reactos/drivers/usb/usbhub/pdo.c

   1 /*
   2  * PROJECT:         ReactOS Universal Serial Bus Hub Driver
   3  * LICENSE:         GPL - See COPYING in the top level directory
   4  * FILE:            drivers/usb/usbhub/fdo.c
   5  * PURPOSE:         Handle PDO
   6  * PROGRAMMERS:
   7  *                  Hervé Poussineau (hpoussin@reactos.org)
   8  *                  Michael Martin (michael.martin@reactos.org)
   9  *                  Johannes Anderwald (johannes.anderwald@reactos.org)
  10  */
  11
  12 #include "usbhub.h"
  13
  14 #define IO_METHOD_FROM_CTL_CODE(ctlCode) (ctlCode&0x00000003)
  15
  16 NTSTATUS
  17 NTAPI
  18 UrbCompletion(
  19     PDEVICE_OBJECT DeviceObject,
  20     PIRP Irp,
  21     PVOID Context)
  22 {
  23     PIRP OriginalIrp;
  24     DPRINT("Entered Urb Completion\n");
  25
  26     //
  27     // Get the original Irp
  28     //
  29     OriginalIrp = (PIRP)Context;
  30
  31     //
  32     // Update it to match what was returned for the IRP that was passed to RootHub
  33     //
  34     OriginalIrp->IoStatus.Status = Irp->IoStatus.Status;
  35     OriginalIrp->IoStatus.Information = Irp->IoStatus.Information;
  36     DPRINT("Status %x, Information %x\n", Irp->IoStatus.Status, Irp->IoStatus.Information);
  37
  38     //
  39     // Complete the original Irp
  40     //
  41     IoCompleteRequest(OriginalIrp, IO_NO_INCREMENT);
  42
  43     //
  44     // Return this status so the IO Manager doesnt mess with the Irp
  45     //
  46     return STATUS_MORE_PROCESSING_REQUIRED;
  47 }
  48
  49 NTSTATUS
  50 FowardUrbToRootHub(
  51     PDEVICE_OBJECT RootHubDeviceObject,
  52     IN ULONG IoControlCode,
  53     PIRP Irp,
  54     OUT PVOID OutParameter1,
  55     OUT PVOID OutParameter2)
  56 {
  57     NTSTATUS Status;
  58     PIRP ForwardIrp;
  59     IO_STATUS_BLOCK IoStatus;
  60     PIO_STACK_LOCATION ForwardStack, CurrentStack;
  61     PURB Urb;
  62
  63     //
  64     // Get the current stack location for the Irp
  65     //
  66     CurrentStack = IoGetCurrentIrpStackLocation(Irp);
  67     ASSERT(CurrentStack);
  68
  69     //
  70     // Pull the Urb from that stack, it will be reused in the Irp sent to RootHub
  71     //
  72     Urb = (PURB)CurrentStack->Parameters.Others.Argument1;
  73     ASSERT(Urb);
  74
  75     //
  76     // Create the Irp to forward to RootHub
  77     //
  78     ForwardIrp = IoBuildAsynchronousFsdRequest(IRP_MJ_SHUTDOWN,
  79                                                RootHubDeviceObject,
  80                                                NULL,
  81                                                0,
  82                                                0,
  83                                                &IoStatus);
  84     if (!ForwardIrp)
  85     {
  86         DPRINT1("Failed to allocate IRP\n");
  87         return STATUS_INSUFFICIENT_RESOURCES;
  88     }
  89
  90     //
  91     // Get the new Irps next stack
  92     //
  93     ForwardStack = IoGetNextIrpStackLocation(ForwardIrp);
  94
  95     //
  96     // Copy the stack for the current irp into the next stack of new irp
  97     //
  98     RtlCopyMemory(ForwardStack, CurrentStack, sizeof(IO_STACK_LOCATION));
  99
 100     IoStatus.Status = STATUS_NOT_SUPPORTED;
 101     IoStatus.Information = 0;
 102
 103     //
 104     // Mark the Irp from upper driver as pending
 105     //
 106     IoMarkIrpPending(Irp);
 107
 108     //
 109     // Now set the completion routine for the new Irp.
 110     //
 111     IoSetCompletionRoutine(ForwardIrp,
 112                            UrbCompletion,
 113                            Irp,
 114                            TRUE,
 115                            TRUE,
 116                            TRUE);
 117
 118     Status = IoCallDriver(RootHubDeviceObject, ForwardIrp);
 119
 120     //
 121     // Always return pending as the completion routine will take care of it
 122     //
 123     return STATUS_PENDING;
 124 }
 125
 126 BOOLEAN
 127 IsValidPDO(
 128     IN PDEVICE_OBJECT DeviceObject)
 129 {
 130     ULONG Index;
 131     PHUB_DEVICE_EXTENSION HubDeviceExtension;
 132     PHUB_CHILDDEVICE_EXTENSION ChildDeviceExtension;
 133
 134
 135     ChildDeviceExtension = (PHUB_CHILDDEVICE_EXTENSION)DeviceObject->DeviceExtension;
 136     ASSERT(ChildDeviceExtension->Common.IsFDO == FALSE);
 137     HubDeviceExtension = (PHUB_DEVICE_EXTENSION)ChildDeviceExtension->ParentDeviceObject->DeviceExtension;
 138
 139     for(Index = 0; Index < USB_MAXCHILDREN; Index++)
 140     {
 141         if (HubDeviceExtension->ChildDeviceObject[Index] == DeviceObject)
 142         {
 143             /* PDO exists */
 144             return TRUE;
 145         }
 146     }
 147
 148     /* invalid pdo */
 149     return FALSE;
 150 }
 151
 152
 153 NTSTATUS
 154 USBHUB_PdoHandleInternalDeviceControl(
 155     IN PDEVICE_OBJECT DeviceObject,
 156     IN PIRP Irp)
 157 {
 158     NTSTATUS Status;
 159     PIO_STACK_LOCATION Stack;
 160     ULONG_PTR Information = 0;
 161     PHUB_DEVICE_EXTENSION HubDeviceExtension;
 162     PHUB_CHILDDEVICE_EXTENSION ChildDeviceExtension;
 163     PDEVICE_OBJECT RootHubDeviceObject;
 164     PURB Urb;
 165
 166     //DPRINT1("UsbhubInternalDeviceControlPdo(%x) called\n", DeviceObject);
 167
 168     //
 169     // get current stack location
 170     //
 171     Stack = IoGetCurrentIrpStackLocation(Irp);
 172     ASSERT(Stack);
 173
 174     //
 175     // Set default status
 176     //
 177     Status = Irp->IoStatus.Status;
 178
 179     ChildDeviceExtension = (PHUB_CHILDDEVICE_EXTENSION)DeviceObject->DeviceExtension;
 180     ASSERT(ChildDeviceExtension->Common.IsFDO == FALSE);
 181     HubDeviceExtension = (PHUB_DEVICE_EXTENSION)ChildDeviceExtension->ParentDeviceObject->DeviceExtension;
 182     RootHubDeviceObject = HubDeviceExtension->RootHubPhysicalDeviceObject;
 183
 184     if(!IsValidPDO(DeviceObject))
 185     {
 186         DPRINT1("[USBHUB] Request for removed device object %p\n", DeviceObject);
 187         Irp->IoStatus.Status = STATUS_DEVICE_NOT_CONNECTED;
 188         Irp->IoStatus.Information = 0;
 189         IoCompleteRequest(Irp, IO_NO_INCREMENT);
 190         return STATUS_DEVICE_NOT_CONNECTED;
 191     }
 192
 193     switch (Stack->Parameters.DeviceIoControl.IoControlCode)
 194     {
 195         case IOCTL_INTERNAL_USB_GET_PARENT_HUB_INFO:
 196         {
 197             PHUB_DEVICE_EXTENSION DeviceExtension;
 198
 199             DPRINT("IOCTL_INTERNAL_USB_GET_PARENT_HUB_INFO\n");
 200             if (Irp->AssociatedIrp.SystemBuffer == NULL
 201                 || Stack->Parameters.DeviceIoControl.OutputBufferLength != sizeof(PVOID))
 202             {
 203                 Status = STATUS_INVALID_PARAMETER;
 204             }
 205             else
 206             {
 207                 PVOID* pHubPointer;
 208                 DeviceExtension = (PHUB_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
 209
 210                 pHubPointer = (PVOID*)Irp->AssociatedIrp.SystemBuffer;
 211                 // FIXME
 212                 *pHubPointer = NULL;
 213                 Information = sizeof(PVOID);
 214                 Status = STATUS_SUCCESS;
 215             }
 216             break;
 217         }
 218         case IOCTL_INTERNAL_USB_SUBMIT_URB:
 219         {
 220             //DPRINT1("IOCTL_INTERNAL_USB_SUBMIT_URB\n");
 221
 222             //
 223             // Get the Urb
 224             //
 225             Urb = (PURB)Stack->Parameters.Others.Argument1;
 226             ASSERT(Urb);
 227
 228             //
 229             // Set the real device handle
 230             //
 231             //DPRINT("UsbdDeviceHandle %x, ChildDeviceHandle %x\n", Urb->UrbHeader.UsbdDeviceHandle, ChildDeviceExtension->UsbDeviceHandle);
 232
 233             Urb->UrbHeader.UsbdDeviceHandle = ChildDeviceExtension->UsbDeviceHandle;
 234
 235             //
 236             // Submit to RootHub
 237             //
 238             switch (Urb->UrbHeader.Function)
 239             {
 240                 //
 241                 // Debugging only
 242                 //
 243                 case URB_FUNCTION_GET_DESCRIPTOR_FROM_DEVICE:
 244                     DPRINT1("URB_FUNCTION_GET_DESCRIPTOR_FROM_DEVICE\n");
 245                     break;
 246                 case URB_FUNCTION_CLASS_DEVICE:
 247                     DPRINT1("URB_FUNCTION_CLASS_DEVICE\n");
 248                     break;
 249                 case URB_FUNCTION_GET_STATUS_FROM_DEVICE:
 250                     DPRINT1("URB_FUNCTION_GET_STATUS_FROM_DEVICE\n");
 251                     break;
 252                 case URB_FUNCTION_SELECT_CONFIGURATION:
 253                     DPRINT1("URB_FUNCTION_SELECT_CONFIGURATION\n");
 254                     break;
 255                 case URB_FUNCTION_SELECT_INTERFACE:
 256                     DPRINT1("URB_FUNCTION_SELECT_INTERFACE\n");
 257                     break;
 258                 case URB_FUNCTION_CLASS_OTHER:
 259                     DPRINT1("URB_FUNCTION_CLASS_OTHER\n");
 260                     break;
 261                 case URB_FUNCTION_BULK_OR_INTERRUPT_TRANSFER:
 262                 {
 263                 /*
 264                     DPRINT1("URB_FUNCTION_BULK_OR_INTERRUPT_TRANSFER\n");
 265                     DPRINT1("PipeHandle %x\n", Urb->UrbBulkOrInterruptTransfer.PipeHandle);
 266                     DPRINT1("TransferFlags %x\n", Urb->UrbBulkOrInterruptTransfer.TransferFlags);
 267                     DPRINT1("Buffer %x\n", Urb->UrbBulkOrInterruptTransfer.TransferBuffer);
 268                     DPRINT1("BufferMDL %x\n", Urb->UrbBulkOrInterruptTransfer.TransferBufferMDL);
 269                     DPRINT1("Length %x\n", Urb->UrbBulkOrInterruptTransfer.TransferBufferLength);
 270                     DPRINT1("UrbLink %x\n", Urb->UrbBulkOrInterruptTransfer.UrbLink);
 271                     DPRINT1("hca %x\n", Urb->UrbBulkOrInterruptTransfer.hca);
 272                     if (Urb->UrbBulkOrInterruptTransfer.TransferFlags == USBD_SHORT_TRANSFER_OK)
 273                     {
 274                     }
 275                 */
 276                     break;
 277
 278                 }
 279                 case URB_FUNCTION_CLASS_INTERFACE:
 280                     DPRINT1("URB_FUNCTION_CLASS_INTERFACE\n");
 281                     break;
 282                 case URB_FUNCTION_VENDOR_DEVICE:
 283                     DPRINT1("URB_FUNCTION_VENDOR_DEVICE\n");
 284                     break;
 285                 default:
 286                     DPRINT1("IOCTL_INTERNAL_USB_SUBMIT_URB Function %x NOT IMPLEMENTED\n", Urb->UrbHeader.Function);
 287                     break;
 288             }
 289             Urb->UrbHeader.UsbdDeviceHandle = ChildDeviceExtension->UsbDeviceHandle;
 290             //DPRINT1("Stack->CompletionRoutine %x\n", Stack->CompletionRoutine);
 291             //
 292             // Send the request to RootHub
 293             //
 294             Status = FowardUrbToRootHub(RootHubDeviceObject, IOCTL_INTERNAL_USB_SUBMIT_URB, Irp, Urb, NULL);
 295             return Status;
 296             break;
 297         }
 298         //
 299         // FIXME: Can these be sent to RootHub?
 300         //
 301         case IOCTL_INTERNAL_USB_RESET_PORT:
 302             DPRINT1("IOCTL_INTERNAL_USB_RESET_PORT\n");
 303             break;
 304         case IOCTL_INTERNAL_USB_GET_PORT_STATUS:
 305         {
 306             PORT_STATUS_CHANGE PortStatus;
 307             LONG PortId;
 308             PUCHAR PortStatusBits;
 309
 310             PortStatusBits = (PUCHAR)Stack->Parameters.Others.Argument1;
 311             //
 312             // USBD_PORT_ENABLED (bit 0) or USBD_PORT_CONNECTED (bit 1)
 313             //
 314             DPRINT1("IOCTL_INTERNAL_USB_GET_PORT_STATUS\n");
 315             DPRINT("Arg1 %x\n", *PortStatusBits);
 316             *PortStatusBits = 0;
 317             if (Stack->Parameters.Others.Argument1)
 318             {
 319                 for (PortId = 1; PortId <= HubDeviceExtension->UsbExtHubInfo.NumberOfPorts; PortId++)
 320                 {
 321                     Status = GetPortStatusAndChange(RootHubDeviceObject, PortId, &PortStatus);
 322                     if (NT_SUCCESS(Status))
 323                     {
 324                         DPRINT("Connect %x\n", ((PortStatus.Status & USB_PORT_STATUS_CONNECT) << 1) << ((PortId - 1) * 2));
 325                         DPRINT("Enable %x\n", ((PortStatus.Status & USB_PORT_STATUS_ENABLE) >> 1) << ((PortId - 1) * 2));
 326                         *PortStatusBits +=
 327                             (((PortStatus.Status & USB_PORT_STATUS_CONNECT) << 1) << ((PortId - 1) * 2)) +
 328                             (((PortStatus.Status & USB_PORT_STATUS_ENABLE) >> 1) << ((PortId - 1) * 2));
 329
 330                     }
 331                 }
 332             }
 333
 334             DPRINT1("Arg1 %x\n", *PortStatusBits);
 335             Status = STATUS_SUCCESS;
 336             break;
 337         }
 338         case IOCTL_INTERNAL_USB_ENABLE_PORT:
 339             DPRINT1("IOCTL_INTERNAL_USB_ENABLE_PORT\n");
 340             break;
 341         case IOCTL_INTERNAL_USB_CYCLE_PORT:
 342             DPRINT1("IOCTL_INTERNAL_USB_CYCLE_PORT\n");
 343             break;
 344         case IOCTL_INTERNAL_USB_GET_DEVICE_HANDLE:
 345         {
 346             DPRINT1("IOCTL_INTERNAL_USB_GET_DEVICE_HANDLE\n");
 347             if (Stack->Parameters.Others.Argument1)
 348             {
 349                 // store device handle
 350                 *(PVOID *)Stack->Parameters.Others.Argument1 = (PVOID)ChildDeviceExtension->UsbDeviceHandle;
 351                 Status = STATUS_SUCCESS;
 352             }
 353             else
 354             {
 355                 // invalid parameter
 356                 Status = STATUS_INVALID_PARAMETER;
 357             }
 358             break;
 359         }
 360         case IOCTL_INTERNAL_USB_GET_ROOTHUB_PDO:
 361         {
 362             if (Stack->Parameters.Others.Argument1)
 363             {
 364                 // inform caller that it is a real usb hub
 365                 *(PVOID *)Stack->Parameters.Others.Argument1 = NULL;
 366             }
 367
 368             if (Stack->Parameters.Others.Argument2)
 369             {
 370                 // output device object
 371                 *(PVOID *)Stack->Parameters.Others.Argument2 = DeviceObject;
 372             }
 373
 374             // done
 375             Status = STATUS_SUCCESS;
 376             break;
 377         }
 378         default:
 379         {
 380             DPRINT1("Unknown IOCTL code 0x%lx\n", Stack->Parameters.DeviceIoControl.IoControlCode);
 381             Information = Irp->IoStatus.Information;
 382             Status = Irp->IoStatus.Status;
 383         }
 384     }
 385
 386     if (Status != STATUS_PENDING)
 387     {
 388         Irp->IoStatus.Information = Information;
 389         Irp->IoStatus.Status = Status;
 390         IoCompleteRequest(Irp, IO_NO_INCREMENT);
 391     }
 392     return Status;
 393 }
 394
 395 NTSTATUS
 396 USBHUB_PdoStartDevice(
 397     IN PDEVICE_OBJECT DeviceObject,
 398     IN PIRP Irp)
 399 {
 400     PHUB_CHILDDEVICE_EXTENSION ChildDeviceExtension;
 401     //NTSTATUS Status;
 402     DPRINT("USBHUB_PdoStartDevice %x\n", DeviceObject);
 403     ChildDeviceExtension = (PHUB_CHILDDEVICE_EXTENSION)DeviceObject->DeviceExtension;
 404
 405     //
 406     // This should be a PDO
 407     //
 408     ASSERT(ChildDeviceExtension->Common.IsFDO == FALSE);
 409
 410     //
 411     // FIXME: Fow now assume success
 412     //
 413
 414     UNIMPLEMENTED
 415     return STATUS_SUCCESS;
 416 }
 417
 418 NTSTATUS
 419 USBHUB_PdoQueryId(
 420     IN PDEVICE_OBJECT DeviceObject,
 421     IN PIRP Irp,
 422     OUT ULONG_PTR* Information)
 423 {
 424     PHUB_CHILDDEVICE_EXTENSION ChildDeviceExtension;
 425     ULONG IdType;
 426     PUNICODE_STRING SourceString = NULL;
 427     PWCHAR ReturnString = NULL;
 428     NTSTATUS Status = STATUS_SUCCESS;
 429
 430     IdType = IoGetCurrentIrpStackLocation(Irp)->Parameters.QueryId.IdType;
 431     ChildDeviceExtension = (PHUB_CHILDDEVICE_EXTENSION)DeviceObject->DeviceExtension;
 432
 433     switch (IdType)
 434     {
 435         case BusQueryDeviceID:
 436         {
 437             DPRINT("IRP_MJ_PNP / IRP_MN_QUERY_ID / BusQueryDeviceID\n");
 438             SourceString = &ChildDeviceExtension->usDeviceId;
 439             break;
 440         }
 441         case BusQueryHardwareIDs:
 442         {
 443             DPRINT("IRP_MJ_PNP / IRP_MN_QUERY_ID / BusQueryHardwareIDs\n");
 444             SourceString = &ChildDeviceExtension->usHardwareIds;
 445             break;
 446         }
 447         case BusQueryCompatibleIDs:
 448         {
 449             DPRINT("IRP_MJ_PNP / IRP_MN_QUERY_ID / BusQueryCompatibleIDs\n");
 450             SourceString = &ChildDeviceExtension->usCompatibleIds;
 451             break;
 452         }
 453         case BusQueryInstanceID:
 454         {
 455             DPRINT("IRP_MJ_PNP / IRP_MN_QUERY_ID / BusQueryInstanceID\n");
 456             SourceString = &ChildDeviceExtension->usInstanceId;
 457             break;
 458         }
 459         default:
 460             DPRINT1("IRP_MJ_PNP / IRP_MN_QUERY_ID / unknown query id type 0x%lx\n", IdType);
 461             return STATUS_NOT_SUPPORTED;
 462     }
 463
 464     if (SourceString)
 465     {
 466         //
 467         // allocate buffer
 468         //
 469         ReturnString = ExAllocatePool(PagedPool, SourceString->MaximumLength);
 470         if (!ReturnString)
 471         {
 472             //
 473             // no memory
 474             //
 475             return STATUS_INSUFFICIENT_RESOURCES;
 476         }
 477
 478         //
 479         // copy buffer
 480         //
 481         RtlCopyMemory(ReturnString, SourceString->Buffer, SourceString->MaximumLength);
 482     }
 483
 484     *Information = (ULONG_PTR)ReturnString;
 485
 486     return Status;
 487 }
 488
 489 NTSTATUS
 490 USBHUB_PdoQueryDeviceText(
 491     IN PDEVICE_OBJECT DeviceObject,
 492     IN PIRP Irp,
 493     OUT ULONG_PTR* Information)
 494 {
 495     PHUB_CHILDDEVICE_EXTENSION ChildDeviceExtension;
 496     DEVICE_TEXT_TYPE DeviceTextType;
 497     PUNICODE_STRING SourceString = NULL;
 498     PWCHAR ReturnString = NULL;
 499     NTSTATUS Status = STATUS_SUCCESS;
 500     LCID LocaleId;
 501
 502     DeviceTextType = IoGetCurrentIrpStackLocation(Irp)->Parameters.QueryDeviceText.DeviceTextType;
 503     LocaleId = IoGetCurrentIrpStackLocation(Irp)->Parameters.QueryDeviceText.LocaleId;
 504     ChildDeviceExtension = (PHUB_CHILDDEVICE_EXTENSION)DeviceObject->DeviceExtension;
 505
 506     //
 507     // FIXME: LocaleId
 508     //
 509
 510     switch (DeviceTextType)
 511     {
 512         case DeviceTextDescription:
 513         case DeviceTextLocationInformation:
 514         {
 515             DPRINT("IRP_MJ_PNP / IRP_MN_QUERY_DEVICE_TEXT / DeviceTextDescription\n");
 516
 517             //
 518             // does the device provide a text description
 519             //
 520             if (ChildDeviceExtension->usTextDescription.Buffer && ChildDeviceExtension->usTextDescription.Length)
 521             {
 522                 //
 523                 // use device text
 524                 //
 525                 SourceString = &ChildDeviceExtension->usTextDescription;
 526             }
 527             break;
 528         }
 529         default:
 530         {
 531             DPRINT1("IRP_MJ_PNP / IRP_MN_QUERY_DEVICE_TEXT / unknown device text type 0x%lx\n", DeviceTextType);
 532             Status = STATUS_NOT_SUPPORTED;
 533             break;
 534         }
 535     }
 536
 537     if (SourceString)
 538     {
 539         ReturnString = ExAllocatePool(PagedPool, SourceString->MaximumLength);
 540         RtlCopyMemory(ReturnString, SourceString->Buffer, SourceString->MaximumLength);
 541         DPRINT1("%S\n", ReturnString);
 542         *Information = (ULONG_PTR)ReturnString;
 543     }
 544
 545     return Status;
 546 }
 547
 548 NTSTATUS
 549 USBHUB_PdoHandlePnp(
 550     IN PDEVICE_OBJECT DeviceObject,
 551     IN PIRP Irp)
 552 {
 553     NTSTATUS Status;
 554     ULONG MinorFunction;
 555     PIO_STACK_LOCATION Stack;
 556     ULONG_PTR Information = 0;
 557     PHUB_CHILDDEVICE_EXTENSION UsbChildExtension;
 558     ULONG Index;
 559     ULONG bFound;
 560     PDEVICE_RELATIONS DeviceRelation;
 561     PDEVICE_OBJECT ParentDevice;
 562
 563     UsbChildExtension = (PHUB_CHILDDEVICE_EXTENSION)DeviceObject->DeviceExtension;
 564     Stack = IoGetCurrentIrpStackLocation(Irp);
 565     MinorFunction = Stack->MinorFunction;
 566
 567     switch (MinorFunction)
 568     {
 569         case IRP_MN_START_DEVICE:
 570         {
 571             DPRINT("IRP_MJ_PNP / IRP_MN_START_DEVICE\n");
 572             Status = USBHUB_PdoStartDevice(DeviceObject, Irp);
 573             break;
 574         }
 575         case IRP_MN_QUERY_CAPABILITIES:
 576         {
 577             PDEVICE_CAPABILITIES DeviceCapabilities;
 578             ULONG i;
 579             DPRINT("IRP_MJ_PNP / IRP_MN_QUERY_CAPABILITIES\n");
 580
 581             DeviceCapabilities = (PDEVICE_CAPABILITIES)Stack->Parameters.DeviceCapabilities.Capabilities;
 582             // FIXME: capabilities can change with connected device
 583             DeviceCapabilities->LockSupported = FALSE;
 584             DeviceCapabilities->EjectSupported = FALSE;
 585             DeviceCapabilities->Removable = TRUE;
 586             DeviceCapabilities->DockDevice = FALSE;
 587             DeviceCapabilities->UniqueID = FALSE;
 588             DeviceCapabilities->SilentInstall = FALSE;
 589             DeviceCapabilities->RawDeviceOK = FALSE;
 590             DeviceCapabilities->SurpriseRemovalOK = FALSE;
 591             DeviceCapabilities->HardwareDisabled = FALSE;
 592             //DeviceCapabilities->NoDisplayInUI = FALSE;
 593             DeviceCapabilities->Address = UsbChildExtension->PortNumber;
 594             DeviceCapabilities->UINumber = 0;
 595             DeviceCapabilities->DeviceState[0] = PowerDeviceD0;
 596             for (i = 1; i < PowerSystemMaximum; i++)
 597                 DeviceCapabilities->DeviceState[i] = PowerDeviceD3;
 598             //DeviceCapabilities->DeviceWake = PowerDeviceUndefined;
 599             DeviceCapabilities->D1Latency = 0;
 600             DeviceCapabilities->D2Latency = 0;
 601             DeviceCapabilities->D3Latency = 0;
 602             Status = STATUS_SUCCESS;
 603             break;
 604         }
 605         case IRP_MN_QUERY_RESOURCES:
 606         {
 607             DPRINT("IRP_MJ_PNP / IRP_MN_QUERY_RESOURCES\n");
 608
 609             Information = Irp->IoStatus.Information;
 610             Status = Irp->IoStatus.Status;
 611             break;
 612         }
 613         case IRP_MN_QUERY_RESOURCE_REQUIREMENTS:
 614         {
 615             DPRINT("IRP_MJ_PNP / IRP_MN_QUERY_RESOURCE_REQUIREMENTS\n");
 616
 617             Information = Irp->IoStatus.Information;
 618             Status = Irp->IoStatus.Status;
 619             break;
 620         }
 621         case IRP_MN_QUERY_DEVICE_TEXT:
 622         {
 623             Status = USBHUB_PdoQueryDeviceText(DeviceObject, Irp, &Information);
 624             break;
 625         }
 626         case IRP_MN_QUERY_ID:
 627         {
 628             Status = USBHUB_PdoQueryId(DeviceObject, Irp, &Information);
 629             break;
 630         }
 631         case IRP_MN_QUERY_BUS_INFORMATION:
 632         {
 633             PPNP_BUS_INFORMATION BusInfo;
 634             BusInfo = (PPNP_BUS_INFORMATION)ExAllocatePool(PagedPool, sizeof(PNP_BUS_INFORMATION));
 635             RtlCopyMemory(&BusInfo->BusTypeGuid,
 636                           &GUID_BUS_TYPE_USB,
 637                           sizeof(BusInfo->BusTypeGuid));
 638             BusInfo->LegacyBusType = PNPBus;
 639             // FIXME
 640             BusInfo->BusNumber = 0;
 641             Information = (ULONG_PTR)BusInfo;
 642             Status = STATUS_SUCCESS;
 643             break;
 644         }
 645         case IRP_MN_REMOVE_DEVICE:
 646         {
 647             PHUB_DEVICE_EXTENSION HubDeviceExtension = (PHUB_DEVICE_EXTENSION)UsbChildExtension->ParentDeviceObject->DeviceExtension;
 648             PUSB_BUS_INTERFACE_HUB_V5 HubInterface = &HubDeviceExtension->HubInterface;
 649             ParentDevice = UsbChildExtension->ParentDeviceObject;
 650
 651             DPRINT("IRP_MJ_PNP / IRP_MN_REMOVE_DEVICE\n");
 652
 653             /* remove us from pdo list */
 654             bFound = FALSE;
 655             for(Index = 0; Index < USB_MAXCHILDREN; Index++)
 656             {
 657                 if (HubDeviceExtension->ChildDeviceObject[Index] == DeviceObject)
 658                 {
 659                      /* Remove the device */
 660                      Status = HubInterface->RemoveUsbDevice(HubDeviceExtension->UsbDInterface.BusContext, UsbChildExtension->UsbDeviceHandle, 0);
 661
 662                      /* FIXME handle error */
 663                      ASSERT(Status == STATUS_SUCCESS);
 664
 665                     /* remove us */
 666                     HubDeviceExtension->ChildDeviceObject[Index] = NULL;
 667                     bFound = TRUE;
 668                     break;
 669                 }
 670             }
 671
 672             /* Complete the IRP */
 673             Irp->IoStatus.Status = STATUS_SUCCESS;
 674             IoCompleteRequest(Irp, IO_NO_INCREMENT);
 675
 676             /* delete device */
 677             IoDeleteDevice(DeviceObject);
 678
 679             if (bFound)
 680             {
 681                 /* invalidate device relations */
 682                 IoInvalidateDeviceRelations(ParentDevice, BusRelations);
 683             }
 684
 685             return STATUS_SUCCESS;
 686         }
 687         case IRP_MN_QUERY_DEVICE_RELATIONS:
 688         {
 689             /* only target relations are supported */
 690             if (Stack->Parameters.QueryDeviceRelations.Type != TargetDeviceRelation)
 691             {
 692                 /* not supported */
 693                 Status = Irp->IoStatus.Status;
 694                 break;
 695             }
 696
 697             /* allocate device relations */
 698             DeviceRelation = (PDEVICE_RELATIONS)ExAllocatePool(NonPagedPool, sizeof(DEVICE_RELATIONS));
 699             if (!DeviceRelation)
 700             {
 701                 /* no memory */
 702                 Status = STATUS_INSUFFICIENT_RESOURCES;
 703                 break;
 704             }
 705
 706             /* init device relation */
 707             DeviceRelation->Count = 1;
 708             DeviceRelation->Objects[0] = DeviceObject;
 709             ObReferenceObject(DeviceRelation->Objects[0]);
 710
 711             /* store result */
 712             Irp->IoStatus.Information = (ULONG_PTR)DeviceRelation;
 713             Status = STATUS_SUCCESS;
 714             break;
 715         }
 716         case IRP_MN_QUERY_STOP_DEVICE:
 717         case IRP_MN_QUERY_REMOVE_DEVICE:
 718         {
 719             /* Sure, no problem */
 720             Status = STATUS_SUCCESS;
 721             Information = 0;
 722             break;
 723         }
 724         case IRP_MN_QUERY_INTERFACE:
 725         {
 726             DPRINT1("IRP_MN_QUERY_INTERFACE\n");
 727             if (IsEqualGUIDAligned(Stack->Parameters.QueryInterface.InterfaceType, &USB_BUS_INTERFACE_USBDI_GUID))
 728             {
 729                 DPRINT1("USB_BUS_INTERFACE_USBDI_GUID\n");
 730                 RtlCopyMemory(Stack->Parameters.QueryInterface.Interface, &UsbChildExtension->DeviceInterface, Stack->Parameters.QueryInterface.Size);
 731                 Status = STATUS_SUCCESS;
 732                 break;
 733             }
 734
 735             // pass irp down
 736             IoSkipCurrentIrpStackLocation(Irp);
 737             return IoCallDriver(UsbChildExtension->ParentDeviceObject, Irp);
 738         }
 739         case IRP_MN_SURPRISE_REMOVAL:
 740         {
 741             DPRINT("[USBHUB] HandlePnp IRP_MN_SURPRISE_REMOVAL\n");
 742             Status = STATUS_SUCCESS;
 743             break;
 744         }
 745         default:
 746         {
 747             DPRINT1("PDO IRP_MJ_PNP / unknown minor function 0x%lx\n", MinorFunction);
 748             Information = Irp->IoStatus.Information;
 749             Status = Irp->IoStatus.Status;
 750         }
 751     }
 752
 753     Irp->IoStatus.Information = Information;
 754     Irp->IoStatus.Status = Status;
 755     IoCompleteRequest(Irp, IO_NO_INCREMENT);
 756     return Status;
 757 }
 758