Specifications

140
//****************************************************
// UDC_ATTRIBUTES
//****************************************************
typedef struct {
UINT8 DirectoryServiceValidity : 1;
UINT8 RabcaUsedFlag : 1;
UINT8 ExecuteHddDiagnosticsFlag : 1;
UINT8 Reserved : 5;
} UDC_ATTRIBUTES;
DirectoryServiceValidity
This bit set indicates that the ServiceAreaData is valid.
RacbaUsedFlag
This bit set indicates to use the Reserve Area Boot Code Address (RACBA) only if
DirectoryServiceValidity is 0.
ExecuteHddDiagnosticsFlag
This bit set indicates to execute hard disk diagnostics.
Reserved
Reserved for future use. Set to 0.
Status Codes Returned
EFI_SUCCESS 0x0000