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[HIDCLASS] Implement IRP_MJ_WRITE

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This commit is contained in:
Hervé Poussineau 2019-05-14 14:18:21 +02:00
parent 2161dd85dc
commit 9a6eb70ff9
1 changed files with 48 additions and 4 deletions
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50
drivers/hid/hidclass/hidclass.c
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@ -801,11 +801,55 @@ HidClass_Write(
IN PDEVICE_OBJECT DeviceObject,
IN PIRP Irp)
{
UNIMPLEMENTED;
ASSERT(FALSE);
Irp->IoStatus.Status = STATUS_NOT_IMPLEMENTED;
PIO_STACK_LOCATION IoStack;
PHIDCLASS_COMMON_DEVICE_EXTENSION CommonDeviceExtension;
PIRP SubIrp;
KEVENT Event;
IO_STATUS_BLOCK IoStatusBlock;
HID_XFER_PACKET XferPacket;
NTSTATUS Status;
ULONG Length;
IoStack = IoGetCurrentIrpStackLocation(Irp);
Length = IoStack->Parameters.Write.Length;
if (Length < 1)
{
Irp->IoStatus.Status = STATUS_INVALID_PARAMETER;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
return STATUS_INVALID_PARAMETER;
}
RtlZeroMemory(&XferPacket, sizeof(XferPacket));
XferPacket.reportBufferLen = Length;
XferPacket.reportBuffer = Irp->UserBuffer;
XferPacket.reportId = XferPacket.reportBuffer[0];
CommonDeviceExtension = DeviceObject->DeviceExtension;
SubIrp = IoBuildDeviceIoControlRequest(
IOCTL_HID_WRITE_REPORT,
CommonDeviceExtension->HidDeviceExtension.NextDeviceObject,
NULL, 0,
NULL, 0,
TRUE,
&Event,
&IoStatusBlock);
if (!SubIrp)
{
Irp->IoStatus.Status = STATUS_NO_MEMORY;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
return STATUS_NOT_IMPLEMENTED;
}
SubIrp->UserBuffer = &XferPacket;
KeInitializeEvent(&Event, SynchronizationEvent, FALSE);
Status = IoCallDriver(CommonDeviceExtension->HidDeviceExtension.NextDeviceObject, SubIrp);
if (Status == STATUS_PENDING)
{
KeWaitForSingleObject(&Event, Executive, KernelMode, FALSE, NULL);
Status = IoStatusBlock.Status;
}
Irp->IoStatus.Status = Status;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
return Status;
}
NTSTATUS