BOOLEAN
VgaStartIO(
PVOID HwDeviceExtension,
PVIDEO_REQUEST_PACKET RequestPacket
);
Routine Description:
This routine is the main execution routine for the miniport driver. It
acceptss a Video Request Packet, performs the request, and then returns
with the appropriate status.
Arguments:
HwDeviceExtension - Pointer to the miniport driver's adapter information.
RequestPacket - Pointer to the video request packet. This structure
contains all the parameters passed to the VideoIoControl function.
Return Value:
This routine will return error codes from the various support routines
and will also return ERROR_INSUFFICIENT_BUFFER for incorrectly sized
buffers and ERROR_INVALID_FUNCTION for unsupported functions.