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 #include <wdmguid.h>
  15
  16 #define NDEBUG
  17 #include <debug.h>
  18
  19 #define IO_METHOD_FROM_CTL_CODE(ctlCode) (ctlCode&0x00000003)
  20
  21 NTSTATUS
  22 NTAPI
  23 UrbCompletion(
  24     PDEVICE_OBJECT DeviceObject,
  25     PIRP Irp,
  26     PVOID Context)
  27 {
  28     PIRP OriginalIrp;
  29     DPRINT("Entered Urb Completion\n");
  30
  31     //
  32     // Get the original Irp
  33     //
  34     OriginalIrp = (PIRP)Context;
  35
  36     //
  37     // Update it to match what was returned for the IRP that was passed to RootHub
  38     //
  39     OriginalIrp->IoStatus.Status = Irp->IoStatus.Status;
  40     OriginalIrp->IoStatus.Information = Irp->IoStatus.Information;
  41     DPRINT("Status %x, Information %x\n", Irp->IoStatus.Status, Irp->IoStatus.Information);
  42
  43     //
  44     // Complete the original Irp
  45     //
  46     IoCompleteRequest(OriginalIrp, IO_NO_INCREMENT);
  47
  48     //
  49     // Return this status so the IO Manager doesnt mess with the Irp
  50     //
  51     return STATUS_MORE_PROCESSING_REQUIRED;
  52 }
  53
  54 NTSTATUS
  55 FowardUrbToRootHub(
  56     PDEVICE_OBJECT RootHubDeviceObject,
  57     IN ULONG IoControlCode,
  58     PIRP Irp,
  59     OUT PVOID OutParameter1,
  60     OUT PVOID OutParameter2)
  61 {
  62     PIRP ForwardIrp;
  63     IO_STATUS_BLOCK IoStatus;
  64     PIO_STACK_LOCATION ForwardStack, CurrentStack;
  65     PURB Urb;
  66
  67     //
  68     // Get the current stack location for the Irp
  69     //
  70     CurrentStack = IoGetCurrentIrpStackLocation(Irp);
  71     ASSERT(CurrentStack);
  72
  73     //
  74     // Pull the Urb from that stack, it will be reused in the Irp sent to RootHub
  75     //
  76     Urb = (PURB)CurrentStack->Parameters.Others.Argument1;
  77     ASSERT(Urb);
  78
  79     //
  80     // Create the Irp to forward to RootHub
  81     //
  82     ForwardIrp = IoBuildAsynchronousFsdRequest(IRP_MJ_SHUTDOWN,
  83                                                RootHubDeviceObject,
  84                                                NULL,
  85                                                0,
  86                                                0,
  87                                                &IoStatus);
  88     if (!ForwardIrp)
  89     {
  90         DPRINT1("Failed to allocate IRP\n");
  91         return STATUS_INSUFFICIENT_RESOURCES;
  92     }
  93
  94     //
  95     // Get the new Irps next stack
  96     //
  97     ForwardStack = IoGetNextIrpStackLocation(ForwardIrp);
  98
  99     //
 100     // Copy the stack for the current irp into the next stack of new irp
 101     //
 102     RtlCopyMemory(ForwardStack, CurrentStack, sizeof(IO_STACK_LOCATION));
 103
 104     IoStatus.Status = STATUS_NOT_SUPPORTED;
 105     IoStatus.Information = 0;
 106
 107     //
 108     // Mark the Irp from upper driver as pending
 109     //
 110     IoMarkIrpPending(Irp);
 111
 112     //
 113     // Now set the completion routine for the new Irp.
 114     //
 115     IoSetCompletionRoutine(ForwardIrp,
 116                            UrbCompletion,
 117                            Irp,
 118                            TRUE,
 119                            TRUE,
 120                            TRUE);
 121
 122     IoCallDriver(RootHubDeviceObject, ForwardIrp);
 123
 124     //
 125     // Always return pending as the completion routine will take care of it
 126     //
 127     return STATUS_PENDING;
 128 }
 129
 130 BOOLEAN
 131 IsValidPDO(
 132     IN PDEVICE_OBJECT DeviceObject)
 133 {
 134     ULONG Index;
 135     PHUB_DEVICE_EXTENSION HubDeviceExtension;
 136     PHUB_CHILDDEVICE_EXTENSION ChildDeviceExtension;
 137
 138
 139     ChildDeviceExtension = (PHUB_CHILDDEVICE_EXTENSION)DeviceObject->DeviceExtension;
 140     ASSERT(ChildDeviceExtension->Common.IsFDO == FALSE);
 141     HubDeviceExtension = (PHUB_DEVICE_EXTENSION)ChildDeviceExtension->ParentDeviceObject->DeviceExtension;
 142
 143     for(Index = 0; Index < USB_MAXCHILDREN; Index++)
 144     {
 145         if (HubDeviceExtension->ChildDeviceObject[Index] == DeviceObject)
 146         {
 147             /* PDO exists */
 148             return TRUE;
 149         }
 150     }
 151
 152     /* invalid pdo */
 153     return FALSE;
 154 }
 155
 156
 157 NTSTATUS
 158 USBHUB_PdoHandleInternalDeviceControl(
 159     IN PDEVICE_OBJECT DeviceObject,
 160     IN PIRP Irp)
 161 {
 162     NTSTATUS Status;
 163     PIO_STACK_LOCATION Stack;
 164     ULONG_PTR Information = 0;
 165     PHUB_DEVICE_EXTENSION HubDeviceExtension;
 166     PHUB_CHILDDEVICE_EXTENSION ChildDeviceExtension;
 167     PDEVICE_OBJECT RootHubDeviceObject;
 168     PURB Urb;
 169
 170     //DPRINT1("UsbhubInternalDeviceControlPdo(%x) called\n", DeviceObject);
 171
 172     //
 173     // get current stack location
 174     //
 175     Stack = IoGetCurrentIrpStackLocation(Irp);
 176     ASSERT(Stack);
 177
 178     //
 179     // Set default status
 180     //
 181     Status = Irp->IoStatus.Status;
 182
 183     ChildDeviceExtension = (PHUB_CHILDDEVICE_EXTENSION)DeviceObject->DeviceExtension;
 184     ASSERT(ChildDeviceExtension->Common.IsFDO == FALSE);
 185     HubDeviceExtension = (PHUB_DEVICE_EXTENSION)ChildDeviceExtension->ParentDeviceObject->DeviceExtension;
 186     RootHubDeviceObject = HubDeviceExtension->RootHubPhysicalDeviceObject;
 187
 188     if(!IsValidPDO(DeviceObject))
 189     {
 190         DPRINT1("[USBHUB] Request for removed device object %p\n", DeviceObject);
 191         Irp->IoStatus.Status = STATUS_DEVICE_NOT_CONNECTED;
 192         Irp->IoStatus.Information = 0;
 193         IoCompleteRequest(Irp, IO_NO_INCREMENT);
 194         return STATUS_DEVICE_NOT_CONNECTED;
 195     }
 196
 197     switch (Stack->Parameters.DeviceIoControl.IoControlCode)
 198     {
 199         case IOCTL_INTERNAL_USB_GET_PARENT_HUB_INFO:
 200         {
 201             DPRINT("IOCTL_INTERNAL_USB_GET_PARENT_HUB_INFO\n");
 202             if (Irp->AssociatedIrp.SystemBuffer == NULL
 203                 || Stack->Parameters.DeviceIoControl.OutputBufferLength != sizeof(PVOID))
 204             {
 205                 Status = STATUS_INVALID_PARAMETER;
 206             }
 207             else
 208             {
 209                 PVOID* pHubPointer;
 210
 211                 pHubPointer = (PVOID*)Irp->AssociatedIrp.SystemBuffer;
 212                 // FIXME
 213                 *pHubPointer = NULL;
 214                 Information = sizeof(PVOID);
 215                 Status = STATUS_SUCCESS;
 216             }
 217             break;
 218         }
 219         case IOCTL_INTERNAL_USB_SUBMIT_URB:
 220         {
 221             //DPRINT1("IOCTL_INTERNAL_USB_SUBMIT_URB\n");
 222
 223             //
 224             // Get the Urb
 225             //
 226             Urb = (PURB)Stack->Parameters.Others.Argument1;
 227             ASSERT(Urb);
 228
 229             //
 230             // Set the real device handle
 231             //
 232             //DPRINT("UsbdDeviceHandle %x, ChildDeviceHandle %x\n", Urb->UrbHeader.UsbdDeviceHandle, ChildDeviceExtension->UsbDeviceHandle);
 233
 234             Urb->UrbHeader.UsbdDeviceHandle = ChildDeviceExtension->UsbDeviceHandle;
 235
 236             //
 237             // Submit to RootHub
 238             //
 239             switch (Urb->UrbHeader.Function)
 240             {
 241                 //
 242                 // Debugging only
 243                 //
 244                 case URB_FUNCTION_GET_DESCRIPTOR_FROM_DEVICE:
 245                     DPRINT("URB_FUNCTION_GET_DESCRIPTOR_FROM_DEVICE\n");
 246                     break;
 247                 case URB_FUNCTION_CLASS_DEVICE:
 248                     DPRINT("URB_FUNCTION_CLASS_DEVICE\n");
 249                     break;
 250                 case URB_FUNCTION_GET_STATUS_FROM_DEVICE:
 251                     DPRINT("URB_FUNCTION_GET_STATUS_FROM_DEVICE\n");
 252                     break;
 253                 case URB_FUNCTION_SELECT_CONFIGURATION:
 254                     DPRINT("URB_FUNCTION_SELECT_CONFIGURATION\n");
 255                     break;
 256                 case URB_FUNCTION_SELECT_INTERFACE:
 257                     DPRINT("URB_FUNCTION_SELECT_INTERFACE\n");
 258                     break;
 259                 case URB_FUNCTION_CLASS_OTHER:
 260                     DPRINT("URB_FUNCTION_CLASS_OTHER\n");
 261                     break;
 262                 case URB_FUNCTION_BULK_OR_INTERRUPT_TRANSFER:
 263                 {
 264                 /*
 265                     DPRINT1("URB_FUNCTION_BULK_OR_INTERRUPT_TRANSFER\n");
 266                     DPRINT1("PipeHandle %x\n", Urb->UrbBulkOrInterruptTransfer.PipeHandle);
 267                     DPRINT1("TransferFlags %x\n", Urb->UrbBulkOrInterruptTransfer.TransferFlags);
 268                     DPRINT1("Buffer %x\n", Urb->UrbBulkOrInterruptTransfer.TransferBuffer);
 269                     DPRINT1("BufferMDL %x\n", Urb->UrbBulkOrInterruptTransfer.TransferBufferMDL);
 270                     DPRINT1("Length %x\n", Urb->UrbBulkOrInterruptTransfer.TransferBufferLength);
 271                     DPRINT1("UrbLink %x\n", Urb->UrbBulkOrInterruptTransfer.UrbLink);
 272                     DPRINT1("hca %x\n", Urb->UrbBulkOrInterruptTransfer.hca);
 273                     if (Urb->UrbBulkOrInterruptTransfer.TransferFlags == USBD_SHORT_TRANSFER_OK)
 274                     {
 275                     }
 276                 */
 277                     break;
 278
 279                 }
 280                 case URB_FUNCTION_CLASS_INTERFACE:
 281                     DPRINT("URB_FUNCTION_CLASS_INTERFACE\n");
 282                     break;
 283                 case URB_FUNCTION_VENDOR_DEVICE:
 284                     DPRINT("URB_FUNCTION_VENDOR_DEVICE\n");
 285                     break;
 286                 default:
 287                     DPRINT1("IOCTL_INTERNAL_USB_SUBMIT_URB Function %x NOT IMPLEMENTED\n", Urb->UrbHeader.Function);
 288                     break;
 289             }
 290             Urb->UrbHeader.UsbdDeviceHandle = ChildDeviceExtension->UsbDeviceHandle;
 291             //DPRINT1("Stack->CompletionRoutine %x\n", Stack->CompletionRoutine);
 292             //
 293             // Send the request to RootHub
 294             //
 295             Status = FowardUrbToRootHub(RootHubDeviceObject, IOCTL_INTERNAL_USB_SUBMIT_URB, Irp, Urb, NULL);
 296             return Status;
 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
 501     DeviceTextType = IoGetCurrentIrpStackLocation(Irp)->Parameters.QueryDeviceText.DeviceTextType;
 502     ChildDeviceExtension = (PHUB_CHILDDEVICE_EXTENSION)DeviceObject->DeviceExtension;
 503
 504     //
 505     // FIXME: LocaleId
 506     //
 507
 508     switch (DeviceTextType)
 509     {
 510         case DeviceTextDescription:
 511         case DeviceTextLocationInformation:
 512         {
 513             DPRINT("IRP_MJ_PNP / IRP_MN_QUERY_DEVICE_TEXT / DeviceTextDescription\n");
 514
 515             //
 516             // does the device provide a text description
 517             //
 518             if (ChildDeviceExtension->usTextDescription.Buffer && ChildDeviceExtension->usTextDescription.Length)
 519             {
 520                 //
 521                 // use device text
 522                 //
 523                 SourceString = &ChildDeviceExtension->usTextDescription;
 524             }
 525             break;
 526         }
 527         default:
 528         {
 529             DPRINT1("IRP_MJ_PNP / IRP_MN_QUERY_DEVICE_TEXT / unknown device text type 0x%lx\n", DeviceTextType);
 530             Status = STATUS_NOT_SUPPORTED;
 531             break;
 532         }
 533     }
 534
 535     if (SourceString)
 536     {
 537         ReturnString = ExAllocatePool(PagedPool, SourceString->MaximumLength);
 538         RtlCopyMemory(ReturnString, SourceString->Buffer, SourceString->MaximumLength);
 539         DPRINT1("%S\n", ReturnString);
 540         *Information = (ULONG_PTR)ReturnString;
 541     }
 542
 543     return Status;
 544 }
 545
 546 NTSTATUS
 547 USBHUB_PdoHandlePnp(
 548     IN PDEVICE_OBJECT DeviceObject,
 549     IN PIRP Irp)
 550 {
 551     NTSTATUS Status;
 552     ULONG MinorFunction;
 553     PIO_STACK_LOCATION Stack;
 554     ULONG_PTR Information = 0;
 555     PHUB_CHILDDEVICE_EXTENSION UsbChildExtension;
 556     ULONG Index;
 557     ULONG bFound;
 558     PDEVICE_RELATIONS DeviceRelation;
 559     PDEVICE_OBJECT ParentDevice;
 560
 561     UsbChildExtension = (PHUB_CHILDDEVICE_EXTENSION)DeviceObject->DeviceExtension;
 562     Stack = IoGetCurrentIrpStackLocation(Irp);
 563     MinorFunction = Stack->MinorFunction;
 564
 565     switch (MinorFunction)
 566     {
 567         case IRP_MN_START_DEVICE:
 568         {
 569             DPRINT("IRP_MJ_PNP / IRP_MN_START_DEVICE\n");
 570             Status = USBHUB_PdoStartDevice(DeviceObject, Irp);
 571             break;
 572         }
 573         case IRP_MN_QUERY_CAPABILITIES:
 574         {
 575             PDEVICE_CAPABILITIES DeviceCapabilities;
 576             ULONG i;
 577             DPRINT("IRP_MJ_PNP / IRP_MN_QUERY_CAPABILITIES\n");
 578
 579             DeviceCapabilities = (PDEVICE_CAPABILITIES)Stack->Parameters.DeviceCapabilities.Capabilities;
 580             // FIXME: capabilities can change with connected device
 581             DeviceCapabilities->LockSupported = FALSE;
 582             DeviceCapabilities->EjectSupported = FALSE;
 583             DeviceCapabilities->Removable = TRUE;
 584             DeviceCapabilities->DockDevice = FALSE;
 585             DeviceCapabilities->UniqueID = FALSE;
 586             DeviceCapabilities->SilentInstall = FALSE;
 587             DeviceCapabilities->RawDeviceOK = FALSE;
 588             DeviceCapabilities->SurpriseRemovalOK = FALSE;
 589             DeviceCapabilities->HardwareDisabled = FALSE;
 590             //DeviceCapabilities->NoDisplayInUI = FALSE;
 591             DeviceCapabilities->Address = UsbChildExtension->PortNumber;
 592             DeviceCapabilities->UINumber = 0;
 593             DeviceCapabilities->DeviceState[0] = PowerDeviceD0;
 594             for (i = 1; i < PowerSystemMaximum; i++)
 595                 DeviceCapabilities->DeviceState[i] = PowerDeviceD3;
 596             //DeviceCapabilities->DeviceWake = PowerDeviceUndefined;
 597             DeviceCapabilities->D1Latency = 0;
 598             DeviceCapabilities->D2Latency = 0;
 599             DeviceCapabilities->D3Latency = 0;
 600             Status = STATUS_SUCCESS;
 601             break;
 602         }
 603         case IRP_MN_QUERY_RESOURCES:
 604         {
 605             DPRINT("IRP_MJ_PNP / IRP_MN_QUERY_RESOURCES\n");
 606
 607             Information = Irp->IoStatus.Information;
 608             Status = Irp->IoStatus.Status;
 609             break;
 610         }
 611         case IRP_MN_QUERY_RESOURCE_REQUIREMENTS:
 612         {
 613             DPRINT("IRP_MJ_PNP / IRP_MN_QUERY_RESOURCE_REQUIREMENTS\n");
 614
 615             Information = Irp->IoStatus.Information;
 616             Status = Irp->IoStatus.Status;
 617             break;
 618         }
 619         case IRP_MN_QUERY_DEVICE_TEXT:
 620         {
 621             Status = USBHUB_PdoQueryDeviceText(DeviceObject, Irp, &Information);
 622             break;
 623         }
 624         case IRP_MN_QUERY_ID:
 625         {
 626             Status = USBHUB_PdoQueryId(DeviceObject, Irp, &Information);
 627             break;
 628         }
 629         case IRP_MN_QUERY_BUS_INFORMATION:
 630         {
 631             PPNP_BUS_INFORMATION BusInfo;
 632             BusInfo = (PPNP_BUS_INFORMATION)ExAllocatePool(PagedPool, sizeof(PNP_BUS_INFORMATION));
 633             RtlCopyMemory(&BusInfo->BusTypeGuid,
 634                           &GUID_BUS_TYPE_USB,
 635                           sizeof(BusInfo->BusTypeGuid));
 636             BusInfo->LegacyBusType = PNPBus;
 637             // FIXME
 638             BusInfo->BusNumber = 0;
 639             Information = (ULONG_PTR)BusInfo;
 640             Status = STATUS_SUCCESS;
 641             break;
 642         }
 643         case IRP_MN_REMOVE_DEVICE:
 644         {
 645             PHUB_DEVICE_EXTENSION HubDeviceExtension = (PHUB_DEVICE_EXTENSION)UsbChildExtension->ParentDeviceObject->DeviceExtension;
 646             PUSB_BUS_INTERFACE_HUB_V5 HubInterface = &HubDeviceExtension->HubInterface;
 647             ParentDevice = UsbChildExtension->ParentDeviceObject;
 648
 649             DPRINT("IRP_MJ_PNP / IRP_MN_REMOVE_DEVICE\n");
 650
 651             /* remove us from pdo list */
 652             bFound = FALSE;
 653             for(Index = 0; Index < USB_MAXCHILDREN; Index++)
 654             {
 655                 if (HubDeviceExtension->ChildDeviceObject[Index] == DeviceObject)
 656                 {
 657                      /* Remove the device */
 658                      Status = HubInterface->RemoveUsbDevice(HubDeviceExtension->UsbDInterface.BusContext, UsbChildExtension->UsbDeviceHandle, 0);
 659
 660                      /* FIXME handle error */
 661                      ASSERT(Status == STATUS_SUCCESS);
 662
 663                     /* remove us */
 664                     HubDeviceExtension->ChildDeviceObject[Index] = NULL;
 665                     bFound = TRUE;
 666                     break;
 667                 }
 668             }
 669
 670             /* Complete the IRP */
 671             Irp->IoStatus.Status = STATUS_SUCCESS;
 672             IoCompleteRequest(Irp, IO_NO_INCREMENT);
 673
 674             /* delete device */
 675             IoDeleteDevice(DeviceObject);
 676
 677             if (bFound)
 678             {
 679                 /* invalidate device relations */
 680                 IoInvalidateDeviceRelations(ParentDevice, BusRelations);
 681             }
 682
 683             return STATUS_SUCCESS;
 684         }
 685         case IRP_MN_QUERY_DEVICE_RELATIONS:
 686         {
 687             /* only target relations are supported */
 688             if (Stack->Parameters.QueryDeviceRelations.Type != TargetDeviceRelation)
 689             {
 690                 /* not supported */
 691                 Status = Irp->IoStatus.Status;
 692                 break;
 693             }
 694
 695             /* allocate device relations */
 696             DeviceRelation = (PDEVICE_RELATIONS)ExAllocatePool(NonPagedPool, sizeof(DEVICE_RELATIONS));
 697             if (!DeviceRelation)
 698             {
 699                 /* no memory */
 700                 Status = STATUS_INSUFFICIENT_RESOURCES;
 701                 break;
 702             }
 703
 704             /* init device relation */
 705             DeviceRelation->Count = 1;
 706             DeviceRelation->Objects[0] = DeviceObject;
 707             ObReferenceObject(DeviceRelation->Objects[0]);
 708
 709             /* store result */
 710             Irp->IoStatus.Information = (ULONG_PTR)DeviceRelation;
 711             Status = STATUS_SUCCESS;
 712             break;
 713         }
 714         case IRP_MN_QUERY_STOP_DEVICE:
 715         case IRP_MN_QUERY_REMOVE_DEVICE:
 716         {
 717             /* Sure, no problem */
 718             Status = STATUS_SUCCESS;
 719             Information = 0;
 720             break;
 721         }
 722         case IRP_MN_QUERY_INTERFACE:
 723         {
 724             DPRINT1("IRP_MN_QUERY_INTERFACE\n");
 725             if (IsEqualGUIDAligned(Stack->Parameters.QueryInterface.InterfaceType, &USB_BUS_INTERFACE_USBDI_GUID))
 726             {
 727                 DPRINT1("USB_BUS_INTERFACE_USBDI_GUID\n");
 728                 RtlCopyMemory(Stack->Parameters.QueryInterface.Interface, &UsbChildExtension->DeviceInterface, Stack->Parameters.QueryInterface.Size);
 729                 Status = STATUS_SUCCESS;
 730                 break;
 731             }
 732
 733             // pass irp down
 734             IoSkipCurrentIrpStackLocation(Irp);
 735             return IoCallDriver(UsbChildExtension->ParentDeviceObject, Irp);
 736         }
 737         case IRP_MN_SURPRISE_REMOVAL:
 738         {
 739             DPRINT("[USBHUB] HandlePnp IRP_MN_SURPRISE_REMOVAL\n");
 740             Status = STATUS_SUCCESS;
 741             break;
 742         }
 743         default:
 744         {
 745             DPRINT1("PDO IRP_MJ_PNP / unknown minor function 0x%lx\n", MinorFunction);
 746             Information = Irp->IoStatus.Information;
 747             Status = Irp->IoStatus.Status;
 748         }
 749     }
 750
 751     Irp->IoStatus.Information = Information;
 752     Irp->IoStatus.Status = Status;
 753     IoCompleteRequest(Irp, IO_NO_INCREMENT);
 754     return Status;
 755 }
 756