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[USB-BRINGUP]
- Fix a few bugs & race condition in the read report routine - mouhid initializes and is able to read input reports - button press / wheel state change is detected - mouse move detection not yet working svn path=/branches/usb-bringup/; revision=54774
This commit is contained in:
Johannes Anderwald
parent
012eac6d8f
commit
b27438e17d
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@ -30,16 +30,12 @@ static USHORT MouHid_ButtonUpFlags[] =
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VOID
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MouHid_GetButtonMove(
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IN PDEVICE_OBJECT DeviceObject,
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IN PMOUHID_DEVICE_EXTENSION DeviceExtension,
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OUT PLONG LastX,
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OUT PLONG LastY)
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{
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PMOUHID_DEVICE_EXTENSION DeviceExtension;
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NTSTATUS Status;
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/* get device extension */
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DeviceExtension = (PMOUHID_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
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/* init result */
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*LastX = 0;
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*LastY = 0;
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@ -59,19 +55,15 @@ MouHid_GetButtonMove(
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VOID
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MouHid_GetButtonFlags(
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IN PDEVICE_OBJECT DeviceObject,
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IN PMOUHID_DEVICE_EXTENSION DeviceExtension,
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OUT PUSHORT ButtonFlags)
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{
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PMOUHID_DEVICE_EXTENSION DeviceExtension;
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NTSTATUS Status;
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USAGE Usage;
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ULONG Index;
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PUSAGE TempList;
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ULONG CurrentUsageListLength;
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/* get device extension */
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DeviceExtension = (PMOUHID_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
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/* init flags */
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*ButtonFlags = 0;
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@ -142,15 +134,14 @@ MouHid_GetButtonFlags(
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VOID
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MouHid_DispatchInputData(
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IN PDEVICE_OBJECT DeviceObject,
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IN PMOUHID_DEVICE_EXTENSION DeviceExtension,
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IN PMOUSE_INPUT_DATA InputData)
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{
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PMOUHID_DEVICE_EXTENSION DeviceExtension;
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KIRQL OldIrql;
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ULONG InputDataConsumed;
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/* get device extension */
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DeviceExtension = (PMOUHID_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
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if (!DeviceExtension->ClassService)
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return;
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/* sanity check */
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ASSERT(DeviceExtension->ClassService);
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@ -181,13 +172,32 @@ MouHid_ReadCompletion(
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MOUSE_INPUT_DATA MouseInputData;
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/* get device extension */
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DeviceExtension = (PMOUHID_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
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DeviceExtension = (PMOUHID_DEVICE_EXTENSION)Context;
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if (Irp->IoStatus.Status == STATUS_PRIVILEGE_NOT_HELD ||
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Irp->IoStatus.Status == STATUS_DEVICE_NOT_CONNECTED ||
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Irp->IoStatus.Status == STATUS_CANCELLED ||
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DeviceExtension->StopReadReport)
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{
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/* failed to read or should be stopped*/
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DPRINT1("[MOUHID] ReadCompletion terminating read Status %x\n", Irp->IoStatus.Status);
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/* report no longer active */
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DeviceExtension->ReadReportActive = FALSE;
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/* request stopping of the report cycle */
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DeviceExtension->StopReadReport = FALSE;
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/* signal completion event */
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KeSetEvent(&DeviceExtension->ReadCompletionEvent, 0, 0);
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return STATUS_MORE_PROCESSING_REQUIRED;
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}
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/* get mouse change flags */
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MouHid_GetButtonFlags(DeviceObject, &ButtonFlags);
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MouHid_GetButtonFlags(DeviceExtension, &ButtonFlags);
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/* get mouse change */
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MouHid_GetButtonMove(DeviceObject, &LastX, &LastY);
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MouHid_GetButtonMove(DeviceExtension, &LastX, &LastY);
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/* init input data */
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RtlZeroMemory(&MouseInputData, sizeof(MOUSE_INPUT_DATA));
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@ -215,11 +225,13 @@ MouHid_ReadCompletion(
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}
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}
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DPRINT1("[MOUHID] LastX %lu LastY %lu Flags %x ButtonData %x\n", MouseInputData.LastX, MouseInputData.LastY, MouseInputData.ButtonFlags, MouseInputData.ButtonData);
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/* dispatch mouse action */
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MouHid_DispatchInputData(DeviceObject, &MouseInputData);
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MouHid_DispatchInputData(DeviceExtension, &MouseInputData);
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/* re-init read */
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MouHid_InitiateRead(DeviceObject);
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MouHid_InitiateRead(DeviceExtension);
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/* stop completion */
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return STATUS_MORE_PROCESSING_REQUIRED;
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@ -227,15 +239,11 @@ MouHid_ReadCompletion(
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NTSTATUS
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MouHid_InitiateRead(
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IN PDEVICE_OBJECT DeviceObject)
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IN PMOUHID_DEVICE_EXTENSION DeviceExtension)
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{
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PMOUHID_DEVICE_EXTENSION DeviceExtension;
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PIO_STACK_LOCATION IoStack;
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NTSTATUS Status;
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/* get device extension */
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DeviceExtension = (PMOUHID_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
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/* re-use irp */
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IoReuseIrp(DeviceExtension->Irp, STATUS_SUCCESS);
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@ -255,6 +263,9 @@ MouHid_InitiateRead(
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/* set completion routine */
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IoSetCompletionRoutine(DeviceExtension->Irp, MouHid_ReadCompletion, DeviceExtension, TRUE, TRUE, TRUE);
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/* read is active */
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DeviceExtension->ReadReportActive = TRUE;
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/* start the read */
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Status = IoCallDriver(DeviceExtension->NextDeviceObject, DeviceExtension->Irp);
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@ -323,18 +334,23 @@ MouHid_Create(
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if (DeviceExtension->FileObject == NULL)
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{
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/* did the caller specify correct attributes */
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if (IoStack->Parameters.Create.FileAttributes & FILE_ATTRIBUTE_READONLY)
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ASSERT(IoStack->Parameters.Create.SecurityContext);
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if (IoStack->Parameters.Create.SecurityContext->DesiredAccess)
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{
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/* store file object */
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DeviceExtension->FileObject = IoStack->FileObject;
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/* reset event */
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KeResetEvent(&DeviceExtension->ReadCompletionEvent);
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/* initiating read */
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Status = MouHid_InitiateRead(DeviceObject);
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}
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else
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{
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/* wrong mode */
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DPRINT1("MOUHID: wrong attributes: %x\n", IoStack->Parameters.Create.FileAttributes);
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Status = MouHid_InitiateRead(DeviceExtension);
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DPRINT1("[MOUHID] MouHid_InitiateRead: status %x\n", Status);
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if (Status == STATUS_PENDING)
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{
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/* report irp is pending */
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Status = STATUS_SUCCESS;
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}
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}
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}
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@ -356,7 +372,21 @@ MouHid_Close(
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/* get device extension */
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DeviceExtension = (PMOUHID_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
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/* FIXME: cancel irp */
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DPRINT("[MOUHID] IRP_MJ_CLOSE ReadReportActive %x\n", DeviceExtension->ReadReportActive);
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if (DeviceExtension->ReadReportActive)
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{
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/* request stopping of the report cycle */
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DeviceExtension->StopReadReport = TRUE;
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/* wait until the reports have been read */
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KeWaitForSingleObject(&DeviceExtension->ReadCompletionEvent, Executive, KernelMode, FALSE, NULL);
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/* cancel irp */
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IoCancelIrp(DeviceExtension->Irp);
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}
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DPRINT("[MOUHID] IRP_MJ_CLOSE ReadReportActive %x\n", DeviceExtension->ReadReportActive);
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/* remove file object */
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DeviceExtension->FileObject = NULL;
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@ -572,22 +602,25 @@ MouHid_StartDevice(
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if (!NT_SUCCESS(Status))
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{
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/* failed to query collection information */
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DPRINT1("[MOUHID] failed to obtain collection information with %x\n", Status);
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return Status;
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}
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/* lets allocate space for preparsed data */
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PreparsedData = ExAllocatePool(NonPagedPool, Information.DescriptorSize);
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if (PreparsedData)
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if (!PreparsedData)
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{
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/* no memory */
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DPRINT1("[MOUHID] no memory size %u\n", Information.DescriptorSize);
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return STATUS_INSUFFICIENT_RESOURCES;
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}
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/* now obtain the preparsed data */
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Status = MouHid_SubmitRequest(DeviceObject, IOCTL_HID_GET_DRIVER_CONFIG, 0, NULL, Information.DescriptorSize, PreparsedData);
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Status = MouHid_SubmitRequest(DeviceObject, IOCTL_HID_GET_COLLECTION_DESCRIPTOR, 0, NULL, Information.DescriptorSize, PreparsedData);
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if (!NT_SUCCESS(Status))
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{
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/* failed to get preparsed data */
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DPRINT1("[MOUHID] failed to obtain collection information with %x\n", Status);
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ExFreePool(PreparsedData);
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return Status;
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}
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@ -597,10 +630,13 @@ MouHid_StartDevice(
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if (!NT_SUCCESS(Status))
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{
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/* failed to get capabilities */
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DPRINT1("[MOUHID] failed to obtain caps with %x\n", Status);
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ExFreePool(PreparsedData);
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return Status;
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}
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DPRINT1("[MOUHID] Usage %x UsagePage %x\n", Capabilities.Usage, Capabilities.UsagePage, Capabilities.InputReportByteLength);
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/* verify capabilities */
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if (Capabilities.Usage != HID_USAGE_GENERIC_POINTER && Capabilities.Usage != HID_USAGE_GENERIC_MOUSE || Capabilities.UsagePage != HID_USAGE_PAGE_GENERIC)
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{
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@ -615,12 +651,17 @@ MouHid_StartDevice(
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DeviceExtension->Report = (PUCHAR)ExAllocatePool(NonPagedPool, DeviceExtension->ReportLength);
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ASSERT(DeviceExtension->Report);
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RtlZeroMemory(DeviceExtension->Report, DeviceExtension->ReportLength);
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/* build mdl */
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DeviceExtension->ReportMDL = IoAllocateMdl(DeviceExtension->Report, DeviceExtension->ReportLength, FALSE, FALSE, NULL);
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ASSERT(DeviceExtension->ReportMDL);
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/* init mdl */
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MmBuildMdlForNonPagedPool(DeviceExtension->ReportMDL);
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/* get max number of buttons */
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Buttons = HidP_MaxUsageListLength(HidP_Input, HID_USAGE_PAGE_BUTTON, PreparsedData);
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DPRINT1("[MOUHID] Buttons %lu\n", Buttons);
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ASSERT(Buttons > 0);
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/* now allocate an array for those buttons */
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@ -662,6 +703,7 @@ MouHid_StartDevice(
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/* mouse has wheel support */
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DeviceExtension->MouseIdentifier = WHEELMOUSE_HID_HARDWARE;
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DeviceExtension->WheelUsagePage = ValueCaps.UsagePage;
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DPRINT1("[MOUHID] mouse wheel support detected\n", Status);
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}
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else
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{
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@ -673,6 +715,7 @@ MouHid_StartDevice(
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/* wheel support */
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DeviceExtension->MouseIdentifier = WHEELMOUSE_HID_HARDWARE;
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DeviceExtension->WheelUsagePage = ValueCaps.UsagePage;
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DPRINT1("[MOUHID] mouse wheel support detected with z-axis\n", Status);
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}
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}
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@ -827,7 +870,7 @@ MouHid_AddDevice(
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DeviceExtension->MouseIdentifier = MOUSE_HID_HARDWARE;
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DeviceExtension->WheelUsagePage = 0;
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DeviceExtension->NextDeviceObject = NextDeviceObject;
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KeInitializeEvent(&DeviceExtension->Event, NotificationEvent, FALSE);
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KeInitializeEvent(&DeviceExtension->ReadCompletionEvent, NotificationEvent, FALSE);
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DeviceExtension->Irp = IoAllocateIrp(NextDeviceObject->StackSize, FALSE);
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/* FIXME handle allocation error */
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@ -8,6 +8,7 @@
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#include <debug.h>
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#include <ntddmou.h>
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#include <kbdmou.h>
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#include <debug.h>
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typedef struct
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@ -25,7 +26,7 @@ typedef struct
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//
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// event
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//
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KEVENT Event;
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KEVENT ReadCompletionEvent;
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//
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// device object for class callback
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@ -97,9 +98,19 @@ typedef struct
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//
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PFILE_OBJECT FileObject;
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//
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// report read is active
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//
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UCHAR ReadReportActive;
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//
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// stop reading flag
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//
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UCHAR StopReadReport;
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}MOUHID_DEVICE_EXTENSION, *PMOUHID_DEVICE_EXTENSION;
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NTSTATUS
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MouHid_InitiateRead(
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IN PDEVICE_OBJECT DeviceObject);
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IN PMOUHID_DEVICE_EXTENSION DeviceExtension);
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