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This section describes the internal device control requests that I8042prt supports for a mouse device:
IOCTL_INTERNAL_I8042_HOOK_MOUSE
IOCTL_INTERNAL_I8042_MOUSE_START_INFORMATION
IOCTL_INTERNAL_I8042_MOUSE_WRITE_BUFFER
IOCTL_INTERNAL_MOUSE_DISCONNECT
If I8042prt does not support the request, it completes the request with a status of STATUS_INVALID_DEVICE_REQUEST.