union _AER_ROOTPORT_DESCRIPTOR_FLAGS {
struct {
unsigned short UncorrectableErrorMaskRW : 1;/* 0x0:0 2 */
unsigned short UncorrectableErrorSeverityRW : 1;/* 0x0:1 2 */
unsigned short CorrectableErrorMaskRW : 1;/* 0x0:2 2 */
unsigned short AdvancedCapsAndControlRW : 1;/* 0x0:3 2 */
unsigned short RootErrorCommandRW : 1;/* 0x0:4 2 */
unsigned short Reserved : 11;/* 0x0:5 2 */
};/* 0x0 2 */
unsigned short AsUSHORT;/* 0x0 2 */
};