struct _PCI_BUSMASTER_DESCRIPTOR// Size=0xc
{
    enum _PCI_BUSMASTER_RID_TYPE Type;// Offset=0x0 Size=0x4
    unsigned long Segment;// Offset=0x4 Size=0x4
    struct _unnamed_1287 DeviceRid;// Offset=0x8 Size=0x4
    struct _unnamed_1287 BridgeRid;// Offset=0x8 Size=0x4
    struct _unnamed_1288 MultipleBridges;// Offset=0x8 Size=0x2
};