//0x4 bytes (sizeof)
enum _IOP_PRIORITY_HINT
{
IopIoPriorityNotSet = 0,
IopIoPriorityVeryLow = 1,
IopIoPriorityLow = 2,
IopIoPriorityNormal = 3,
IopIoPriorityHigh = 4,
IopIoPriorityCritical = 5,
MaxIopIoPriorityTypes = 6
};