/** @file\r
Public API for Opal Core library.\r
\r
-Copyright (c) 2016, Intel Corporation. All rights reserved.<BR>\r
+Copyright (c) 2016 - 2018, Intel Corporation. All rights reserved.<BR>\r
This program and the accompanying materials\r
are licensed and made available under the terms and conditions of the BSD License\r
which accompanies this distribution. The full text of the license may be found at\r
#include <Library/DebugLib.h>\r
#include <Library/TcgStorageOpalLib.h>\r
\r
+#include "TcgStorageOpalLibInternal.h"\r
+\r
#pragma pack(1)\r
typedef struct {\r
UINT8 HardwareReset : 1;\r
@param[in] SpSpecific Security Protocol Specific\r
@param[in] Buffer Address of Data to transfer\r
@param[in] BufferSize Full Size of Buffer, including space that may be used for padding.\r
+ @param[in] EstimateTimeCost Estimate the time needed.\r
\r
**/\r
TCG_RESULT\r
UINT8 SecurityProtocol,\r
UINT16 SpSpecific,\r
VOID *Buffer,\r
- UINTN BufferSize\r
+ UINTN BufferSize,\r
+ UINT32 EstimateTimeCost\r
)\r
{\r
-\r
UINTN TransferLength512;\r
UINT32 Tries;\r
TCG_COM_PACKET *ComPacket;\r
// so we need to retry the IF-RECV to get the actual Data.\r
// See TCG Core Spec v2 Table 45 IF-RECV ComPacket Field Values Summary\r
// This is an arbitrary number of retries, not from the spec.\r
- // have a max timeout of 10 seconds, 5000 tries * 2ms = 10s\r
//\r
- Tries = 5000;\r
+ // if user input estimate time cost(second level) value bigger than 10s, base on user input value to wait.\r
+ // Else, Use a max timeout of 10 seconds to wait, 5000 tries * 2ms = 10s\r
+ //\r
+ if (EstimateTimeCost > 10) {\r
+ Tries = EstimateTimeCost * 500; // 500 = 1000 * 1000 / 2000;\r
+ } else {\r
+ Tries = 5000;\r
+ }\r
while ((Tries--) > 0) {\r
ZeroMem( Buffer, BufferSize );\r
TransferSize = 0;\r
Buffer,\r
&TransferSize\r
);\r
-\r
if (EFI_ERROR (Status)) {\r
return TcgResultFailure;\r
}\r
/**\r
The function performs send, recv, check comIDs, check method status action.\r
\r
- @param[in] Session OPAL_SESSION related to this method..\r
- @param[in] SendSize Transfer Length of Buffer (in bytes) - always a multiple of 512\r
- @param[in] Buffer Address of Data to transfer\r
- @param[in] BufferSize Full Size of Buffer, including space that may be used for padding.\r
- @param[in] ParseStruct Structure used to parse received TCG response.\r
- @param[in] MethodStatus Method status of last action performed. If action succeeded, it should be TCG_METHOD_STATUS_CODE_SUCCESS.\r
-\r
+ @param[in] Session OPAL_SESSION related to this method..\r
+ @param[in] SendSize Transfer Length of Buffer (in bytes) - always a multiple of 512\r
+ @param[in] Buffer Address of Data to transfer\r
+ @param[in] BufferSize Full Size of Buffer, including space that may be used for padding.\r
+ @param[in] ParseStruct Structure used to parse received TCG response.\r
+ @param[in] MethodStatus Method status of last action performed. If action succeeded, it should be TCG_METHOD_STATUS_CODE_SUCCESS.\r
+ @param[in] EstimateTimeCost Estimate the time need to for the method.\r
**/\r
TCG_RESULT\r
EFIAPI\r
-OpalPerformMethod(\r
+OpalPerformMethod (\r
OPAL_SESSION *Session,\r
UINT32 SendSize,\r
VOID *Buffer,\r
UINT32 BufferSize,\r
TCG_PARSE_STRUCT *ParseStruct,\r
- UINT8 *MethodStatus\r
+ UINT8 *MethodStatus,\r
+ UINT32 EstimateTimeCost\r
)\r
{\r
NULL_CHECK(Session);\r
TCG_OPAL_SECURITY_PROTOCOL_1,\r
Session->OpalBaseComId,\r
Buffer,\r
- BufferSize\r
+ BufferSize,\r
+ EstimateTimeCost\r
));\r
\r
ERROR_CHECK(TcgInitTcgParseStruct(ParseStruct, Buffer, BufferSize));\r
//\r
// Send Revert Method Call\r
//\r
- ERROR_CHECK(OpalPerformMethod(AdminSpSession, Size, Buffer, BUFFER_SIZE, &ParseStruct, &MethodStatus));\r
+ ERROR_CHECK(OpalPerformMethod(AdminSpSession, Size, Buffer, BUFFER_SIZE, &ParseStruct, &MethodStatus, 0));\r
+ METHOD_STATUS_ERROR_CHECK(MethodStatus, TcgResultFailure);\r
+\r
+ return TcgResultSuccess;\r
+}\r
+\r
+/**\r
+\r
+ Reverts device using Admin SP Revert method.\r
+\r
+ @param[in] AdminSpSession OPAL_SESSION with OPAL_UID_ADMIN_SP as OPAL_ADMIN_SP_PSID_AUTHORITY to perform PSID revert.\r
+ @param[in] EstimateTimeCost Estimate the time needed.\r
+\r
+**/\r
+TCG_RESULT\r
+EFIAPI\r
+OpalPyrite2PsidRevert(\r
+ OPAL_SESSION *AdminSpSession,\r
+ UINT32 EstimateTimeCost\r
+ )\r
+{\r
+ //\r
+ // Now that base comid is known, start Session\r
+ // we'll attempt to start Session as PSID authority\r
+ // verify PSID Authority is defined in ADMIN SP authority table... is this possible?\r
+ //\r
+ TCG_CREATE_STRUCT CreateStruct;\r
+ TCG_PARSE_STRUCT ParseStruct;\r
+ UINT32 Size;\r
+ UINT8 Buffer[BUFFER_SIZE];\r
+ UINT8 MethodStatus;\r
+\r
+\r
+ NULL_CHECK(AdminSpSession);\r
+\r
+ //\r
+ // Send Revert action on Admin SP\r
+ //\r
+ ERROR_CHECK(TcgInitTcgCreateStruct(&CreateStruct, Buffer, BUFFER_SIZE));\r
+ ERROR_CHECK(TcgStartComPacket(&CreateStruct, AdminSpSession->OpalBaseComId, AdminSpSession->ComIdExtension));\r
+ ERROR_CHECK(TcgStartPacket(&CreateStruct, AdminSpSession->TperSessionId, AdminSpSession->HostSessionId, 0x0, 0x0, 0x0));\r
+ ERROR_CHECK(TcgStartSubPacket(&CreateStruct, 0x0));\r
+ ERROR_CHECK(TcgStartMethodCall(&CreateStruct, OPAL_UID_ADMIN_SP, OPAL_ADMIN_SP_REVERT_METHOD));\r
+ ERROR_CHECK(TcgStartParameters(&CreateStruct));\r
+ ERROR_CHECK(TcgEndParameters(&CreateStruct));\r
+ ERROR_CHECK(TcgEndMethodCall(&CreateStruct));\r
+ ERROR_CHECK(TcgEndSubPacket(&CreateStruct));\r
+ ERROR_CHECK(TcgEndPacket(&CreateStruct));\r
+ ERROR_CHECK(TcgEndComPacket(&CreateStruct, &Size));\r
+\r
+ //\r
+ // Send Revert Method Call\r
+ //\r
+ ERROR_CHECK(OpalPerformMethod(AdminSpSession, Size, Buffer, BUFFER_SIZE, &ParseStruct, &MethodStatus, EstimateTimeCost));\r
METHOD_STATUS_ERROR_CHECK(MethodStatus, TcgResultFailure);\r
\r
return TcgResultSuccess;\r
TCG_OPAL_SECURITY_PROTOCOL_1, // SP\r
TCG_SP_SPECIFIC_PROTOCOL_LEVEL0_DISCOVERY, // SP_Specific\r
BuffAddress,\r
- BufferSize\r
+ BufferSize,\r
+ 0\r
));\r
}\r
\r
TCG_SECURITY_PROTOCOL_INFO, // SP\r
TCG_SP_SPECIFIC_PROTOCOL_LIST, // SP_Specific\r
BuffAddress,\r
- BufferSize\r
+ BufferSize,\r
+ 0\r
));\r
}\r
\r
HostChallenge,\r
HostSigningAuthority\r
));\r
- ERROR_CHECK(OpalPerformMethod(Session, Size, Buf, sizeof(Buf), &ParseStruct, MethodStatus));\r
+ ERROR_CHECK(OpalPerformMethod(Session, Size, Buf, sizeof(Buf), &ParseStruct, MethodStatus, 0));\r
if (*MethodStatus != TCG_METHOD_STATUS_CODE_SUCCESS) {\r
return TcgResultSuccess; // return early if method failed - user must check MethodStatus\r
}\r
TCG_OPAL_SECURITY_PROTOCOL_1,\r
Session->OpalBaseComId,\r
Buffer,\r
- sizeof(Buffer)\r
+ sizeof(Buffer),\r
+ 0\r
));\r
\r
ERROR_CHECK(TcgInitTcgParseStruct(&ParseStruct, Buffer, sizeof(Buffer)));\r
//\r
// Send MSID Method Call\r
//\r
- ERROR_CHECK(OpalPerformMethod(AdminSpSession, Size, Buffer, BUFFER_SIZE, &ParseStruct, &MethodStatus));\r
+ ERROR_CHECK(OpalPerformMethod(AdminSpSession, Size, Buffer, BUFFER_SIZE, &ParseStruct, &MethodStatus, 0));\r
METHOD_STATUS_ERROR_CHECK(MethodStatus, TcgResultFailure);\r
\r
ERROR_CHECK(TcgGetNextStartList(&ParseStruct));\r
return TcgResultSuccess;\r
}\r
\r
+/**\r
+\r
+ The function retrieves the MSID from the device specified\r
+\r
+ @param[in] AdminSpSession OPAL_SESSION with OPAL_UID_ADMIN_SP as OPAL_ADMIN_SP_ANYBODY_AUTHORITY\r
+ @param[out] ActiveDataRemovalMechanism Active Data Removal Mechanism that the device will use for Revert/RevertSP calls.\r
+\r
+**/\r
+TCG_RESULT\r
+EFIAPI\r
+OpalPyrite2GetActiveDataRemovalMechanism (\r
+ IN OPAL_SESSION *AdminSpSession,\r
+ OUT UINT8 *ActiveDataRemovalMechanism\r
+ )\r
+{\r
+ TCG_CREATE_STRUCT CreateStruct;\r
+ TCG_PARSE_STRUCT ParseStruct;\r
+ UINT32 Size;\r
+ UINT8 MethodStatus;\r
+ UINT32 Col;\r
+ UINT8 RecvActiveDataRemovalMechanism;\r
+ UINT8 Buffer[BUFFER_SIZE];\r
+\r
+ NULL_CHECK(AdminSpSession);\r
+ NULL_CHECK(ActiveDataRemovalMechanism);\r
+\r
+ ERROR_CHECK(TcgInitTcgCreateStruct(&CreateStruct, Buffer, BUFFER_SIZE));\r
+ ERROR_CHECK(TcgStartComPacket(&CreateStruct, AdminSpSession->OpalBaseComId, AdminSpSession->ComIdExtension));\r
+ ERROR_CHECK(TcgStartPacket(&CreateStruct, AdminSpSession->TperSessionId, AdminSpSession->HostSessionId, 0x0, 0x0, 0x0));\r
+ ERROR_CHECK(TcgStartSubPacket(&CreateStruct, 0x0));\r
+ ERROR_CHECK(TcgStartMethodCall(&CreateStruct, OPAL_UID_ADMIN_SP_DATA_REMOVAL_MECHANISM, TCG_UID_METHOD_GET));\r
+ ERROR_CHECK(TcgStartParameters(&CreateStruct));\r
+ ERROR_CHECK(TcgAddStartList(&CreateStruct));\r
+ ERROR_CHECK(TcgAddStartName(&CreateStruct));\r
+ ERROR_CHECK(TcgAddUINT8(&CreateStruct, TCG_CELL_BLOCK_START_COLUMN_NAME));\r
+ ERROR_CHECK(TcgAddUINT8(&CreateStruct, OPAL_ADMIN_SP_ACTIVE_DATA_REMOVAL_MECHANISM_COL));\r
+ ERROR_CHECK(TcgAddEndName(&CreateStruct));\r
+ ERROR_CHECK(TcgAddStartName(&CreateStruct));\r
+ ERROR_CHECK(TcgAddUINT8(&CreateStruct, TCG_CELL_BLOCK_END_COLUMN_NAME));\r
+ ERROR_CHECK(TcgAddUINT8(&CreateStruct, OPAL_ADMIN_SP_ACTIVE_DATA_REMOVAL_MECHANISM_COL));\r
+ ERROR_CHECK(TcgAddEndName(&CreateStruct));\r
+ ERROR_CHECK(TcgAddEndList(&CreateStruct));\r
+ ERROR_CHECK(TcgEndParameters(&CreateStruct));\r
+ ERROR_CHECK(TcgEndMethodCall(&CreateStruct));\r
+ ERROR_CHECK(TcgEndSubPacket(&CreateStruct));\r
+ ERROR_CHECK(TcgEndPacket(&CreateStruct));\r
+ ERROR_CHECK(TcgEndComPacket(&CreateStruct, &Size));\r
+\r
+ //\r
+ // Send Get Active Data Removal Mechanism Method Call\r
+ //\r
+ ERROR_CHECK(OpalPerformMethod(AdminSpSession, Size, Buffer, BUFFER_SIZE, &ParseStruct, &MethodStatus, 0));\r
+ METHOD_STATUS_ERROR_CHECK(MethodStatus, TcgResultFailure);\r
+\r
+ ERROR_CHECK(TcgGetNextStartList(&ParseStruct));\r
+ ERROR_CHECK(TcgGetNextStartList(&ParseStruct));\r
+ ERROR_CHECK(TcgGetNextStartName(&ParseStruct));\r
+ ERROR_CHECK(TcgGetNextUINT32(&ParseStruct, &Col));\r
+ ERROR_CHECK(TcgGetNextUINT8(&ParseStruct, &RecvActiveDataRemovalMechanism));\r
+ ERROR_CHECK(TcgGetNextEndName(&ParseStruct));\r
+ ERROR_CHECK(TcgGetNextEndList(&ParseStruct));\r
+ ERROR_CHECK(TcgGetNextEndList(&ParseStruct));\r
+ ERROR_CHECK(TcgGetNextEndOfData(&ParseStruct));\r
+\r
+ if (Col != OPAL_ADMIN_SP_ACTIVE_DATA_REMOVAL_MECHANISM_COL) {\r
+ DEBUG ((DEBUG_INFO, "ERROR: got col %u, expected %u\n", Col, OPAL_ADMIN_SP_ACTIVE_DATA_REMOVAL_MECHANISM_COL));\r
+ return TcgResultFailure;\r
+ }\r
+\r
+ if (RecvActiveDataRemovalMechanism >= ResearvedMechanism) {\r
+ return TcgResultFailure;\r
+ }\r
+\r
+ //\r
+ // Copy active data removal mechanism into Buffer\r
+ //\r
+ CopyMem(ActiveDataRemovalMechanism, &RecvActiveDataRemovalMechanism, sizeof(RecvActiveDataRemovalMechanism));\r
+ return TcgResultSuccess;\r
+}\r
+\r
/**\r
\r
The function calls the Admin SP RevertSP method on the Locking SP. If KeepUserData is True, then the optional parameter\r
//\r
// Send RevertSP method call\r
//\r
- ERROR_CHECK(OpalPerformMethod(LockingSpSession, Size, Buf, sizeof(Buf), &ParseStruct, MethodStatus));\r
+ ERROR_CHECK(OpalPerformMethod(LockingSpSession, Size, Buf, sizeof(Buf), &ParseStruct, MethodStatus, 0));\r
+\r
+ //\r
+ // Session is immediately ended by device after successful revertsp, so no need to end Session\r
+ //\r
+ if (*MethodStatus == TCG_METHOD_STATUS_CODE_SUCCESS) {\r
+ //\r
+ // Caller should take ownership again\r
+ //\r
+ return TcgResultSuccess;\r
+ } else {\r
+ //\r
+ // End Session\r
+ //\r
+ METHOD_STATUS_ERROR_CHECK(*MethodStatus, TcgResultSuccess); // exit with success on method failure - user must inspect MethodStatus\r
+ }\r
+\r
+ return TcgResultSuccess;\r
+}\r
+\r
+\r
+/**\r
+\r
+ The function calls the Admin SP RevertSP method on the Locking SP. If KeepUserData is True, then the optional parameter\r
+ to keep the user Data is set to True, otherwise the optional parameter is not provided.\r
+\r
+ @param[in] LockingSpSession OPAL_SESSION with OPAL_UID_LOCKING_SP as OPAL_LOCKING_SP_ADMIN1_AUTHORITY to revertSP\r
+ @param[in] KeepUserData Specifies whether or not to keep user Data when performing RevertSP action. True = keeps user Data.\r
+ @param[in/out] MethodStatus Method status of last action performed. If action succeeded, it should be TCG_METHOD_STATUS_CODE_SUCCESS.\r
+ @param[in] EstimateTimeCost Estimate the time needed.\r
+\r
+**/\r
+TCG_RESULT\r
+EFIAPI\r
+OpalPyrite2AdminRevert(\r
+ OPAL_SESSION *LockingSpSession,\r
+ BOOLEAN KeepUserData,\r
+ UINT8 *MethodStatus,\r
+ UINT32 EstimateTimeCost\r
+ )\r
+{\r
+ UINT8 Buf[BUFFER_SIZE];\r
+ TCG_CREATE_STRUCT CreateStruct;\r
+ UINT32 Size;\r
+ TCG_PARSE_STRUCT ParseStruct;\r
+ TCG_RESULT Ret;\r
+\r
+ NULL_CHECK(LockingSpSession);\r
+ NULL_CHECK(MethodStatus);\r
+\r
+ //\r
+ // ReadLocked or WriteLocked must be False (per Opal spec) to guarantee revertSP can keep user Data\r
+ //\r
+ if (KeepUserData) {\r
+ //\r
+ // set readlocked and writelocked to false\r
+ //\r
+ Ret = OpalUpdateGlobalLockingRange(\r
+ LockingSpSession,\r
+ FALSE,\r
+ FALSE,\r
+ MethodStatus);\r
+\r
+ if (Ret != TcgResultSuccess || *MethodStatus != TCG_METHOD_STATUS_CODE_SUCCESS) {\r
+ //\r
+ // bail out\r
+ //\r
+ return Ret;\r
+ }\r
+ }\r
+\r
+ ERROR_CHECK(TcgInitTcgCreateStruct(&CreateStruct, Buf, sizeof(Buf)));\r
+ ERROR_CHECK(TcgStartComPacket(&CreateStruct, LockingSpSession->OpalBaseComId, LockingSpSession->ComIdExtension));\r
+ ERROR_CHECK(TcgStartPacket(&CreateStruct, LockingSpSession->TperSessionId, LockingSpSession->HostSessionId, 0x0, 0x0, 0x0));\r
+ ERROR_CHECK(TcgStartSubPacket(&CreateStruct, 0x0));\r
+ ERROR_CHECK(TcgStartMethodCall(&CreateStruct, TCG_UID_THIS_SP, OPAL_LOCKING_SP_REVERTSP_METHOD));\r
+ ERROR_CHECK(TcgStartParameters(&CreateStruct));\r
+\r
+ if (KeepUserData) {\r
+ //\r
+ // optional parameter to keep Data after revert\r
+ //\r
+ ERROR_CHECK(TcgAddStartName(&CreateStruct));\r
+ ERROR_CHECK(TcgAddUINT32(&CreateStruct, 0x060000)); // weird Value but that's what spec says\r
+ ERROR_CHECK(TcgAddBOOLEAN(&CreateStruct, KeepUserData));\r
+ ERROR_CHECK(TcgAddEndName(&CreateStruct));\r
+ }\r
+\r
+ ERROR_CHECK(TcgEndParameters(&CreateStruct));\r
+ ERROR_CHECK(TcgEndMethodCall(&CreateStruct));\r
+ ERROR_CHECK(TcgEndSubPacket(&CreateStruct));\r
+ ERROR_CHECK(TcgEndPacket(&CreateStruct));\r
+ ERROR_CHECK(TcgEndComPacket(&CreateStruct, &Size));\r
+\r
+ //\r
+ // Send RevertSP method call\r
+ //\r
+ ERROR_CHECK(OpalPerformMethod(LockingSpSession, Size, Buf, sizeof(Buf), &ParseStruct, MethodStatus, EstimateTimeCost));\r
\r
//\r
// Session is immediately ended by device after successful revertsp, so no need to end Session\r
//\r
// Send Activate method call\r
//\r
- ERROR_CHECK(OpalPerformMethod(AdminSpSession, Size, Buf, sizeof(Buf), &ParseStruct, MethodStatus));\r
+ ERROR_CHECK(OpalPerformMethod(AdminSpSession, Size, Buf, sizeof(Buf), &ParseStruct, MethodStatus, 0));\r
METHOD_STATUS_ERROR_CHECK(*MethodStatus, TcgResultSuccess); // exit with success on method failure - user must inspect MethodStatus\r
\r
return TcgResultSuccess;\r
NewPinLength\r
));\r
\r
- ERROR_CHECK(OpalPerformMethod(Session, Size, Buf, sizeof(Buf), &ParseStruct, MethodStatus));\r
+ ERROR_CHECK(OpalPerformMethod(Session, Size, Buf, sizeof(Buf), &ParseStruct, MethodStatus, 0));\r
// exit with success on method failure - user must inspect MethodStatus\r
METHOD_STATUS_ERROR_CHECK(*MethodStatus, TcgResultSuccess);\r
\r
AuthorityUid,\r
TRUE));\r
\r
- ERROR_CHECK(OpalPerformMethod(LockingSpSession, Size, Buf, sizeof(Buf), &ParseStruct, MethodStatus));\r
+ ERROR_CHECK(OpalPerformMethod(LockingSpSession, Size, Buf, sizeof(Buf), &ParseStruct, MethodStatus, 0));\r
\r
if (*MethodStatus != TCG_METHOD_STATUS_CODE_SUCCESS) {\r
DEBUG ((DEBUG_INFO, "Send Set Authority error\n"));\r
NewPin,\r
NewPinLength));\r
\r
- ERROR_CHECK(OpalPerformMethod(LockingSpSession, Size, Buf, sizeof(Buf), &ParseStruct, MethodStatus));\r
+ ERROR_CHECK(OpalPerformMethod(LockingSpSession, Size, Buf, sizeof(Buf), &ParseStruct, MethodStatus, 0));\r
\r
//\r
// allow user1 to set global range to unlocked/locked by modifying ACE_Locking_GlobalRange_SetRdLocked/SetWrLocked\r
OPAL_LOCKING_SP_ADMINS_AUTHORITY\r
));\r
\r
- ERROR_CHECK(OpalPerformMethod(LockingSpSession, Size, Buf, sizeof(Buf), &ParseStruct, MethodStatus));\r
+ ERROR_CHECK(OpalPerformMethod(LockingSpSession, Size, Buf, sizeof(Buf), &ParseStruct, MethodStatus, 0));\r
\r
if (*MethodStatus != TCG_METHOD_STATUS_CODE_SUCCESS) {\r
DEBUG ((DEBUG_INFO, "Update ACE for RDLOCKED failed\n"));\r
OPAL_LOCKING_SP_ADMINS_AUTHORITY\r
));\r
\r
- ERROR_CHECK(OpalPerformMethod(LockingSpSession, Size, Buf, sizeof(Buf), &ParseStruct, MethodStatus));\r
+ ERROR_CHECK(OpalPerformMethod(LockingSpSession, Size, Buf, sizeof(Buf), &ParseStruct, MethodStatus, 0));\r
\r
if (*MethodStatus != TCG_METHOD_STATUS_CODE_SUCCESS) {\r
DEBUG ((DEBUG_INFO, "Update ACE for WRLOCKED failed\n"));\r
\r
ERROR_CHECK(TcgInitTcgCreateStruct(&CreateStruct, Buf, sizeof(Buf)));\r
ERROR_CHECK(OpalCreateRetrieveGlobalLockingRangeActiveKey(LockingSpSession, &CreateStruct, &Size));\r
- ERROR_CHECK(OpalPerformMethod(LockingSpSession, Size, Buf, sizeof(Buf), &ParseStruct, MethodStatus));\r
+ ERROR_CHECK(OpalPerformMethod(LockingSpSession, Size, Buf, sizeof(Buf), &ParseStruct, MethodStatus, 0));\r
\r
//\r
// For Pyrite type SSC, it not supports Active Key. \r
OPAL_LOCKING_SP_ADMINS_AUTHORITY\r
));\r
\r
- ERROR_CHECK(OpalPerformMethod(LockingSpSession, Size, Buf, sizeof(Buf), &ParseStruct, MethodStatus));\r
+ ERROR_CHECK(OpalPerformMethod(LockingSpSession, Size, Buf, sizeof(Buf), &ParseStruct, MethodStatus, 0));\r
\r
if (*MethodStatus != TCG_METHOD_STATUS_CODE_SUCCESS) {\r
DEBUG ((DEBUG_INFO, "Update ACE for GLOBALRANGE_GENKEY failed\n"));\r
OPAL_LOCKING_SP_ADMINS_AUTHORITY\r
));\r
\r
- ERROR_CHECK(OpalPerformMethod(LockingSpSession, Size, Buf, sizeof(Buf), &ParseStruct, MethodStatus));\r
+ ERROR_CHECK(OpalPerformMethod(LockingSpSession, Size, Buf, sizeof(Buf), &ParseStruct, MethodStatus, 0));\r
\r
if (*MethodStatus != TCG_METHOD_STATUS_CODE_SUCCESS) {\r
DEBUG ((DEBUG_INFO, "Update ACE for OPAL_LOCKING_SP_ACE_LOCKING_GLOBALRANGE_GET_ALL failed\n"));\r
OPAL_LOCKING_SP_USER1_AUTHORITY,\r
FALSE));\r
\r
- ERROR_CHECK(OpalPerformMethod(LockingSpSession, Size, Buf, sizeof(Buf), &ParseStruct, MethodStatus));\r
+ ERROR_CHECK(OpalPerformMethod(LockingSpSession, Size, Buf, sizeof(Buf), &ParseStruct, MethodStatus, 0));\r
\r
return TcgResultSuccess;\r
}\r
// retrieve the activekey in order to know which globalrange key to generate\r
//\r
ERROR_CHECK(OpalCreateRetrieveGlobalLockingRangeActiveKey(LockingSpSession, &CreateStruct, &Size));\r
- ERROR_CHECK(OpalPerformMethod(LockingSpSession, Size, Buf, sizeof(Buf), &ParseStruct, MethodStatus));\r
+ ERROR_CHECK(OpalPerformMethod(LockingSpSession, Size, Buf, sizeof(Buf), &ParseStruct, MethodStatus, 0));\r
\r
METHOD_STATUS_ERROR_CHECK(*MethodStatus, TcgResultSuccess);\r
\r
ERROR_CHECK(TcgEndPacket(&CreateStruct));\r
ERROR_CHECK(TcgEndComPacket(&CreateStruct, &Size));\r
\r
- ERROR_CHECK(OpalPerformMethod(LockingSpSession, Size, Buf, sizeof(Buf), &ParseStruct, MethodStatus));\r
+ ERROR_CHECK(OpalPerformMethod(LockingSpSession, Size, Buf, sizeof(Buf), &ParseStruct, MethodStatus, 0));\r
\r
return TcgResultSuccess;\r
}\r
ERROR_CHECK(TcgEndPacket(&CreateStruct));\r
ERROR_CHECK(TcgEndComPacket(&CreateStruct, &Size));\r
\r
- ERROR_CHECK(OpalPerformMethod(LockingSpSession, Size, Buf, sizeof(Buf), &ParseStruct, MethodStatus));\r
+ ERROR_CHECK(OpalPerformMethod(LockingSpSession, Size, Buf, sizeof(Buf), &ParseStruct, MethodStatus, 0));\r
METHOD_STATUS_ERROR_CHECK(*MethodStatus, TcgResultSuccess);\r
\r
return TcgResultSuccess;\r
ERROR_CHECK(TcgEndPacket(&CreateStruct));\r
ERROR_CHECK(TcgEndComPacket(&CreateStruct, &Size));\r
\r
- ERROR_CHECK(OpalPerformMethod(LockingSpSession, Size, Buf, sizeof(Buf), &ParseStruct, MethodStatus));\r
+ ERROR_CHECK(OpalPerformMethod(LockingSpSession, Size, Buf, sizeof(Buf), &ParseStruct, MethodStatus, 0));\r
// Exit with success on method failure - user must inspect MethodStatus\r
METHOD_STATUS_ERROR_CHECK(*MethodStatus, TcgResultSuccess);\r
\r
ERROR_CHECK(TcgEndPacket(&CreateStruct));\r
ERROR_CHECK(TcgEndComPacket(&CreateStruct, &Size));\r
\r
- ERROR_CHECK(OpalPerformMethod(LockingSpSession, Size, Buf, sizeof(Buf), &ParseStruct, &MethodStatus));\r
+ ERROR_CHECK(OpalPerformMethod(LockingSpSession, Size, Buf, sizeof(Buf), &ParseStruct, &MethodStatus, 0));\r
METHOD_STATUS_ERROR_CHECK(MethodStatus, TcgResultFailure);\r
\r
ERROR_CHECK(TcgGetNextStartList(&ParseStruct));\r
TCG_SUPPORTED_SECURITY_PROTOCOLS *SupportedProtocols;\r
TCG_LEVEL0_DISCOVERY_HEADER *DiscoveryHeader;\r
OPAL_LEVEL0_FEATURE_DESCRIPTOR *Feat;\r
+ OPAL_LEVEL0_FEATURE_DESCRIPTOR *Feat2;\r
UINTN Size;\r
+ UINTN Size2;\r
\r
NULL_CHECK(Session);\r
NULL_CHECK(SupportedAttributes);\r
}\r
}\r
\r
+ //\r
+ // For some pyrite 2.0 device, it contains both pyrite 1.0 and 2.0 feature data.\r
+ // so here try to get data from pyrite 2.0 feature data first.\r
+ //\r
Size = 0;\r
Feat = (OPAL_LEVEL0_FEATURE_DESCRIPTOR*) TcgGetFeature (DiscoveryHeader, TCG_FEATURE_PYRITE_SSC, &Size);\r
- SupportedAttributes->PyriteSsc = (Feat != NULL);\r
- if (Feat != NULL && Size >= sizeof (PYRITE_SSC_FEATURE_DESCRIPTOR)) {\r
+ Size2 = 0;\r
+ Feat2 = (OPAL_LEVEL0_FEATURE_DESCRIPTOR*) TcgGetFeature (DiscoveryHeader, TCG_FEATURE_PYRITE_SSC_V2_0_0, &Size2);\r
+ if (Feat2 != NULL && Size2 >= sizeof (PYRITE_SSCV2_FEATURE_DESCRIPTOR)) {\r
+ SupportedAttributes->PyriteSscV2 = TRUE;\r
if (*OpalBaseComId == TCG_RESERVED_COMID) {\r
- *OpalBaseComId = SwapBytes16 (Feat->PyriteSsc.BaseComdIdBE);\r
- SupportedAttributes->InitCpinIndicator = (Feat->PyriteSsc.InitialCPINSIDPIN == 0);\r
- SupportedAttributes->CpinUponRevert = (Feat->PyriteSsc.CPINSIDPINRevertBehavior == 0);\r
- DEBUG ((DEBUG_INFO, "Pyrite SSC InitCpinIndicator %d CpinUponRevert %d \n",\r
+ *OpalBaseComId = SwapBytes16 (Feat2->PyriteSscV2.BaseComdIdBE);\r
+ SupportedAttributes->InitCpinIndicator = (Feat2->PyriteSscV2.InitialCPINSIDPIN == 0);\r
+ SupportedAttributes->CpinUponRevert = (Feat2->PyriteSscV2.CPINSIDPINRevertBehavior == 0);\r
+ DEBUG ((DEBUG_INFO, "Pyrite SSC V2 InitCpinIndicator %d CpinUponRevert %d \n",\r
SupportedAttributes->InitCpinIndicator,\r
SupportedAttributes->CpinUponRevert\r
));\r
}\r
+ } else {\r
+ SupportedAttributes->PyriteSsc = (Feat != NULL);\r
+ if (Feat != NULL && Size >= sizeof (PYRITE_SSC_FEATURE_DESCRIPTOR)) {\r
+ if (*OpalBaseComId == TCG_RESERVED_COMID) {\r
+ *OpalBaseComId = SwapBytes16 (Feat->PyriteSsc.BaseComdIdBE);\r
+ SupportedAttributes->InitCpinIndicator = (Feat->PyriteSsc.InitialCPINSIDPIN == 0);\r
+ SupportedAttributes->CpinUponRevert = (Feat->PyriteSsc.CPINSIDPINRevertBehavior == 0);\r
+ DEBUG ((DEBUG_INFO, "Pyrite SSC InitCpinIndicator %d CpinUponRevert %d \n",\r
+ SupportedAttributes->InitCpinIndicator,\r
+ SupportedAttributes->CpinUponRevert\r
+ ));\r
+ }\r
+ }\r
}\r
\r
Size = 0;\r
Feat = (OPAL_LEVEL0_FEATURE_DESCRIPTOR*) TcgGetFeature (DiscoveryHeader, TCG_FEATURE_LOCKING, &Size);\r
if (Feat != NULL && Size >= sizeof (TCG_LOCKING_FEATURE_DESCRIPTOR)) {\r
SupportedAttributes->MediaEncryption = Feat->Locking.MediaEncryption;\r
+ DEBUG ((DEBUG_INFO, "SupportedAttributes->MediaEncryption 0x%X \n", SupportedAttributes->MediaEncryption));\r
}\r
\r
Size = 0;\r
Feat = (OPAL_LEVEL0_FEATURE_DESCRIPTOR*) TcgGetFeature (DiscoveryHeader, TCG_FEATURE_BLOCK_SID, &Size);\r
if (Feat != NULL && Size >= sizeof (TCG_BLOCK_SID_FEATURE_DESCRIPTOR)) {\r
SupportedAttributes->BlockSid = TRUE;\r
+ DEBUG ((DEBUG_INFO, "BlockSid Supported!!! Current Status is 0x%X \n", Feat->BlockSid.SIDBlockedState));\r
+ } else {\r
+ DEBUG ((DEBUG_INFO, "BlockSid Unsupported!!!"));\r
}\r
\r
- DEBUG ((DEBUG_INFO, "Base COMID 0x%04X \n", *OpalBaseComId));\r
+ Size = 0;\r
+ Feat = (OPAL_LEVEL0_FEATURE_DESCRIPTOR*) TcgGetFeature (DiscoveryHeader, TCG_FEATURE_DATA_REMOVAL, &Size);\r
+ if (Feat != NULL && Size >= sizeof (DATA_REMOVAL_FEATURE_DESCRIPTOR)) {\r
+ SupportedAttributes->DataRemoval = TRUE;\r
+ DEBUG ((DEBUG_INFO, "DataRemoval Feature Supported!\n"));\r
+ DEBUG ((DEBUG_INFO, "Operation Processing = 0x%x\n", Feat->DataRemoval.OperationProcessing));\r
+ DEBUG ((DEBUG_INFO, "RemovalMechanism = 0x%x\n", Feat->DataRemoval.RemovalMechanism));\r
+ DEBUG ((DEBUG_INFO, "BIT0 :: Format = 0x%x, Time = 0x%x\n", Feat->DataRemoval.FormatBit0, SwapBytes16 (Feat->DataRemoval.TimeBit0)));\r
+ DEBUG ((DEBUG_INFO, "BIT1 :: Format = 0x%x, Time = 0x%x\n", Feat->DataRemoval.FormatBit1, SwapBytes16 (Feat->DataRemoval.TimeBit1)));\r
+ DEBUG ((DEBUG_INFO, "BIT2 :: Format = 0x%x, Time = 0x%x\n", Feat->DataRemoval.FormatBit2, SwapBytes16 (Feat->DataRemoval.TimeBit2)));\r
+ DEBUG ((DEBUG_INFO, "BIT3 :: Format = 0x%x, Time = 0x%x\n", Feat->DataRemoval.FormatBit3, SwapBytes16 (Feat->DataRemoval.TimeBit3)));\r
+ DEBUG ((DEBUG_INFO, "BIT4 :: Format = 0x%x, Time = 0x%x\n", Feat->DataRemoval.FormatBit4, SwapBytes16 (Feat->DataRemoval.TimeBit4)));\r
+ }\r
\r
+ DEBUG ((DEBUG_INFO, "Base COMID 0x%04X \n", *OpalBaseComId));\r
\r
return TcgResultSuccess;\r
}\r
return TcgResultSuccess;\r
}\r
\r
+/**\r
+\r
+ Get the descriptor for the specific feature code.\r
+\r
+ @param[in] Session OPAL_SESSION with OPAL_UID_LOCKING_SP to retrieve info.\r
+ @param[in] FeatureCode The feature code user request.\r
+ @param[in, out] DataSize The data size.\r
+ @param[out] Data The data buffer used to save the feature descriptor.\r
+\r
+**/\r
+TCG_RESULT\r
+EFIAPI\r
+OpalGetFeatureDescriptor (\r
+ IN OPAL_SESSION *Session,\r
+ IN UINT16 FeatureCode,\r
+ IN OUT UINTN *DataSize,\r
+ OUT VOID *Data\r
+ )\r
+{\r
+ UINT8 Buffer[BUFFER_SIZE];\r
+ TCG_LEVEL0_DISCOVERY_HEADER *DiscoveryHeader;\r
+ OPAL_LEVEL0_FEATURE_DESCRIPTOR *Feat;\r
+ UINTN Size;\r
+\r
+ NULL_CHECK(Session);\r
+ NULL_CHECK(DataSize);\r
+ NULL_CHECK(Data);\r
+\r
+ ZeroMem(Buffer, BUFFER_SIZE);\r
+ ASSERT(sizeof(Buffer) >= sizeof(TCG_SUPPORTED_SECURITY_PROTOCOLS));\r
+\r
+ if (OpalRetrieveLevel0DiscoveryHeader (Session, BUFFER_SIZE, Buffer) == TcgResultFailure) {\r
+ DEBUG ((DEBUG_INFO, "OpalRetrieveLevel0DiscoveryHeader failed\n"));\r
+ return TcgResultFailure;\r
+ }\r
+ DiscoveryHeader = (TCG_LEVEL0_DISCOVERY_HEADER*) Buffer;\r
+\r
+ Size = 0;\r
+ Feat = (OPAL_LEVEL0_FEATURE_DESCRIPTOR*) TcgGetFeature (DiscoveryHeader, FeatureCode, &Size);\r
+ if (Feat != NULL) {\r
+ if (Size > *DataSize) {\r
+ *DataSize = Size;\r
+ return TcgResultFailureBufferTooSmall;\r
+ }\r
+\r
+ *DataSize = Size;\r
+ CopyMem (Data, Feat, Size);\r
+ }\r
+\r
+ return TcgResultSuccess;\r
+}\r
+\r
/**\r
\r
The function determines whether or not all of the requirements for the Opal Feature (not full specification)\r
if (SupportedAttributes->OpalSscLite == 0 &&\r
SupportedAttributes->OpalSsc1 == 0 &&\r
SupportedAttributes->OpalSsc2 == 0 &&\r
- SupportedAttributes->PyriteSsc == 0\r
+ SupportedAttributes->PyriteSsc == 0 &&\r
+ SupportedAttributes->PyriteSscV2 == 0\r
) {\r
return FALSE;\r
}\r
/** @file\r
Public API for Opal Core library.\r
\r
-Copyright (c) 2016, Intel Corporation. All rights reserved.<BR>\r
+Copyright (c) 2016 - 2018, Intel Corporation. All rights reserved.<BR>\r
This program and the accompanying materials\r
are licensed and made available under the terms and conditions of the BSD License\r
which accompanies this distribution. The full text of the license may be found at\r
#include <Library/BaseLib.h>\r
#include <Library/DebugLib.h>\r
#include <Library/TcgStorageOpalLib.h>\r
+#include "TcgStorageOpalLibInternal.h"\r
\r
+#define OPAL_MSID_LENGHT 128\r
\r
/**\r
Creates a session with OPAL_UID_ADMIN_SP as OPAL_ADMIN_SP_PSID_AUTHORITY, then reverts device using Admin SP Revert method.\r
{\r
UINT8 MethodStatus;\r
TCG_RESULT Ret;\r
+ UINT32 RemovalTimeOut;\r
\r
NULL_CHECK(Session);\r
NULL_CHECK(Psid);\r
\r
+ RemovalTimeOut = GetRevertTimeOut (Session);\r
+ DEBUG ((DEBUG_INFO, "OpalUtilPsidRevert: Timeout value = %d\n", RemovalTimeOut));\r
+\r
Ret = OpalStartSession(\r
Session,\r
OPAL_UID_ADMIN_SP,\r
OPAL_ADMIN_SP_PSID_AUTHORITY,\r
&MethodStatus);\r
if (Ret == TcgResultSuccess && MethodStatus == TCG_METHOD_STATUS_CODE_SUCCESS) {\r
- Ret = OpalPsidRevert(Session);\r
+ Ret = OpalPyrite2PsidRevert(Session, RemovalTimeOut);\r
if (Ret != TcgResultSuccess) {\r
//\r
// If revert was successful, session was already ended by TPer, so only end session on failure\r
{\r
UINT8 MethodStatus;\r
TCG_RESULT Ret;\r
+ UINT32 RemovalTimeOut;\r
\r
NULL_CHECK(Session);\r
NULL_CHECK(Msid);\r
NULL_CHECK(Password);\r
NULL_CHECK(PasswordFailed);\r
\r
+ RemovalTimeOut = GetRevertTimeOut (Session);\r
+ DEBUG ((DEBUG_INFO, "OpalUtilRevert: Timeout value = %d\n", RemovalTimeOut));\r
+\r
Ret = OpalStartSession(\r
Session,\r
OPAL_UID_LOCKING_SP,\r
//\r
// Try to revert with admin1\r
//\r
- Ret = OpalAdminRevert(Session, KeepUserData, &MethodStatus);\r
+ Ret = OpalPyrite2AdminRevert(Session, KeepUserData, &MethodStatus, RemovalTimeOut);\r
if (Ret != TcgResultSuccess || MethodStatus != TCG_METHOD_STATUS_CODE_SUCCESS) {\r
//\r
// Device ends the session on successful revert, so only call OpalEndSession when fail.\r
return (OwnerShip == OpalOwnershipUnknown && LockingFeature->LockingEnabled);\r
}\r
\r
+/**\r
+ Get Active Data Removal Mechanism Value.\r
+\r
+ @param[in] Session The session info for one opal device.\r
+ @param[in] GeneratedSid Generated SID of disk\r
+ @param[in] SidLength Length of generatedSid in bytes\r
+ @param[out] ActiveDataRemovalMechanism Return the active data removal mechanism.\r
+\r
+**/\r
+TCG_RESULT\r
+EFIAPI\r
+OpalUtilGetActiveDataRemovalMechanism (\r
+ OPAL_SESSION *Session,\r
+ const VOID *GeneratedSid,\r
+ UINT32 SidLength,\r
+ UINT8 *ActiveDataRemovalMechanism\r
+ )\r
+{\r
+ TCG_RESULT Ret;\r
+ UINT8 MethodStatus;\r
+\r
+ NULL_CHECK(Session);\r
+ NULL_CHECK(GeneratedSid);\r
+ NULL_CHECK(ActiveDataRemovalMechanism);\r
+\r
+ Ret = OpalStartSession(\r
+ Session,\r
+ OPAL_UID_ADMIN_SP,\r
+ TRUE,\r
+ SidLength,\r
+ GeneratedSid,\r
+ OPAL_ADMIN_SP_ANYBODY_AUTHORITY,\r
+ &MethodStatus\r
+ );\r
+ if (Ret != TcgResultSuccess || MethodStatus != TCG_METHOD_STATUS_CODE_SUCCESS) {\r
+ DEBUG ((DEBUG_INFO, "Start session with admin SP as SID authority failed: Ret=%d MethodStatus=%u\n", Ret, MethodStatus));\r
+ if (MethodStatus != TCG_METHOD_STATUS_CODE_SUCCESS) {\r
+ Ret = TcgResultFailure;\r
+ }\r
+ return Ret;\r
+ }\r
+\r
+ Ret = OpalPyrite2GetActiveDataRemovalMechanism (\r
+ Session,\r
+ ActiveDataRemovalMechanism\r
+ );\r
+\r
+ if (Ret != TcgResultSuccess) {\r
+ DEBUG ((DEBUG_INFO, "Pyrite2 Get Active Data Removal Mechanism failed: Ret=%d\n", Ret));\r
+ }\r
+\r
+ OpalEndSession(Session);\r
+\r
+ return Ret;\r
+}\r
+\r
+/**\r
+ Calculate the estimated time.\r
+\r
+ @param[in] IsMinite Whether the input time value is minute type or second type.\r
+ @param[in] Time The input time value.\r
+\r
+**/\r
+UINT32\r
+CalculateDataRemovalTime (\r
+ IN BOOLEAN IsMinute,\r
+ IN UINT16 Time\r
+ )\r
+{\r
+ if (IsMinute) {\r
+ return Time * 2 * 60;\r
+ } else {\r
+ return Time * 2;\r
+ }\r
+}\r
+\r
+/**\r
+ Return the estimated time for specific type.\r
+\r
+ @param[in] Index The input data removal type.\r
+ @param[in] Descriptor DATA_REMOVAL_FEATURE_DESCRIPTOR\r
+\r
+**/\r
+UINT32\r
+GetDataRemovalTime (\r
+ IN UINT8 Index,\r
+ IN DATA_REMOVAL_FEATURE_DESCRIPTOR *Descriptor\r
+ )\r
+{\r
+ switch (Index) {\r
+ case OverwriteDataErase:\r
+ return CalculateDataRemovalTime (Descriptor->FormatBit0, SwapBytes16 (Descriptor->TimeBit0));\r
+\r
+ case BlockErase:\r
+ return CalculateDataRemovalTime (Descriptor->FormatBit1, SwapBytes16 (Descriptor->TimeBit1));\r
+\r
+ case CryptoErase:\r
+ return CalculateDataRemovalTime (Descriptor->FormatBit2, SwapBytes16 (Descriptor->TimeBit2));\r
+\r
+ case Unmap:\r
+ return CalculateDataRemovalTime (Descriptor->FormatBit3, SwapBytes16 (Descriptor->TimeBit3));\r
+\r
+ case ResetWritePointers:\r
+ return CalculateDataRemovalTime (Descriptor->FormatBit4, SwapBytes16 (Descriptor->TimeBit4));\r
+\r
+ case VendorSpecificErase:\r
+ return CalculateDataRemovalTime (Descriptor->FormatBit5, SwapBytes16 (Descriptor->TimeBit5));\r
+\r
+ default:\r
+ return 0;\r
+ }\r
+}\r
+\r
+/**\r
+ Get the supported Data Removal Mechanism list.\r
+\r
+ @param[in] Session The session info for one opal device.\r
+ @param[out] RemovalMechanismLists Return the supported data removal mechanism lists.\r
+\r
+**/\r
+TCG_RESULT\r
+EFIAPI\r
+OpalUtilGetDataRemovalMechanismLists (\r
+ IN OPAL_SESSION *Session,\r
+ OUT UINT32 *RemovalMechanismLists\r
+ )\r
+{\r
+ TCG_RESULT Ret;\r
+ UINTN DataSize;\r
+ DATA_REMOVAL_FEATURE_DESCRIPTOR Descriptor;\r
+ UINT8 Index;\r
+ UINT8 BitValue;\r
+\r
+ NULL_CHECK(Session);\r
+ NULL_CHECK(RemovalMechanismLists);\r
+\r
+ DataSize = sizeof (Descriptor);\r
+ Ret = OpalGetFeatureDescriptor (Session, TCG_FEATURE_DATA_REMOVAL, &DataSize, &Descriptor);\r
+ if (Ret != TcgResultSuccess) {\r
+ return TcgResultFailure;\r
+ }\r
+\r
+ ASSERT (Descriptor.RemovalMechanism != 0);\r
+\r
+ for (Index = 0; Index < ResearvedMechanism; Index ++) {\r
+ BitValue = (BOOLEAN) BitFieldRead8 (Descriptor.RemovalMechanism, Index, Index);\r
+\r
+ if (BitValue == 0) {\r
+ RemovalMechanismLists[Index] = 0;\r
+ } else {\r
+ RemovalMechanismLists[Index] = GetDataRemovalTime (Index, &Descriptor);\r
+ }\r
+ }\r
+\r
+ return TcgResultSuccess;\r
+}\r
+\r
+/**\r
+ Get revert timeout value.\r
+\r
+ @param[in] Session The session info for one opal device.\r
+\r
+**/\r
+UINT32\r
+GetRevertTimeOut (\r
+ IN OPAL_SESSION *Session\r
+ )\r
+{\r
+ TCG_RESULT TcgResult;\r
+ OPAL_DISK_SUPPORT_ATTRIBUTE SupportedAttributes;\r
+ UINT16 BaseComId;\r
+ UINT32 MsidLength;\r
+ UINT8 Msid[OPAL_MSID_LENGHT];\r
+ UINT32 RemovalMechanishLists[ResearvedMechanism];\r
+ UINT8 ActiveDataRemovalMechanism;\r
+\r
+ TcgResult = OpalGetSupportedAttributesInfo (Session, &SupportedAttributes, &BaseComId);\r
+ if (TcgResult != TcgResultSuccess || SupportedAttributes.DataRemoval == 0) {\r
+ return 0;\r
+ }\r
+\r
+ TcgResult = OpalUtilGetMsid (Session, Msid, OPAL_MSID_LENGHT, &MsidLength);\r
+ if (TcgResult != TcgResultSuccess) {\r
+ return 0;\r
+ }\r
+\r
+ TcgResult = OpalUtilGetDataRemovalMechanismLists (Session, RemovalMechanishLists);\r
+ if (TcgResult != TcgResultSuccess) {\r
+ return 0;\r
+ }\r
+\r
+ TcgResult = OpalUtilGetActiveDataRemovalMechanism (Session, Msid, MsidLength, &ActiveDataRemovalMechanism);\r
+ if (TcgResult != TcgResultSuccess) {\r
+ return 0;\r
+ }\r
+\r
+ return RemovalMechanishLists[ActiveDataRemovalMechanism];\r
+}\r
projects / mirror_edk2.git / commitdiff