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From: "Abhimanyu Singh" <Abhi.Singh@arm.com>
To: devel@edk2.groups.io
Cc: Abhi Singh <Abhi.Singh@arm.com>,
	G Edhaya Chandran <edhaya.chandran@arm.com>,
	Barton Gao <gaojie@byosoft.com.cn>,
	Carolyn Gjertsen <carolyn.gjertsen@amd.com>,
	Abhi Singh <abhi.singh@arm.com>,
	Stuart Yoder <stuart.yoder@arm.com>
Subject: [edk2-devel] [PATCH v4 5/6] uefi-sct/SctPkg: TCG MORLOCK Locked No Key State Test
Date: Tue,  5 Mar 2024 17:36:21 -0600	[thread overview]
Message-ID: <20240305233622.747522-6-Abhi.Singh@arm.com> (raw)
In-Reply-To: <20240305233622.747522-1-Abhi.Singh@arm.com>

SCT spec: https://bugzilla.tianocore.org/show_bug.cgi?id=4374

BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=4419

-Implement MemoryOverwriteRequestControlLock Locked No Key
 State test cases
 -Add Assertions 21 - 31 from SCT spec
 -Add Test Case to MemoryOverwriteRequestFunctionTest

Cc: G Edhaya Chandran <edhaya.chandran@arm.com>
Cc: Barton Gao <gaojie@byosoft.com.cn>
Cc: Carolyn Gjertsen <carolyn.gjertsen@amd.com>

Signed-off-by: Abhi Singh <abhi.singh@arm.com>

Reviewed-by: Stuart Yoder <stuart.yoder@arm.com>
---
 uefi-sct/SctPkg/TestCase/UEFI/EFI/RuntimeServices/TCGMemoryOverwriteRequest/BlackBoxTest/Guid.h                                    |  61 +++
 uefi-sct/SctPkg/TestCase/UEFI/EFI/RuntimeServices/TCGMemoryOverwriteRequest/BlackBoxTest/TCGMemoryOverwriteRequestBBTestMain.h     |  11 +
 uefi-sct/SctPkg/TestCase/UEFI/EFI/RuntimeServices/TCGMemoryOverwriteRequest/BlackBoxTest/Guid.c                                    |  25 ++
 uefi-sct/SctPkg/TestCase/UEFI/EFI/RuntimeServices/TCGMemoryOverwriteRequest/BlackBoxTest/TCGMemoryOverwriteRequestBBTestFunction.c | 472 ++++++++++++++++++++
 4 files changed, 569 insertions(+)

diff --git a/uefi-sct/SctPkg/TestCase/UEFI/EFI/RuntimeServices/TCGMemoryOverwriteRequest/BlackBoxTest/Guid.h b/uefi-sct/SctPkg/TestCase/UEFI/EFI/RuntimeServices/TCGMemoryOverwriteRequest/BlackBoxTest/Guid.h
index 1ca43a393f29..612e6ee436e0 100644
--- a/uefi-sct/SctPkg/TestCase/UEFI/EFI/RuntimeServices/TCGMemoryOverwriteRequest/BlackBoxTest/Guid.h
+++ b/uefi-sct/SctPkg/TestCase/UEFI/EFI/RuntimeServices/TCGMemoryOverwriteRequest/BlackBoxTest/Guid.h
@@ -85,6 +85,42 @@ Abstract:
 #define EFI_TEST_TCGMORTESTFUNCTION_ASSERTION_020_GUID \
 { 0x2eba284a, 0xf701, 0x4c19, {0xbe, 0x5c, 0x39, 0x27, 0xb0, 0x68, 0x4f, 0xd7 }}
 
+<<<<<<< HEAD
+=======
+#define EFI_TEST_TCGMORTESTFUNCTION_ASSERTION_021_GUID \
+{ 0x9a1b44ae, 0x08ce, 0x474c, {0xa5, 0x8e, 0xa6, 0xe2, 0xcf, 0xaf, 0x91, 0x2c }}
+
+#define EFI_TEST_TCGMORTESTFUNCTION_ASSERTION_022_GUID \
+{ 0x490d7b39, 0xcad4, 0x4e8c, {0xb1, 0x5d, 0x63, 0xd2, 0x0c, 0xb3, 0xe9, 0x45 }}
+
+#define EFI_TEST_TCGMORTESTFUNCTION_ASSERTION_023_GUID \
+{ 0x397394ae, 0xce01, 0x4350, {0xa2, 0x0c, 0xe1, 0xb3, 0xe8, 0x74, 0xdc, 0x01 }}
+
+#define EFI_TEST_TCGMORTESTFUNCTION_ASSERTION_024_GUID \
+{ 0x9cf27a60, 0x94b5, 0x4e2e, {0xb3, 0x2b, 0x51, 0x0f, 0x24, 0x7a, 0x80, 0xd7 }}
+
+#define EFI_TEST_TCGMORTESTFUNCTION_ASSERTION_025_GUID \
+{ 0x766dc008, 0x2a88, 0x4eed, {0x91, 0x95, 0x46, 0x92, 0xdc, 0xcc, 0x1d, 0xf6 }}
+
+#define EFI_TEST_TCGMORTESTFUNCTION_ASSERTION_026_GUID \
+{ 0x5f66c8e5, 0x1bf8, 0x4af4, {0x86, 0x45, 0xf4, 0x93, 0xa0, 0xee, 0x26, 0x88 }}
+
+#define EFI_TEST_TCGMORTESTFUNCTION_ASSERTION_027_GUID \
+{ 0x1064f6ce, 0xb307, 0x4981, {0xac, 0x8f, 0xe5, 0xca, 0x20, 0x6c, 0x1b, 0x8b }}
+
+#define EFI_TEST_TCGMORTESTFUNCTION_ASSERTION_028_GUID \
+{ 0x40f2c4e9, 0xe937, 0x426e, {0x98, 0xc5, 0x62, 0xca, 0x23, 0x68, 0x52, 0xd0 }}
+
+#define EFI_TEST_TCGMORTESTFUNCTION_ASSERTION_029_GUID \
+{ 0x6d5dcb4d, 0xe008, 0x41cc, {0x98, 0x32, 0xdf, 0xa8, 0x38, 0xb1, 0xb6, 0x02 }}
+
+#define EFI_TEST_TCGMORTESTFUNCTION_ASSERTION_030_GUID \
+{ 0x29b81ee0, 0x368d, 0x447c, {0x9e, 0xd0, 0xa5, 0xfe, 0xd7, 0x02, 0x65, 0x7b }}
+
+#define EFI_TEST_TCGMORTESTFUNCTION_ASSERTION_031_GUID \
+{ 0xe88b22ce, 0x3de6, 0x49b0, {0xb2, 0x46, 0x9e, 0x35, 0x98, 0x2b, 0x9b, 0x1c }}
+
+>>>>>>> 3542bef7c1d2 (uefi-sct/SctPkg: TCG MORLOCK Locked No Key State Test)
 extern EFI_GUID gTCGMemoryOverwriteRequestTestFunctionAssertionGuid001;
 
 extern EFI_GUID gTCGMemoryOverwriteRequestTestFunctionAssertionGuid002;
@@ -124,3 +160,28 @@ extern EFI_GUID gTCGMemoryOverwriteRequestTestFunctionAssertionGuid018;
 extern EFI_GUID gTCGMemoryOverwriteRequestTestFunctionAssertionGuid019;
 
 extern EFI_GUID gTCGMemoryOverwriteRequestTestFunctionAssertionGuid020;
+<<<<<<< HEAD
+=======
+
+extern EFI_GUID gTCGMemoryOverwriteRequestTestFunctionAssertionGuid021;
+
+extern EFI_GUID gTCGMemoryOverwriteRequestTestFunctionAssertionGuid022;
+
+extern EFI_GUID gTCGMemoryOverwriteRequestTestFunctionAssertionGuid023;
+
+extern EFI_GUID gTCGMemoryOverwriteRequestTestFunctionAssertionGuid024;
+
+extern EFI_GUID gTCGMemoryOverwriteRequestTestFunctionAssertionGuid025;
+
+extern EFI_GUID gTCGMemoryOverwriteRequestTestFunctionAssertionGuid026;
+
+extern EFI_GUID gTCGMemoryOverwriteRequestTestFunctionAssertionGuid027;
+
+extern EFI_GUID gTCGMemoryOverwriteRequestTestFunctionAssertionGuid028;
+
+extern EFI_GUID gTCGMemoryOverwriteRequestTestFunctionAssertionGuid029;
+
+extern EFI_GUID gTCGMemoryOverwriteRequestTestFunctionAssertionGuid030;
+
+extern EFI_GUID gTCGMemoryOverwriteRequestTestFunctionAssertionGuid031;
+>>>>>>> 3542bef7c1d2 (uefi-sct/SctPkg: TCG MORLOCK Locked No Key State Test)
diff --git a/uefi-sct/SctPkg/TestCase/UEFI/EFI/RuntimeServices/TCGMemoryOverwriteRequest/BlackBoxTest/TCGMemoryOverwriteRequestBBTestMain.h b/uefi-sct/SctPkg/TestCase/UEFI/EFI/RuntimeServices/TCGMemoryOverwriteRequest/BlackBoxTest/TCGMemoryOverwriteRequestBBTestMain.h
index 15eedc60f19d..94ed476f86ad 100644
--- a/uefi-sct/SctPkg/TestCase/UEFI/EFI/RuntimeServices/TCGMemoryOverwriteRequest/BlackBoxTest/TCGMemoryOverwriteRequestBBTestMain.h
+++ b/uefi-sct/SctPkg/TestCase/UEFI/EFI/RuntimeServices/TCGMemoryOverwriteRequest/BlackBoxTest/TCGMemoryOverwriteRequestBBTestMain.h
@@ -51,6 +51,10 @@ typedef struct _RESET_DATA {
 #define MOR_LOCK_DATA_UNLOCKED            0x0
 #define MOR_LOCK_DATA_LOCKED_WITHOUT_KEY  0x1
 
+#define MOR_LOCK_WITH_KEY_SIZE            8
+
+#define MOR_LOCK_TEST_KEY                 0x11111111
+
 
 //
 // TEST GUID for TCG Platform Reset Attack Mitigation MemoryOverwriteRequest (MOR) Test
@@ -107,6 +111,13 @@ TCGMemoryOverwriteRequestControlLockUnlockedState (
   IN RESET_DATA                               *ResetData
 );
 
+EFI_STATUS
+TCGMemoryOverwriteRequestControlLockLockedNoKeyState (
+  IN EFI_STANDARD_TEST_LIBRARY_PROTOCOL       *StandardLib,
+  IN EFI_TEST_RECOVERY_LIBRARY_PROTOCOL       *RecoveryLib,
+  IN RESET_DATA                               *ResetData
+  );
+
 // ****************************************************************************
 //   Entry GUIDs for Test
 // ****************************************************************************
diff --git a/uefi-sct/SctPkg/TestCase/UEFI/EFI/RuntimeServices/TCGMemoryOverwriteRequest/BlackBoxTest/Guid.c b/uefi-sct/SctPkg/TestCase/UEFI/EFI/RuntimeServices/TCGMemoryOverwriteRequest/BlackBoxTest/Guid.c
index fe8853452979..7e00224c325c 100644
--- a/uefi-sct/SctPkg/TestCase/UEFI/EFI/RuntimeServices/TCGMemoryOverwriteRequest/BlackBoxTest/Guid.c
+++ b/uefi-sct/SctPkg/TestCase/UEFI/EFI/RuntimeServices/TCGMemoryOverwriteRequest/BlackBoxTest/Guid.c
@@ -67,3 +67,28 @@ EFI_GUID gTCGMemoryOverwriteRequestTestFunctionAssertionGuid018 = EFI_TEST_TCGMO
 EFI_GUID gTCGMemoryOverwriteRequestTestFunctionAssertionGuid019 = EFI_TEST_TCGMORTESTFUNCTION_ASSERTION_019_GUID;
 
 EFI_GUID gTCGMemoryOverwriteRequestTestFunctionAssertionGuid020 = EFI_TEST_TCGMORTESTFUNCTION_ASSERTION_020_GUID;
+<<<<<<< HEAD
+=======
+
+EFI_GUID gTCGMemoryOverwriteRequestTestFunctionAssertionGuid021 = EFI_TEST_TCGMORTESTFUNCTION_ASSERTION_021_GUID;
+
+EFI_GUID gTCGMemoryOverwriteRequestTestFunctionAssertionGuid022 = EFI_TEST_TCGMORTESTFUNCTION_ASSERTION_022_GUID;
+
+EFI_GUID gTCGMemoryOverwriteRequestTestFunctionAssertionGuid023 = EFI_TEST_TCGMORTESTFUNCTION_ASSERTION_023_GUID;
+
+EFI_GUID gTCGMemoryOverwriteRequestTestFunctionAssertionGuid024 = EFI_TEST_TCGMORTESTFUNCTION_ASSERTION_024_GUID;
+
+EFI_GUID gTCGMemoryOverwriteRequestTestFunctionAssertionGuid025 = EFI_TEST_TCGMORTESTFUNCTION_ASSERTION_025_GUID;
+
+EFI_GUID gTCGMemoryOverwriteRequestTestFunctionAssertionGuid026 = EFI_TEST_TCGMORTESTFUNCTION_ASSERTION_026_GUID;
+
+EFI_GUID gTCGMemoryOverwriteRequestTestFunctionAssertionGuid027 = EFI_TEST_TCGMORTESTFUNCTION_ASSERTION_027_GUID;
+
+EFI_GUID gTCGMemoryOverwriteRequestTestFunctionAssertionGuid028 = EFI_TEST_TCGMORTESTFUNCTION_ASSERTION_028_GUID;
+
+EFI_GUID gTCGMemoryOverwriteRequestTestFunctionAssertionGuid029 = EFI_TEST_TCGMORTESTFUNCTION_ASSERTION_029_GUID;
+
+EFI_GUID gTCGMemoryOverwriteRequestTestFunctionAssertionGuid030 = EFI_TEST_TCGMORTESTFUNCTION_ASSERTION_030_GUID;
+
+EFI_GUID gTCGMemoryOverwriteRequestTestFunctionAssertionGuid031 = EFI_TEST_TCGMORTESTFUNCTION_ASSERTION_031_GUID;
+>>>>>>> 3542bef7c1d2 (uefi-sct/SctPkg: TCG MORLOCK Locked No Key State Test)
diff --git a/uefi-sct/SctPkg/TestCase/UEFI/EFI/RuntimeServices/TCGMemoryOverwriteRequest/BlackBoxTest/TCGMemoryOverwriteRequestBBTestFunction.c b/uefi-sct/SctPkg/TestCase/UEFI/EFI/RuntimeServices/TCGMemoryOverwriteRequest/BlackBoxTest/TCGMemoryOverwriteRequestBBTestFunction.c
index fe5ca180c104..7780b390a5f2 100644
--- a/uefi-sct/SctPkg/TestCase/UEFI/EFI/RuntimeServices/TCGMemoryOverwriteRequest/BlackBoxTest/TCGMemoryOverwriteRequestBBTestFunction.c
+++ b/uefi-sct/SctPkg/TestCase/UEFI/EFI/RuntimeServices/TCGMemoryOverwriteRequest/BlackBoxTest/TCGMemoryOverwriteRequestBBTestFunction.c
@@ -43,6 +43,8 @@ Abstract:
 
 #define LOCK_NO_KEY_STATE_TEST      5
 
+#define LOCK_WITH_KEY_STATE_TEST    6
+
 
 /**
  *  Entry point for TCG Platform Reset Attack Mitigation MemoryOverwrite EFI Variables Function Test.
@@ -180,6 +182,16 @@ BBTestTCGMemoryOverwriteRequestFunctionTest (
     }
     CheckpointStepMatched = TRUE;
   }
+  if (ResetData->CheckpointStep == LOCK_NO_KEY_STATE_TEST) {
+    //
+    // Test Checkpoint LOCK_NO_KEY_STATE_TEST
+    //
+    Status = TCGMemoryOverwriteRequestControlLockLockedNoKeyState (StandardLib, RecoveryLib, ResetData);
+    if(EFI_ERROR(Status)) {
+      return Status;
+    }
+    CheckpointStepMatched = TRUE;
+  }
 
   if (!CheckpointStepMatched) {
     return EFI_INVALID_PARAMETER; // incase of invalid CheckpointStep, return EFI_INVALID_PARAMETER
@@ -1247,3 +1259,463 @@ MORLOCK_UNLOCKED_STATE:
 
   return EFI_SUCCESS;
 }
+
+
+/**
+ *  MemoryOverwriteRequestControlLock in locked-without-key state test
+ *  When unlocked, a valid SetVariable() with Data value 0x01 must return EFI_SUCCESS
+ *  and the lock value must be 0x01, value cannot change till the system is cold reset
+ *
+ *  When locked-without-key, SetVariable() with Data = 0x01, 0x00, or 0x11111111 (key)
+ *  must return EFI_ACCESS_DENIED and value must still equal 0x01
+ *  @param StandardLib    A pointer to EFI_STANDARD_TEST_LIBRARY_PROTOCOL
+ *                        instance.
+ *  @param RecoveryLib    A pointer to EFI_TEST_RECOVERY_LIBRARY_PROTOCOL
+ *                        instance.
+ *  @param ResetData      A pointer to the ResetData Buffer which is used throughout
+ *                        the test
+ *  @return EFI_SUCCESS   Successfully.
+ *  @return Other value   Something failed.
+ */
+EFI_STATUS
+TCGMemoryOverwriteRequestControlLockLockedNoKeyState (
+  IN EFI_STANDARD_TEST_LIBRARY_PROTOCOL       *StandardLib,
+  IN EFI_TEST_RECOVERY_LIBRARY_PROTOCOL       *RecoveryLib,
+  IN RESET_DATA                               *ResetData
+  )
+{
+  EFI_STATUS                           Status;
+  EFI_TEST_ASSERTION                   Result;
+  UINTN                                DataSize;
+  UINTN                                MemoryOverwriteControlLockKeyValue;
+  UINT8                                MemoryOverwriteRequestControlLockData;
+  UINT8                                MemoryOverwriteRequestControlData;
+  UINT8                                MemoryOverwriteRequestControlDataCached;
+  UINT32                               Attributes;
+
+  //
+  // Check Step to see which part of test remains to be executed
+  //
+  switch (ResetData->Step) {
+    case 0:
+      goto INITIAL_RESET;
+    case 1:
+      goto MORLOCK_LOCKED_STATE;
+    default:
+      return EFI_INVALID_PARAMETER;
+  }
+
+INITIAL_RESET:
+  //
+  // Reset MORLOCK variable by performing a cold reset
+  //
+  ResetData->Step = 1;
+  ResetData->CheckpointStep = LOCK_NO_KEY_STATE_TEST;
+
+  Status = RecoveryLib->WriteResetRecord (
+                  RecoveryLib,
+                  sizeof (RESET_DATA),
+                  (UINT8*)ResetData
+                  );
+  if (EFI_ERROR(Status)) {
+    StandardLib->RecordAssertion (
+                  StandardLib,
+                  EFI_TEST_ASSERTION_FAILED,
+                  gTestGenericFailureGuid,
+                  L"TestRecoveryLib - WriteResetRecord",
+                  L"%a:%d:Status - %r",
+                  __FILE__,
+                  (UINTN)__LINE__,
+                  Status
+                  );
+    return Status;
+  }
+
+  SctPrint (L"System will cold reset after 1 second and test will be resumed after reboot.");
+  Status = gtBS->Stall(1000000);
+  if (EFI_ERROR(Status)) {
+      // Handle stall error
+      SctPrint(L"Error: Failed to stall the system.\n");
+      return Status;
+  }
+  gtRT->ResetSystem (
+                  EfiResetCold,
+                  EFI_SUCCESS,
+                  0,
+                  NULL
+                  );
+  SctPrint(L"Error: Failed to perform a cold reset.\n");
+  return EFI_DEVICE_ERROR;
+
+MORLOCK_LOCKED_STATE:
+  //change checkpoint to next function
+  ResetData->Step = 0;
+  ResetData->CheckpointStep = LOCK_WITH_KEY_STATE_TEST;
+
+  Status = RecoveryLib->WriteResetRecord (
+                  RecoveryLib,
+                  sizeof (RESET_DATA),
+                  (UINT8*)ResetData
+                  );
+  if (EFI_ERROR(Status)) {
+    StandardLib->RecordAssertion (
+                  StandardLib,
+                  EFI_TEST_ASSERTION_FAILED,
+                  gTestGenericFailureGuid,
+                  L"TestRecoveryLib - WriteResetRecord",
+                  L"%a:%d:Status - %r",
+                  __FILE__,
+                  (UINTN)__LINE__,
+                  Status
+                  );
+    return Status;
+  }
+
+  //
+  // After Cold Reset, MORLOCK SetVariable() with value 0x01 must return EFI_SUCCESS
+  // and MORLOCK GetVariable() value must now be MOR_LOCK_DATA_LOCKED_WITHOUT_KEY
+  //
+  DataSize = sizeof(MemoryOverwriteRequestControlLockData);
+  Attributes = TCG_MOR_VARIABLE_ATTRIBUTES;
+  MemoryOverwriteRequestControlLockData = MOR_LOCK_DATA_LOCKED_WITHOUT_KEY;
+
+  Status = gtRT->SetVariable (
+                  L"MemoryOverwriteRequestControlLock",        // VariableName
+                  &gEfiMemoryOverwriteRequestControlLockGuid,  // VendorGuid
+                  Attributes,                                  // Attributes
+                  DataSize,                                    // DataSize
+                  &MemoryOverwriteRequestControlLockData       // Data
+                  );
+  if (Status == EFI_SUCCESS) {
+    Result = EFI_TEST_ASSERTION_PASSED;
+  } else {
+    Result = EFI_TEST_ASSERTION_FAILED;
+  }
+
+  StandardLib->RecordAssertion (
+                  StandardLib,
+                  Result,
+                  gTCGMemoryOverwriteRequestTestFunctionAssertionGuid021,
+                  L"MemoryOverwriteRequestControlLock - Setting to locked-without-key when unlocked returns EFI_SUCCESS",
+                  L"%a:%d:Status - %r",
+                  __FILE__,
+                  (UINTN)__LINE__,
+                  Status
+                  );
+
+  DataSize = sizeof(MemoryOverwriteRequestControlLockData);
+  Attributes = TCG_MOR_VARIABLE_ATTRIBUTES;
+
+  Status = gtRT->GetVariable (
+                  L"MemoryOverwriteRequestControlLock",        // VariableName
+                  &gEfiMemoryOverwriteRequestControlLockGuid,  // VendorGuid
+                  &Attributes,                                 // Attributes
+                  &DataSize,                                   // DataSize
+                  &MemoryOverwriteRequestControlLockData       // Data
+                  );
+  if (EFI_ERROR (Status) || (MemoryOverwriteRequestControlLockData != MOR_LOCK_DATA_LOCKED_WITHOUT_KEY)) {
+    Result = EFI_TEST_ASSERTION_FAILED;
+  } else {
+    Result = EFI_TEST_ASSERTION_PASSED;
+  }
+
+  StandardLib->RecordAssertion (
+                  StandardLib,
+                  Result,
+                  gTCGMemoryOverwriteRequestTestFunctionAssertionGuid022,
+                  L"MemoryOverwriteRequestControlLock - Lock state is now locked-without-key",
+                  L"%a:%d:Status - %r",
+                  __FILE__,
+                  (UINTN)__LINE__,
+                  Status
+                  );
+
+  //
+  // Once locked-without-key, MORLOCK SetVariable() with value 0x00 must return EFI_ACCESS_DENIED
+  // and MORLOCK GetVariable() value must still be 0x01
+  //
+  DataSize = sizeof(MemoryOverwriteRequestControlLockData);
+  Attributes = TCG_MOR_VARIABLE_ATTRIBUTES;
+  MemoryOverwriteRequestControlLockData = MOR_LOCK_DATA_UNLOCKED;
+
+  Status = gtRT->SetVariable (
+                  L"MemoryOverwriteRequestControlLock",        // VariableName
+                  &gEfiMemoryOverwriteRequestControlLockGuid,  // VendorGuid
+                  Attributes,                                  // Attributes
+                  DataSize,                                    // DataSize
+                  &MemoryOverwriteRequestControlLockData       // Data
+                  );
+  if (Status == EFI_ACCESS_DENIED) {
+    Result = EFI_TEST_ASSERTION_PASSED;
+  } else {
+    Result = EFI_TEST_ASSERTION_FAILED;
+  }
+
+  StandardLib->RecordAssertion (
+                  StandardLib,
+                  Result,
+                  gTCGMemoryOverwriteRequestTestFunctionAssertionGuid023,
+                  L"MemoryOverwriteRequestControlLock - Setting to unlocked when locked-without-key returns EFI_ACCESS_DENIED",
+                  L"%a:%d:Status - %r",
+                  __FILE__,
+                  (UINTN)__LINE__,
+                  Status
+                  );
+
+  DataSize = sizeof(MemoryOverwriteRequestControlLockData);
+  Attributes = TCG_MOR_VARIABLE_ATTRIBUTES;
+
+  Status = gtRT->GetVariable (
+                  L"MemoryOverwriteRequestControlLock",        // VariableName
+                  &gEfiMemoryOverwriteRequestControlLockGuid,  // VendorGuid
+                  &Attributes,                                 // Attributes
+                  &DataSize,                                   // DataSize
+                  &MemoryOverwriteRequestControlLockData       // Data
+                  );
+  if (EFI_ERROR (Status) || (MemoryOverwriteRequestControlLockData != MOR_LOCK_DATA_LOCKED_WITHOUT_KEY)) {
+    Result = EFI_TEST_ASSERTION_FAILED;
+  } else {
+    Result = EFI_TEST_ASSERTION_PASSED;
+  }
+
+  StandardLib->RecordAssertion (
+                  StandardLib,
+                  Result,
+                  gTCGMemoryOverwriteRequestTestFunctionAssertionGuid024,
+                  L"MemoryOverwriteRequestControlLock - Lock state is still locked-without-key",
+                  L"%a:%d:Status - %r",
+                  __FILE__,
+                  (UINTN)__LINE__,
+                  Status
+                  );
+
+  //
+  // Once locked-without-key, MORLOCK SetVariable() with value 0x01 must return EFI_ACCESS_DENIED
+  // and MORLOCK GetVariable() value must still be 0x01
+  //
+  DataSize = sizeof(MemoryOverwriteRequestControlLockData);
+  Attributes = TCG_MOR_VARIABLE_ATTRIBUTES;
+  MemoryOverwriteRequestControlLockData = MOR_LOCK_DATA_LOCKED_WITHOUT_KEY;
+
+  Status = gtRT->SetVariable (
+                  L"MemoryOverwriteRequestControlLock",        // VariableName
+                  &gEfiMemoryOverwriteRequestControlLockGuid,  // VendorGuid
+                  Attributes,                                  // Attributes
+                  DataSize,                                    // DataSize
+                  &MemoryOverwriteRequestControlLockData       // Data
+                  );
+  if (Status == EFI_ACCESS_DENIED) {
+    Result = EFI_TEST_ASSERTION_PASSED;
+  } else {
+    Result = EFI_TEST_ASSERTION_FAILED;
+  }
+
+  StandardLib->RecordAssertion (
+                  StandardLib,
+                  Result,
+                  gTCGMemoryOverwriteRequestTestFunctionAssertionGuid025,
+                  L"MemoryOverwriteRequestControlLock - Setting to locked-without-key when already locked-without-key returns EFI_ACCESS_DENIED",
+                  L"%a:%d:Status - %r",
+                  __FILE__,
+                  (UINTN)__LINE__,
+                  Status
+                  );
+
+  DataSize = sizeof(MemoryOverwriteRequestControlLockData);
+  Attributes = TCG_MOR_VARIABLE_ATTRIBUTES;
+
+  Status = gtRT->GetVariable (
+                  L"MemoryOverwriteRequestControlLock",        // VariableName
+                  &gEfiMemoryOverwriteRequestControlLockGuid,  // VendorGuid
+                  &Attributes,                                 // Attributes
+                  &DataSize,                                   // DataSize
+                  &MemoryOverwriteRequestControlLockData       // Data
+                  );
+  if (EFI_ERROR (Status) || (MemoryOverwriteRequestControlLockData != MOR_LOCK_DATA_LOCKED_WITHOUT_KEY)) {
+    Result = EFI_TEST_ASSERTION_FAILED;
+  } else {
+    Result = EFI_TEST_ASSERTION_PASSED;
+  }
+
+  StandardLib->RecordAssertion (
+                  StandardLib,
+                  Result,
+                  gTCGMemoryOverwriteRequestTestFunctionAssertionGuid026,
+                  L"MemoryOverwriteRequestControlLock - Lock state is still locked-without-key",
+                  L"%a:%d:Status - %r",
+                  __FILE__,
+                  (UINTN)__LINE__,
+                  Status
+                  );
+
+  //
+  // Once locked-without-key, MORLOCK SetVariable() with 8 byte key = 0x11111111 must return EFI_ACCESS_DENIED
+  // and MORLOCK GetVariable() value must still be 0x01
+  //
+  DataSize = MOR_LOCK_WITH_KEY_SIZE;
+  Attributes = TCG_MOR_VARIABLE_ATTRIBUTES;
+  MemoryOverwriteControlLockKeyValue = MOR_LOCK_TEST_KEY;
+
+  Status = gtRT->SetVariable (
+                  L"MemoryOverwriteRequestControlLock",        // VariableName
+                  &gEfiMemoryOverwriteRequestControlLockGuid,  // VendorGuid
+                  Attributes,                                  // Attributes
+                  DataSize,                                    // DataSize
+                  &MemoryOverwriteControlLockKeyValue          // Data
+                  );
+  if (Status == EFI_ACCESS_DENIED) {
+    Result = EFI_TEST_ASSERTION_PASSED;
+  } else {
+    Result = EFI_TEST_ASSERTION_FAILED;
+  }
+
+  StandardLib->RecordAssertion (
+                  StandardLib,
+                  Result,
+                  gTCGMemoryOverwriteRequestTestFunctionAssertionGuid027,
+                  L"MemoryOverwriteRequestControlLock - Setting to locked-with-key when locked-without-key returns EFI_ACCESS_DENIED",
+                  L"%a:%d:Status - %r",
+                  __FILE__,
+                  (UINTN)__LINE__,
+                  Status
+                  );
+
+  DataSize = sizeof(MemoryOverwriteRequestControlLockData);
+  Attributes = TCG_MOR_VARIABLE_ATTRIBUTES;
+
+  Status = gtRT->GetVariable (
+                  L"MemoryOverwriteRequestControlLock",        // VariableName
+                  &gEfiMemoryOverwriteRequestControlLockGuid,  // VendorGuid
+                  &Attributes,                                 // Attributes
+                  &DataSize,                                   // DataSize
+                  &MemoryOverwriteRequestControlLockData       // Data
+                  );
+  if (EFI_ERROR (Status) || (MemoryOverwriteRequestControlLockData != MOR_LOCK_DATA_LOCKED_WITHOUT_KEY)) {
+    Result = EFI_TEST_ASSERTION_FAILED;
+  } else {
+    Result = EFI_TEST_ASSERTION_PASSED;
+  }
+
+  StandardLib->RecordAssertion (
+                  StandardLib,
+                  Result,
+                  gTCGMemoryOverwriteRequestTestFunctionAssertionGuid028,
+                  L"MemoryOverwriteRequestControlLock - Lock state is still locked-without-key",
+                  L"%a:%d:Status - %r",
+                  __FILE__,
+                  (UINTN)__LINE__,
+                  Status
+                  );
+
+  //
+  // Once locked-without-key, MOR SetVariable() call to set MOR bit 0 must return EFI_ACCESS_DENIED
+  // and MOR value must not change
+  //
+  DataSize = sizeof(MemoryOverwriteRequestControlData);
+  Attributes = TCG_MOR_VARIABLE_ATTRIBUTES;
+  // getting current MOR bit 0 value that will be used to check that the variable is unchanged
+  Status = gtRT->GetVariable (
+                  L"MemoryOverwriteRequestControl",     // VariableName
+                  &gEfiMemoryOverwriteControlDataGuid,  // VendorGuid
+                  &Attributes,                          // Attributes
+                  &DataSize,                            // DataSize
+                  &MemoryOverwriteRequestControlData    // Data
+                  );
+  if (EFI_ERROR (Status)) {
+    return Status;
+  }
+
+  // caching MOR and then setting bit 0
+  MemoryOverwriteRequestControlDataCached = MemoryOverwriteRequestControlData;
+  MemoryOverwriteRequestControlData |= MOR_BIT_HIGH << MOR_CLEAR_MEMORY_BIT_OFFSET;
+
+  DataSize = sizeof(MemoryOverwriteRequestControlData);
+  Attributes = TCG_MOR_VARIABLE_ATTRIBUTES;
+
+
+  Status = gtRT->SetVariable (
+                  L"MemoryOverwriteRequestControl",     // VariableName
+                  &gEfiMemoryOverwriteControlDataGuid,  // VendorGuid
+                  Attributes,                           // Attributes
+                  DataSize,                             // DataSize
+                  &MemoryOverwriteRequestControlData    // Data
+                  );
+  if (Status == EFI_ACCESS_DENIED) {
+    Result = EFI_TEST_ASSERTION_PASSED;
+  } else {
+    Result = EFI_TEST_ASSERTION_FAILED;
+  }
+
+  StandardLib->RecordAssertion (
+                  StandardLib,
+                  Result,
+                  gTCGMemoryOverwriteRequestTestFunctionAssertionGuid029,
+                  L"MemoryOverwriteRequestControl - SetVariable() returns EFI_ACCESS_DENIED when MORLOCK is locked-without-key",
+                  L"%a:%d:Status - %r",
+                  __FILE__,
+                  (UINTN)__LINE__,
+                  Status
+                  );
+
+  DataSize = sizeof(MemoryOverwriteRequestControlData);
+  Attributes = TCG_MOR_VARIABLE_ATTRIBUTES;
+
+  Status = gtRT->GetVariable (
+                  L"MemoryOverwriteRequestControl",     // VariableName
+                  &gEfiMemoryOverwriteControlDataGuid,  // VendorGuid
+                  &Attributes,                          // Attributes
+                  &DataSize,                            // DataSize
+                  &MemoryOverwriteRequestControlData    // Data
+                  );
+
+  // verifying that the variable has not been modified with SetVariable(), proving that MORLOCK acts as a lock
+  if (MemoryOverwriteRequestControlDataCached == MemoryOverwriteRequestControlData) {
+    Result = EFI_TEST_ASSERTION_PASSED;
+  } else {
+    Result = EFI_TEST_ASSERTION_FAILED;
+  }
+
+  StandardLib->RecordAssertion (
+                  StandardLib,
+                  Result,
+                  gTCGMemoryOverwriteRequestTestFunctionAssertionGuid030,
+                  L"MemoryOverwriteRequestControl - When locked-without-key, MOR bit 0 remains unchanged after an attempt to set it",
+                  L"%a:%d:Status - %r",
+                  __FILE__,
+                  (UINTN)__LINE__,
+                  Status
+                  );
+
+  //
+  // Once locked-without-key, MOR cannot be deleted
+  // SetVariable() call to set MOR with DataSize == 0 must return EFI_ACCESS_DENIED
+  // MemoryOverwriteControlData is a don't care in this case
+  DataSize = 0;
+  Attributes = TCG_MOR_VARIABLE_ATTRIBUTES;
+
+  Status = gtRT->SetVariable (
+                  L"MemoryOverwriteRequestControl",     // VariableName
+                  &gEfiMemoryOverwriteControlDataGuid,  // VendorGuid
+                  Attributes,                           // Attributes
+                  DataSize,                             // DataSize
+                  &MemoryOverwriteRequestControlData    // Data
+                  );
+  if (Status == EFI_ACCESS_DENIED || EFI_INVALID_PARAMETER) {
+    Result = EFI_TEST_ASSERTION_PASSED;
+  } else {
+    Result = EFI_TEST_ASSERTION_FAILED;
+  }
+
+  StandardLib->RecordAssertion (
+                  StandardLib,
+                  Result,
+                  gTCGMemoryOverwriteRequestTestFunctionAssertionGuid031,
+                  L"MemoryOverwriteRequestControl - When MORLOCK is locked-without-key, an attempt to delete the MOR variable must return either EFI_ACCESS_DENIED or EFI_INVALID_PARAMETER",
+                  L"%a:%d:Status - %r",
+                  __FILE__,
+                  (UINTN)__LINE__,
+                  Status
+                  );
+
+  return EFI_SUCCESS;
+}
-- 
2.34.1



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  parent reply	other threads:[~2024-03-05 23:36 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-03-05 23:36 [edk2-devel] [PATCH v4 0/6] EDK2-TEST TCG MOR Tests Abhimanyu Singh
2024-03-05 23:36 ` [edk2-devel] [PATCH v4 1/6] uefi-sct/SctPkg: TCG Platform Reset Check Test Abhimanyu Singh
2024-03-21 11:30   ` G Edhaya Chandran
2024-03-21 11:33     ` G Edhaya Chandran
2024-03-05 23:36 ` [edk2-devel] [PATCH v4 2/6] uefi-sct/SctPkg: TCG MOR SetVariable Test Abhimanyu Singh
2024-03-21 11:30   ` G Edhaya Chandran
2024-03-05 23:36 ` [edk2-devel] [PATCH v4 3/6] uefi-sct/SctPkg: TCG MORLOCK " Abhimanyu Singh
2024-03-21 11:31   ` G Edhaya Chandran
2024-03-05 23:36 ` [edk2-devel] [PATCH v4 4/6] uefi-sct/SctPkg: TCG MORLOCK Unlocked State Test Abhimanyu Singh
2024-03-21 11:31   ` G Edhaya Chandran
2024-03-05 23:36 ` Abhimanyu Singh [this message]
2024-03-21 11:32   ` [edk2-devel] [PATCH v4 5/6] uefi-sct/SctPkg: TCG MORLOCK Locked No Key " G Edhaya Chandran
2024-03-05 23:36 ` [edk2-devel] [PATCH v4 6/6] uefi-sct/SctPkg: TCG MORLOCK Locked with " Abhimanyu Singh
2024-03-21 11:32   ` G Edhaya Chandran
2024-04-04 16:49 ` [edk2-devel] [PATCH v4 0/6] EDK2-TEST TCG MOR Tests Sunny Wang

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