Metadatacopyunion _WHEA_PCIXBUS_COMMAND { struct { unsigned __int64 Command : 56;/* 0x0:0 8 */ unsigned __int64 PCIXCommand : 1;/* 0x0:56 8 */ unsigned __int64 Reserved : 7;/* 0x0:57 8 */ };/* 0x0 8 */ unsigned __int64 AsULONGLONG;/* 0x0 8 */};