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[HDAUDBUS] Split FDO/PDO PNP handling into separate functions.
This commit is contained in:
Thomas Faber
parent
b65ec6ffba
commit
9c7c2deff9
1 changed files with 131 additions and 102 deletions
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@ -86,125 +86,37 @@ HDA_SyncForwardIrp(
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}
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NTSTATUS
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NTAPI
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HDA_Pnp(
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HDA_FdoPnp(
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_In_ PDEVICE_OBJECT DeviceObject,
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_Inout_ PIRP Irp)
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{
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NTSTATUS Status = STATUS_NOT_SUPPORTED;
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NTSTATUS Status;
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PIO_STACK_LOCATION IoStack;
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PDEVICE_RELATIONS DeviceRelation;
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PHDA_FDO_DEVICE_EXTENSION FDODeviceExtension;
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//PHDA_PDO_DEVICE_EXTENSION ChildDeviceExtension;
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FDODeviceExtension = (PHDA_FDO_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
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//ChildDeviceExtension = (PHDA_PDO_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
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FDODeviceExtension = static_cast<PHDA_FDO_DEVICE_EXTENSION>(DeviceObject->DeviceExtension);
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IoStack = IoGetCurrentIrpStackLocation(Irp);
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if (FDODeviceExtension->IsFDO)
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if (IoStack->MinorFunction == IRP_MN_START_DEVICE)
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{
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if (IoStack->MinorFunction == IRP_MN_START_DEVICE)
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Status = HDA_FDOStartDevice(DeviceObject, Irp);
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}
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else if (IoStack->MinorFunction == IRP_MN_QUERY_DEVICE_RELATIONS)
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{
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/* handle bus device relations */
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if (IoStack->Parameters.QueryDeviceRelations.Type == BusRelations)
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{
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Status = HDA_FDOStartDevice(DeviceObject, Irp);
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Status = HDA_FDOQueryBusRelations(DeviceObject, Irp);
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}
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else if (IoStack->MinorFunction == IRP_MN_QUERY_DEVICE_RELATIONS)
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{
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/* handle bus device relations */
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if (IoStack->Parameters.QueryDeviceRelations.Type == BusRelations)
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{
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Status = HDA_FDOQueryBusRelations(DeviceObject, Irp);
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}
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else
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{
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Status = Irp->IoStatus.Status;
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}
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}
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else
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{
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/* get default status */
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Status = Irp->IoStatus.Status;
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}
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}
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else
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{
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if (IoStack->MinorFunction == IRP_MN_START_DEVICE)
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{
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/* no op for pdo */
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Status = STATUS_SUCCESS;
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}
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else if (IoStack->MinorFunction == IRP_MN_QUERY_BUS_INFORMATION)
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{
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/* query bus information */
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Status = HDA_PDOQueryBusInformation(Irp);
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}
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else if (IoStack->MinorFunction == IRP_MN_QUERY_PNP_DEVICE_STATE)
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{
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/* query pnp state */
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Status = HDA_PDOQueryBusDevicePnpState(Irp);
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}
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else if (IoStack->MinorFunction == IRP_MN_QUERY_DEVICE_RELATIONS)
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{
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if (IoStack->Parameters.QueryDeviceRelations.Type == TargetDeviceRelation)
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{
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/* handle target device relations */
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ASSERT(IoStack->Parameters.QueryDeviceRelations.Type == TargetDeviceRelation);
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ASSERT(Irp->IoStatus.Information == 0);
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/* allocate device relation */
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DeviceRelation = (PDEVICE_RELATIONS)AllocateItem(PagedPool, sizeof(DEVICE_RELATIONS));
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if (DeviceRelation)
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{
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DeviceRelation->Count = 1;
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DeviceRelation->Objects[0] = DeviceObject;
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/* reference self */
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ObReferenceObject(DeviceObject);
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/* store result */
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Irp->IoStatus.Information = (ULONG_PTR)DeviceRelation;
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/* done */
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Status = STATUS_SUCCESS;
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}
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else
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{
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/* no memory */
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Status = STATUS_INSUFFICIENT_RESOURCES;
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}
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}
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}
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else if (IoStack->MinorFunction == IRP_MN_QUERY_CAPABILITIES)
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{
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/* query capabilities */
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Status = HDA_PDOQueryBusDeviceCapabilities(Irp);
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}
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else if (IoStack->MinorFunction == IRP_MN_QUERY_RESOURCE_REQUIREMENTS)
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{
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/* no op */
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Status = STATUS_SUCCESS;
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}
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else if (IoStack->MinorFunction == IRP_MN_QUERY_RESOURCES)
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{
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/* no op */
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Status = STATUS_SUCCESS;
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}
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else if (IoStack->MinorFunction == IRP_MN_QUERY_ID)
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{
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Status = HDA_PDOQueryId(DeviceObject, Irp);
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}
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else if (IoStack->MinorFunction == IRP_MN_QUERY_DEVICE_TEXT)
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{
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Status = HDA_PDOHandleQueryDeviceText(Irp);
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}
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else if (IoStack->MinorFunction == IRP_MN_QUERY_INTERFACE)
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{
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Status = HDA_PDOHandleQueryInterface(DeviceObject, Irp);
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}
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else
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{
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/* get default status */
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Status = Irp->IoStatus.Status;
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}
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/* get default status */
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Status = Irp->IoStatus.Status;
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}
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Irp->IoStatus.Status = Status;
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@ -213,6 +125,123 @@ HDA_Pnp(
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return Status;
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}
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NTSTATUS
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HDA_PdoPnp(
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_In_ PDEVICE_OBJECT DeviceObject,
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_Inout_ PIRP Irp)
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{
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NTSTATUS Status;
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PIO_STACK_LOCATION IoStack;
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PDEVICE_RELATIONS DeviceRelation;
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IoStack = IoGetCurrentIrpStackLocation(Irp);
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if (IoStack->MinorFunction == IRP_MN_START_DEVICE)
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{
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/* no op for pdo */
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Status = STATUS_SUCCESS;
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}
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else if (IoStack->MinorFunction == IRP_MN_QUERY_BUS_INFORMATION)
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{
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/* query bus information */
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Status = HDA_PDOQueryBusInformation(Irp);
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}
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else if (IoStack->MinorFunction == IRP_MN_QUERY_PNP_DEVICE_STATE)
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{
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/* query pnp state */
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Status = HDA_PDOQueryBusDevicePnpState(Irp);
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}
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else if (IoStack->MinorFunction == IRP_MN_QUERY_DEVICE_RELATIONS)
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{
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if (IoStack->Parameters.QueryDeviceRelations.Type == TargetDeviceRelation)
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{
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/* handle target device relations */
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ASSERT(IoStack->Parameters.QueryDeviceRelations.Type == TargetDeviceRelation);
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ASSERT(Irp->IoStatus.Information == 0);
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/* allocate device relation */
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DeviceRelation = (PDEVICE_RELATIONS)AllocateItem(PagedPool, sizeof(DEVICE_RELATIONS));
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if (DeviceRelation)
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{
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DeviceRelation->Count = 1;
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DeviceRelation->Objects[0] = DeviceObject;
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/* reference self */
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ObReferenceObject(DeviceObject);
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/* store result */
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Irp->IoStatus.Information = (ULONG_PTR)DeviceRelation;
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/* done */
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Status = STATUS_SUCCESS;
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}
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else
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{
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/* no memory */
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Status = STATUS_INSUFFICIENT_RESOURCES;
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}
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}
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}
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else if (IoStack->MinorFunction == IRP_MN_QUERY_CAPABILITIES)
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{
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/* query capabilities */
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Status = HDA_PDOQueryBusDeviceCapabilities(Irp);
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}
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else if (IoStack->MinorFunction == IRP_MN_QUERY_RESOURCE_REQUIREMENTS)
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{
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/* no op */
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Status = STATUS_SUCCESS;
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}
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else if (IoStack->MinorFunction == IRP_MN_QUERY_RESOURCES)
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{
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/* no op */
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Status = STATUS_SUCCESS;
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}
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else if (IoStack->MinorFunction == IRP_MN_QUERY_ID)
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{
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Status = HDA_PDOQueryId(DeviceObject, Irp);
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}
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else if (IoStack->MinorFunction == IRP_MN_QUERY_DEVICE_TEXT)
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{
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Status = HDA_PDOHandleQueryDeviceText(Irp);
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}
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else if (IoStack->MinorFunction == IRP_MN_QUERY_INTERFACE)
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{
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Status = HDA_PDOHandleQueryInterface(DeviceObject, Irp);
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}
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else
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{
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/* get default status */
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Status = Irp->IoStatus.Status;
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}
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Irp->IoStatus.Status = Status;
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IoCompleteRequest(Irp, IO_NO_INCREMENT);
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return Status;
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}
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NTSTATUS
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NTAPI
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HDA_Pnp(
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_In_ PDEVICE_OBJECT DeviceObject,
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_Inout_ PIRP Irp)
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{
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PHDA_FDO_DEVICE_EXTENSION FDODeviceExtension;
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FDODeviceExtension = static_cast<PHDA_FDO_DEVICE_EXTENSION>(DeviceObject->DeviceExtension);
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if (FDODeviceExtension->IsFDO)
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{
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return HDA_FdoPnp(DeviceObject, Irp);
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}
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else
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{
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return HDA_PdoPnp(DeviceObject, Irp);
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}
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}
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NTSTATUS
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NTAPI
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HDA_AddDevice(
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