffer = DeviceObject;
 147
 148             //
 149             // completed successfully
 150             //
 151             Status = STATUS_SUCCESS;
 152             break;
 153         }
 154         case SRB_FUNCTION_RELEASE_QUEUE:
 155         {
 156             DPRINT1("SRB_FUNCTION_RELEASE_QUEUE\n");
 157
 158             //
 159             // release queue
 160             //
 161             USBSTOR_QueueRelease(PDODeviceExtension->LowerDeviceObject);
 162
 163             //
 164             // set status success
 165             //
 166             Request->SrbStatus = SRB_STATUS_SUCCESS;
 167             Status = STATUS_SUCCESS;
 168             break;
 169         }
 170
 171         case SRB_FUNCTION_FLUSH:
 172         case SRB_FUNCTION_FLUSH_QUEUE:
 173         {
 174             DPRINT1("SRB_FUNCTION_FLUSH / SRB_FUNCTION_FLUSH_QUEUE\n");
 175
 176             //
 177             // flush all requests
 178             //
 179             USBSTOR_QueueFlushIrps(PDODeviceExtension->LowerDeviceObject);
 180
 181             //
 182             // set status success
 183             //
 184             Request->SrbStatus = SRB_STATUS_SUCCESS;
 185             Status = STATUS_SUCCESS;
 186             break;
 187         }
 188         default:
 189         {
 190             //
 191             // not supported
 192             //
 193             Status = STATUS_NOT_SUPPORTED;
 194             Request->SrbStatus = SRB_STATUS_ERROR;
 195         }
 196     }
 197
 198     //
 199     // complete request
 200     //
 201     Irp->IoStatus.Status = Status;
 202     IoCompleteRequest(Irp, IO_NO_INCREMENT);
 203     return Status;
 204 }
 205
 206 ULONG
 207 USBSTOR_GetFieldLength(
 208     IN PUCHAR Name,
 209     IN ULONG MaxLength)
 210 {
 211     ULONG Index;
 212     ULONG LastCharacterPosition = 0;
 213
 214     //
 215     // scan the field and return last positon which contains a valid character
 216     //
 217     for(Index = 0; Index < MaxLength; Index++)
 218     {
 219         if (Name[Index] != ' ')
 220         {
 221             //
 222             // trim white spaces from field
 223             //
 224             LastCharacterPosition = Index;
 225         }
 226     }
 227
 228     //
 229     // convert from zero based index to length
 230     //
 231     return LastCharacterPosition + 1;
 232 }
 233
 234 NTSTATUS
 235 USBSTOR_HandleQueryProperty(
 236     IN PDEVICE_OBJECT DeviceObject,
 237     IN PIRP Irp)
 238 {
 239     PIO_STACK_LOCATION IoStack;
 240     PSTORAGE_PROPERTY_QUERY PropertyQuery;
 241     PSTORAGE_DESCRIPTOR_HEADER DescriptorHeader;
 242     PSTORAGE_ADAPTER_DESCRIPTOR AdapterDescriptor;
 243     ULONG FieldLengthVendor, FieldLengthProduct, FieldLengthRevision, TotalLength, FieldLengthSerialNumber;
 244     PPDO_DEVICE_EXTENSION PDODeviceExtension;
 245     PUFI_INQUIRY_RESPONSE InquiryData;
 246     PSTORAGE_DEVICE_DESCRIPTOR DeviceDescriptor;
 247     PUCHAR Buffer;
 248     PFDO_DEVICE_EXTENSION FDODeviceExtension;
 249     UNICODE_STRING SerialNumber;
 250     ANSI_STRING AnsiString;
 251     NTSTATUS Status;
 252
 253     DPRINT1("USBSTOR_HandleQueryProperty\n");
 254
 255     //
 256     // get current stack location
 257     //
 258     IoStack = IoGetCurrentIrpStackLocation(Irp);
 259
 260     //
 261     // sanity check
 262     //
 263     ASSERT(IoStack->Parameters.DeviceIoControl.InputBufferLength >= sizeof(STORAGE_PROPERTY_QUERY));
 264     ASSERT(Irp->AssociatedIrp.SystemBuffer);
 265
 266     //
 267     // get property query
 268     //
 269     PropertyQuery = (PSTORAGE_PROPERTY_QUERY)Irp->AssociatedIrp.SystemBuffer;
 270
 271     //
 272     // check property type
 273     //
 274     if (PropertyQuery->PropertyId != StorageDeviceProperty &&
 275         PropertyQuery->PropertyId != StorageAdapterProperty)
 276     {
 277         //
 278         // only device property / adapter property are supported
 279         //
 280         return STATUS_INVALID_PARAMETER_1;
 281     }
 282
 283     //
 284     // check query type
 285     //
 286     if (PropertyQuery->QueryType == PropertyExistsQuery)
 287     {
 288         //
 289         // device property / adapter property is supported
 290         //
 291         return STATUS_SUCCESS;
 292     }
 293
 294     if (PropertyQuery->QueryType != PropertyStandardQuery)
 295     {
 296         //
 297         // only standard query and exists query are supported
 298         //
 299         return STATUS_INVALID_PARAMETER_2;
 300     }
 301
 302     //
 303     // check if it is a device property
 304     //
 305     if (PropertyQuery->PropertyId == StorageDeviceProperty)
 306     {
 307         DPRINT1("USBSTOR_HandleQueryProperty StorageDeviceProperty OutputBufferLength %lu\n", IoStack->Parameters.DeviceIoControl.OutputBufferLength);
 308
 309         //
 310         // get device extension
 311         //
 312         PDODeviceExtension = (PPDO_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
 313         ASSERT(PDODeviceExtension);
 314         ASSERT(PDODeviceExtension->Common.IsFDO == FALSE);
 315
 316         //
 317         // get device extension
 318         //
 319         FDODeviceExtension = (PFDO_DEVICE_EXTENSION)PDODeviceExtension->LowerDeviceObject->DeviceExtension;
 320         ASSERT(FDODeviceExtension);
 321         ASSERT(FDODeviceExtension->Common.IsFDO);
 322
 323         //
 324         // get inquiry data
 325         //
 326         InquiryData = (PUFI_INQUIRY_RESPONSE)PDODeviceExtension->InquiryData;
 327         ASSERT(InquiryData);
 328
 329         //
 330         // compute extra parameters length
 331         //
 332         FieldLengthVendor = USBSTOR_GetFieldLength(InquiryData->Vendor, 8);
 333         FieldLengthProduct = USBSTOR_GetFieldLength(InquiryData->Product, 16);
 334         FieldLengthRevision = USBSTOR_GetFieldLength(InquiryData->Revision, 4);
 335
 336         //
 337         // is there a serial number
 338         //
 339         if (FDODeviceExtension->SerialNumber)
 340         {
 341             //
 342             // get length
 343             //
 344             FieldLengthSerialNumber = wcslen(FDODeviceExtension->SerialNumber->bString);
 345         }
 346         else
 347         {
 348             //
 349             // no serial number
 350             //
 351             FieldLengthSerialNumber = 0;
 352         }
 353
 354         //
 355         // total length required is sizeof(STORAGE_DEVICE_DESCRIPTOR) + FieldLength + 4 extra null bytes - 1
 356         // -1 due STORAGE_DEVICE_DESCRIPTOR contains one byte length of parameter data
 357         //
 358         TotalLength = sizeof(STORAGE_DEVICE_DESCRIPTOR) + FieldLengthVendor + FieldLengthProduct + FieldLengthRevision + FieldLengthSerialNumber + 3;
 359
 360         //
 361         // check if output buffer is long enough
 362         //
 363         if (IoStack->Parameters.DeviceIoControl.OutputBufferLength < TotalLength)
 364         {
 365             //
 366             // buffer too small
 367             //
 368             DescriptorHeader = (PSTORAGE_DESCRIPTOR_HEADER)Irp->AssociatedIrp.SystemBuffer;
 369             ASSERT(IoStack->Parameters.DeviceIoControl.OutputBufferLength >= sizeof(STORAGE_DESCRIPTOR_HEADER));
 370
 371             //
 372             // return required size
 373             //
 374             DescriptorHeader->Version = TotalLength;
 375             DescriptorHeader->Size = TotalLength;
 376
 377             Irp->IoStatus.Information = sizeof(STORAGE_DESCRIPTOR_HEADER);
 378             return STATUS_SUCCESS;
 379         }
 380
 381         //
 382         // get device descriptor
 383         //
 384         DeviceDescriptor = (PSTORAGE_DEVICE_DESCRIPTOR)Irp->AssociatedIrp.SystemBuffer;
 385
 386         //
 387         // initialize device descriptor
 388         //
 389         DeviceDescriptor->Version = TotalLength;
 390         DeviceDescriptor->Size = TotalLength;
 391         DeviceDescriptor->DeviceType = InquiryData->DeviceType;
 392         DeviceDescriptor->DeviceTypeModifier = (InquiryData->RMB & 0x7F);
 393         DeviceDescriptor->RemovableMedia = TRUE;
 394         DeviceDescriptor->CommandQueueing = FALSE;
 395         DeviceDescriptor->BusType = BusTypeUsb;
 396         DeviceDescriptor->VendorIdOffset = sizeof(STORAGE_DEVICE_DESCRIPTOR) - sizeof(UCHAR);
 397         DeviceDescriptor->ProductIdOffset = DeviceDescriptor->VendorIdOffset + FieldLengthVendor + 1;
 398         DeviceDescriptor->ProductRevisionOffset = DeviceDescriptor->ProductIdOffset + FieldLengthProduct + 1;
 399         DeviceDescriptor->SerialNumberOffset = (FieldLengthSerialNumber > 0 ? DeviceDescriptor->ProductRevisionOffset + FieldLengthRevision + 1 : 0);
 400         DeviceDescriptor->RawPropertiesLength = FieldLengthVendor + FieldLengthProduct + FieldLengthRevision + FieldLengthSerialNumber + 3 + (FieldLengthSerialNumber > 0 ? + 1 : 0);
 401
 402         //
 403         // copy descriptors
 404         //
 405         Buffer = (PUCHAR)((ULONG_PTR)DeviceDescriptor + sizeof(STORAGE_DEVICE_DESCRIPTOR) - sizeof(UCHAR));
 406
 407         //
 408         // copy vendor
 409         //
 410         RtlCopyMemory(Buffer, InquiryData->Vendor, FieldLengthVendor);
 411         Buffer[FieldLengthVendor] = '\0';
 412         Buffer += FieldLengthVendor + 1;
 413
 414         //
 415         // copy product
 416         //
 417         RtlCopyMemory(Buffer, InquiryData->Product, FieldLengthProduct);
 418         Buffer[FieldLengthProduct] = '\0';
 419         Buffer += FieldLengthProduct + 1;
 420
 421         //
 422         // copy revision
 423         //
 424         RtlCopyMemory(Buffer, InquiryData->Revision, FieldLengthRevision);
 425         Buffer[FieldLengthRevision] = '\0';
 426         Buffer += FieldLengthRevision + 1;
 427
 428         //
 429         // copy serial number
 430         //
 431         if (FieldLengthSerialNumber)
 432         {
 433             //
 434             // init unicode string
 435             //
 436             RtlInitUnicodeString(&SerialNumber, FDODeviceExtension->SerialNumber->bString);
 437
 438             //
 439             // init ansi string
 440             //
 441             AnsiString.Buffer = (PCHAR)Buffer;
 442             AnsiString.Length = 0;
 443             AnsiString.MaximumLength = FieldLengthSerialNumber * sizeof(WCHAR);
 444
 445             //
 446             // convert to ansi code
 447             //
 448             Status = RtlUnicodeStringToAnsiString(&AnsiString, &SerialNumber, FALSE);
 449             ASSERT(Status == STATUS_SUCCESS);
 450         }
 451
 452
 453         DPRINT("Vendor %s\n", (LPCSTR)((ULONG_PTR)DeviceDescriptor + DeviceDescriptor->VendorIdOffset));
 454         DPRINT("Product %s\n", (LPCSTR)((ULONG_PTR)DeviceDescriptor + DeviceDescriptor->ProductIdOffset));
 455         DPRINT("Revision %s\n", (LPCSTR)((ULONG_PTR)DeviceDescriptor + DeviceDescriptor->ProductRevisionOffset));
 456         DPRINT("Serial %s\n", (LPCSTR)((ULONG_PTR)DeviceDescriptor + DeviceDescriptor->SerialNumberOffset));
 457
 458         //
 459         // done
 460         //
 461         Irp->IoStatus.Information = TotalLength;
 462         return STATUS_SUCCESS;
 463     }
 464     else
 465     {
 466         //
 467         // adapter property query request
 468         //
 469         DPRINT1("USBSTOR_HandleQueryProperty StorageAdapterProperty OutputBufferLength %lu\n", IoStack->Parameters.DeviceIoControl.OutputBufferLength);
 470
 471         if (IoStack->Parameters.DeviceIoControl.OutputBufferLength < sizeof(STORAGE_ADAPTER_DESCRIPTOR))
 472         {
 473             //
 474             // buffer too small
 475             //
 476             DescriptorHeader = (PSTORAGE_DESCRIPTOR_HEADER)Irp->AssociatedIrp.SystemBuffer;
 477             ASSERT(IoStack->Parameters.DeviceIoControl.OutputBufferLength >= sizeof(STORAGE_DESCRIPTOR_HEADER));
 478
 479             //
 480             // return required size
 481             //
 482             DescriptorHeader->Version = sizeof(STORAGE_ADAPTER_DESCRIPTOR);
 483             DescriptorHeader->Size = sizeof(STORAGE_ADAPTER_DESCRIPTOR);
 484
 485             Irp->IoStatus.Information = sizeof(STORAGE_DESCRIPTOR_HEADER);
 486             return STATUS_SUCCESS;
 487         }
 488
 489         //
 490         // get adapter descriptor, information is returned in the same buffer
 491         //
 492         AdapterDescriptor = (PSTORAGE_ADAPTER_DESCRIPTOR)Irp->AssociatedIrp.SystemBuffer;
 493
 494         //
 495         // fill out descriptor
 496         //
 497         AdapterDescriptor->Version = sizeof(STORAGE_ADAPTER_DESCRIPTOR);
 498         AdapterDescriptor->Size = sizeof(STORAGE_ADAPTER_DESCRIPTOR);
 499         AdapterDescriptor->MaximumTransferLength = MAXULONG; //FIXME compute some sane value
 500         AdapterDescriptor->MaximumPhysicalPages = 25; //FIXME compute some sane value
 501         AdapterDescriptor->AlignmentMask = 0;
 502         AdapterDescriptor->AdapterUsesPio = FALSE;
 503         AdapterDescriptor->AdapterScansDown = FALSE;
 504         AdapterDescriptor->CommandQueueing = FALSE;
 505         AdapterDescriptor->AcceleratedTransfer = FALSE;
 506         AdapterDescriptor->BusType = BusTypeUsb;
 507         AdapterDescriptor->BusMajorVersion = 0x2; //FIXME verify
 508         AdapterDescriptor->BusMinorVersion = 0x00; //FIXME
 509
 510         //
 511         // store returned length
 512         //
 513         Irp->IoStatus.Information = sizeof(STORAGE_ADAPTER_DESCRIPTOR);
 514
 515         //
 516         // done
 517         //
 518         return STATUS_SUCCESS;
 519     }
 520 }
 521
 522 NTSTATUS
 523 USBSTOR_HandleDeviceControl(
 524     IN PDEVICE_OBJECT DeviceObject,
 525     IN PIRP Irp)
 526 {
 527     PIO_STACK_LOCATION IoStack;
 528     NTSTATUS Status;
 529     PPDO_DEVICE_EXTENSION PDODeviceExtension;
 530     PSCSI_ADAPTER_BUS_INFO BusInfo;
 531     PSCSI_INQUIRY_DATA InquiryData;
 532     PINQUIRYDATA ScsiInquiryData;
 533     PUFI_INQUIRY_RESPONSE UFIInquiryResponse;
 534
 535     //
 536     // get current stack location
 537     //
 538     IoStack = IoGetCurrentIrpStackLocation(Irp);
 539
 540     if (IoStack->Parameters.DeviceIoControl.IoControlCode == IOCTL_STORAGE_QUERY_PROPERTY)
 541     {
 542         //
 543         // query property
 544         //
 545         Status = USBSTOR_HandleQueryProperty(DeviceObject, Irp);
 546     }
 547     else if (IoStack->Parameters.DeviceIoControl.IoControlCode == IOCTL_SCSI_PASS_THROUGH)
 548     {
 549         //
 550         // query scsi pass through
 551         //
 552         DPRINT1("USBSTOR_HandleDeviceControl IOCTL_SCSI_PASS_THROUGH NOT implemented\n");
 553         Status = STATUS_NOT_SUPPORTED;
 554     }
 555     else if (IoStack->Parameters.DeviceIoControl.IoControlCode == IOCTL_SCSI_PASS_THROUGH_DIRECT)
 556     {
 557         //
 558         // query scsi pass through direct
 559         //
 560         DPRINT1("USBSTOR_HandleDeviceControl IOCTL_SCSI_PASS_THROUGH_DIRECT NOT implemented\n");
 561         Status = STATUS_NOT_SUPPORTED;
 562     }
 563     else if (IoStack->Parameters.DeviceIoControl.IoControlCode == IOCTL_STORAGE_GET_MEDIA_SERIAL_NUMBER)
 564     {
 565         //
 566         // query serial number
 567         //
 568         DPRINT1("USBSTOR_HandleDeviceControl IOCTL_STORAGE_GET_MEDIA_SERIAL_NUMBER NOT implemented\n");
 569         Status = STATUS_NOT_SUPPORTED;
 570     }
 571     else if (IoStack->Parameters.DeviceIoControl.IoControlCode == IOCTL_SCSI_GET_CAPABILITIES)
 572     {
 573         PIO_SCSI_CAPABILITIES Capabilities;
 574
 575         /* Legacy port capability query */
 576         if (IoStack->Parameters.DeviceIoControl.OutputBufferLength == sizeof(PVOID))
 577         {
 578             Capabilities = *((PVOID *)Irp->AssociatedIrp.SystemBuffer) = ExAllocatePool(NonPagedPool, sizeof(IO_SCSI_CAPABILITIES));
 579             Irp->IoStatus.Information = sizeof(PVOID);
 580         }
 581         else
 582         {
 583             Capabilities = Irp->AssociatedIrp.SystemBuffer;
 584             Irp->IoStatus.Information = sizeof(IO_SCSI_CAPABILITIES);
 585         }
 586
 587         if (Capabilities)
 588         {
 589             Capabilities->MaximumTransferLength = MAXULONG;
 590             Capabilities->MaximumPhysicalPages = 25;
 591             Capabilities->SupportedAsynchronousEvents = 0;
 592             Capabilities->AlignmentMask = 0;
 593             Capabilities->TaggedQueuing = FALSE;
 594             Capabilities->AdapterScansDown = FALSE;
 595             Capabilities->AdapterUsesPio = FALSE;
 596             Status = STATUS_SUCCESS;
 597         }
 598         else
 599         {
 600             Status = STATUS_INSUFFICIENT_RESOURCES;
 601         }
 602     }
 603     else if (IoStack->Parameters.DeviceIoControl.IoControlCode == IOCTL_SCSI_GET_INQUIRY_DATA)
 604     {
 605         //
 606         // get device extension
 607         //
 608         PDODeviceExtension = (PPDO_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
 609         ASSERT(PDODeviceExtension);
 610         ASSERT(PDODeviceExtension->Common.IsFDO == FALSE);
 611
 612         //
 613         // get parameters
 614         //
 615         BusInfo = Irp->AssociatedIrp.SystemBuffer;
 616         InquiryData = (PSCSI_INQUIRY_DATA)(BusInfo + 1);
 617         ScsiInquiryData = (PINQUIRYDATA)InquiryData->InquiryData;
 618
 619
 620         //
 621         // get inquiry data
 622         //
 623         UFIInquiryResponse = (PUFI_INQUIRY_RESPONSE)PDODeviceExtension->InquiryData;
 624         ASSERT(UFIInquiryResponse);
 625
 626
 627         BusInfo->NumberOfBuses = 1;
 628         BusInfo->BusData[0].NumberOfLogicalUnits = 1; //FIXME
 629         BusInfo->BusData[0].InitiatorBusId = 0;
 630         BusInfo->BusData[0].InquiryDataOffset = sizeof(SCSI_ADAPTER_BUS_INFO);
 631
 632         InquiryData->PathId = 0;
 633         InquiryData->TargetId = 0;
 634         InquiryData->Lun = PDODeviceExtension->LUN & MAX_LUN;
 635         InquiryData->DeviceClaimed = PDODeviceExtension->Claimed;
 636         InquiryData->InquiryDataLength = sizeof(INQUIRYDATA);
 637         InquiryData->NextInquiryDataOffset = 0;
 638
 639         RtlZeroMemory(ScsiInquiryData, sizeof(INQUIRYDATA));
 640         ScsiInquiryData->DeviceType = UFIInquiryResponse->DeviceType;
 641         ScsiInquiryData->DeviceTypeQualifier = (UFIInquiryResponse->RMB & 0x7F);
 642         ScsiInquiryData->RemovableMedia = FALSE; //HACK for IoReadPartitionTable
 643         ScsiInquiryData->Versions = 0x04;
 644         ScsiInquiryData->ResponseDataFormat = 0x02;
 645         ScsiInquiryData->AdditionalLength = 31;
 646         ScsiInquiryData->SoftReset = 0;
 647         ScsiInquiryData->CommandQueue = 0;
 648         ScsiInquiryData->LinkedCommands = 0;
 649         ScsiInquiryData->RelativeAddressing = 0;
 650
 651         RtlCopyMemory(&ScsiInquiryData->VendorId, UFIInquiryResponse->Vendor, USBSTOR_GetFieldLength(UFIInquiryResponse->Vendor, 8));
 652         RtlCopyMemory(&ScsiInquiryData->ProductId, UFIInquiryResponse->Product, USBSTOR_GetFieldLength(UFIInquiryResponse->Product, 16));
 653
 654         Irp->IoStatus.Information = sizeof(SCSI_ADAPTER_BUS_INFO) + sizeof(SCSI_INQUIRY_DATA) + sizeof(INQUIRYDATA) - 1;
 655         Status = STATUS_SUCCESS;
 656     }
 657     else if (IoStack->Parameters.DeviceIoControl.IoControlCode == IOCTL_SCSI_GET_ADDRESS)
 658     {
 659         PSCSI_ADDRESS Address = Irp->AssociatedIrp.SystemBuffer;
 660
 661         Address->Length = sizeof(SCSI_ADDRESS);
 662         Address->PortNumber = 0;
 663         Address->PathId = 0;
 664         Address->TargetId = 0;
 665         Address->Lun = (((PPDO_DEVICE_EXTENSION)DeviceObject->DeviceExtension)->LUN & MAX_LUN);
 666         Irp->IoStatus.Information = sizeof(SCSI_ADDRESS);
 667
 668         Status = STATUS_SUCCESS;
 669     }
 670     else
 671     {
 672         //
 673         // unsupported
 674         //
 675         DPRINT("USBSTOR_HandleDeviceControl IoControl %x not supported\n", IoStack->Parameters.DeviceIoControl.IoControlCode);
 676         Status = STATUS_NOT_SUPPORTED;
 677     }
 678
 679     return Status;
 680 }