//0x180 bytes (sizeof)
struct _PO_DEVICE_NOTIFY_ORDER
{
    UCHAR Locked;                                                           //0x0
    struct _DEVICE_OBJECT** WarmEjectPdoPointer;                            //0x8
    struct _PO_NOTIFY_ORDER_LEVEL OrderLevel[5];                            //0x10
    ULONG Flags;                                                            //0x178
};