// ntddk.h
typedef union _PCI_EXPRESS_DPC_ERROR_SOURCE_ID {
struct {
USHORT Function : 3;
USHORT Device : 5;
USHORT Bus : 8;
} DUMMYSTRUCTNAME;
USHORT AsUSHORT;
} PCI_EXPRESS_DPC_ERROR_SOURCE_ID, *PPCI_EXPRESS_DPC_ERROR_SOURCE_ID;
View the official Windows Driver Kit DDI referenceNo description available.
DUMMYSTRUCTNAMEDUMMYSTRUCTNAME.FunctionDUMMYSTRUCTNAME.DeviceDUMMYSTRUCTNAME.BusAsUSHORT