diff options
Diffstat (limited to 'SecurityPkg/Tcg/Opal/OpalPasswordSmm/OpalPasswordSmm.c')
| -rw-r--r-- | SecurityPkg/Tcg/Opal/OpalPasswordSmm/OpalPasswordSmm.c | 51 |
1 files changed, 0 insertions, 51 deletions
diff --git a/SecurityPkg/Tcg/Opal/OpalPasswordSmm/OpalPasswordSmm.c b/SecurityPkg/Tcg/Opal/OpalPasswordSmm/OpalPasswordSmm.c index 2f2a1d9c13..0ea92b15c0 100644 --- a/SecurityPkg/Tcg/Opal/OpalPasswordSmm/OpalPasswordSmm.c +++ b/SecurityPkg/Tcg/Opal/OpalPasswordSmm/OpalPasswordSmm.c @@ -61,9 +61,6 @@ VOID *mBuffer = NULL; // DMA can not read/write Data to smram, s // NVME
NVME_CONTEXT mNvmeContext;
-EFI_GCD_MEMORY_SPACE_DESCRIPTOR *mGcdMemSpace = NULL;
-UINTN mNumberOfDescriptors = 0;
-
/**
Add new bridge node or nvme device info to the device list.
@@ -648,44 +645,6 @@ S3SleepEntryCallBack ( }
/**
- OpalPassword Notification for SMM EndOfDxe protocol.
-
- @param[in] Protocol Points to the protocol's unique identifier.
- @param[in] Interface Points to the interface instance.
- @param[in] Handle The handle on which the interface was installed.
-
- @retval EFI_SUCCESS Notification runs successfully.
-**/
-EFI_STATUS
-EFIAPI
-OpalPasswordEndOfDxeNotification (
- IN CONST EFI_GUID *Protocol,
- IN VOID *Interface,
- IN EFI_HANDLE Handle
- )
-{
- UINTN NumberOfDescriptors;
- EFI_GCD_MEMORY_SPACE_DESCRIPTOR *MemSpaceMap;
- EFI_STATUS Status;
-
- Status = gDS->GetMemorySpaceMap (&NumberOfDescriptors, &MemSpaceMap);
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- mGcdMemSpace = AllocateCopyPool (NumberOfDescriptors * sizeof (EFI_GCD_MEMORY_SPACE_DESCRIPTOR), MemSpaceMap);
- if (EFI_ERROR (Status)) {
- gBS->FreePool (MemSpaceMap);
- return Status;
- }
-
- mNumberOfDescriptors = NumberOfDescriptors;
- gBS->FreePool (MemSpaceMap);
-
- return EFI_SUCCESS;
-}
-
-/**
Main entry for this driver.
@param ImageHandle Image handle this driver.
@@ -711,7 +670,6 @@ OpalPasswordSmmInit ( EFI_SMM_VARIABLE_PROTOCOL *SmmVariable;
OPAL_EXTRA_INFO_VAR OpalExtraInfo;
UINTN DataSize;
- EFI_EVENT EndOfDxeEvent;
EFI_PHYSICAL_ADDRESS Address;
mBuffer = NULL;
@@ -820,15 +778,6 @@ OpalPasswordSmmInit ( //
mSwSmiValue = (UINT8) Context.SwSmiInputValue;
- //
- // Create event to record GCD descriptors at end of dxe for judging AHCI/NVMe PCI Bar
- // is in MMIO space to avoid attack.
- //
- Status = gSmst->SmmRegisterProtocolNotify (&gEfiSmmEndOfDxeProtocolGuid, OpalPasswordEndOfDxeNotification, &EndOfDxeEvent);
- if (EFI_ERROR (Status)) {
- DEBUG((DEBUG_ERROR, "OpalPasswordSmm: Register SmmEndOfDxe fail, Status: %r\n", Status));
- goto EXIT;
- }
Status = gSmst->SmmLocateProtocol (&gEfiSmmVariableProtocolGuid, NULL, (VOID**)&SmmVariable);
if (!EFI_ERROR (Status)) {
DataSize = sizeof (OPAL_EXTRA_INFO_VAR);
|