/**
The function returns whether or not the device is Opal Locked.
TRUE means that the device is partially or fully locked.
This will perform a Level 0 Discovery and parse the locking feature descriptor
@param[in] OpalDev Opal object to determine if locked
@param[out] BlockSidSupported Whether device support BlockSid feature.
**/
BOOLEAN
IsOpalDeviceLocked(
OPAL_SMM_DEVICE *OpalDev,
BOOLEAN *BlockSidSupported
)
{
OPAL_SESSION Session;
OPAL_DISK_SUPPORT_ATTRIBUTE SupportedAttributes;
TCG_LOCKING_FEATURE_DESCRIPTOR LockingFeature;
UINT16 OpalBaseComId;
TCG_RESULT Ret;
Session.Sscp = &OpalDev->Sscp;
Session.MediaId = 0;
Ret = OpalGetSupportedAttributesInfo (&Session, &SupportedAttributes, &OpalBaseComId);
if (Ret != TcgResultSuccess) {
return FALSE;
}
OpalDev->OpalBaseComId = OpalBaseComId;
Session.OpalBaseComId = OpalBaseComId;
*BlockSidSupported = SupportedAttributes.BlockSid == 1 ? TRUE : FALSE;
Ret = OpalGetLockingInfo(&Session, &LockingFeature);
if (Ret != TcgResultSuccess) {
return FALSE;
}
return OpalDeviceLocked (&SupportedAttributes, &LockingFeature);
}
/**
Get revert timeout value.
@param[in] Session The session info for one opal device.
**/
UINT32
GetRevertTimeOut (
IN OPAL_SESSION *Session
)
{
TCG_RESULT TcgResult;
OPAL_DISK_SUPPORT_ATTRIBUTE SupportedAttributes;
UINT16 BaseComId;
UINT32 MsidLength;
UINT8 Msid[OPAL_MSID_LENGHT];
UINT32 RemovalMechanishLists[ResearvedMechanism];
UINT8 ActiveDataRemovalMechanism;
TcgResult = OpalGetSupportedAttributesInfo (Session, &SupportedAttributes, &BaseComId);
if (TcgResult != TcgResultSuccess || SupportedAttributes.DataRemoval == 0) {
return 0;
}
TcgResult = OpalUtilGetMsid (Session, Msid, OPAL_MSID_LENGHT, &MsidLength);
if (TcgResult != TcgResultSuccess) {
return 0;
}
TcgResult = OpalUtilGetDataRemovalMechanismLists (Session, RemovalMechanishLists);
if (TcgResult != TcgResultSuccess) {
return 0;
}
TcgResult = OpalUtilGetActiveDataRemovalMechanism (Session, Msid, MsidLength, &ActiveDataRemovalMechanism);
if (TcgResult != TcgResultSuccess) {
return 0;
}
return RemovalMechanishLists[ActiveDataRemovalMechanism];
}
