mirror of https://github.com/acidanthera/audk.git
138 lines
6.3 KiB
C
138 lines
6.3 KiB
C
/** @file
|
|
TCG MOR (Memory Overwrite Request) Lock Control Driver header file.
|
|
|
|
Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>
|
|
This program and the accompanying materials
|
|
are licensed and made available under the terms and conditions of the BSD License
|
|
which accompanies this distribution. The full text of the license may be found at
|
|
http://opensource.org/licenses/bsd-license.php
|
|
|
|
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
|
|
|
**/
|
|
|
|
#ifndef _EFI_TCG_MOR_LOCK_H_
|
|
#define _EFI_TCG_MOR_LOCK_H_
|
|
|
|
/**
|
|
This service is a wrapper for the UEFI Runtime Service GetVariable().
|
|
|
|
@param VariableName the name of the vendor's variable, it's a Null-Terminated Unicode String
|
|
@param VendorGuid Unify identifier for vendor.
|
|
@param Attributes Point to memory location to return the attributes of variable. If the point
|
|
is NULL, the parameter would be ignored.
|
|
@param DataSize As input, point to the maximum size of return Data-Buffer.
|
|
As output, point to the actual size of the returned Data-Buffer.
|
|
@param Data Point to return Data-Buffer.
|
|
|
|
@retval EFI_SUCCESS The function completed successfully.
|
|
@retval EFI_NOT_FOUND The variable was not found.
|
|
@retval EFI_BUFFER_TOO_SMALL The DataSize is too small for the result. DataSize has
|
|
been updated with the size needed to complete the request.
|
|
@retval EFI_INVALID_PARAMETER VariableName is NULL.
|
|
@retval EFI_INVALID_PARAMETER VendorGuid is NULL.
|
|
@retval EFI_INVALID_PARAMETER DataSize is NULL.
|
|
@retval EFI_INVALID_PARAMETER The DataSize is not too small and Data is NULL.
|
|
@retval EFI_DEVICE_ERROR The variable could not be retrieved due to a hardware error.
|
|
@retval EFI_SECURITY_VIOLATION The variable could not be retrieved due to an authentication failure.
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
InternalGetVariable (
|
|
IN CHAR16 *VariableName,
|
|
IN EFI_GUID *VendorGuid,
|
|
OUT UINT32 *Attributes OPTIONAL,
|
|
IN OUT UINTN *DataSize,
|
|
OUT VOID *Data
|
|
);
|
|
|
|
/**
|
|
This service is a wrapper for the UEFI Runtime Service SetVariable()
|
|
|
|
@param VariableName the name of the vendor's variable, as a
|
|
Null-Terminated Unicode String
|
|
@param VendorGuid Unify identifier for vendor.
|
|
@param Attributes Point to memory location to return the attributes of variable. If the point
|
|
is NULL, the parameter would be ignored.
|
|
@param DataSize The size in bytes of Data-Buffer.
|
|
@param Data Point to the content of the variable.
|
|
|
|
@retval EFI_SUCCESS The firmware has successfully stored the variable and its data as
|
|
defined by the Attributes.
|
|
@retval EFI_INVALID_PARAMETER An invalid combination of attribute bits was supplied, or the
|
|
DataSize exceeds the maximum allowed.
|
|
@retval EFI_INVALID_PARAMETER VariableName is an empty Unicode string.
|
|
@retval EFI_OUT_OF_RESOURCES Not enough storage is available to hold the variable and its data.
|
|
@retval EFI_DEVICE_ERROR The variable could not be saved due to a hardware failure.
|
|
@retval EFI_WRITE_PROTECTED The variable in question is read-only.
|
|
@retval EFI_WRITE_PROTECTED The variable in question cannot be deleted.
|
|
@retval EFI_SECURITY_VIOLATION The variable could not be written due to EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS
|
|
set but the AuthInfo does NOT pass the validation check carried
|
|
out by the firmware.
|
|
@retval EFI_NOT_FOUND The variable trying to be updated or deleted was not found.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
InternalSetVariable (
|
|
IN CHAR16 *VariableName,
|
|
IN EFI_GUID *VendorGuid,
|
|
IN UINT32 Attributes,
|
|
IN UINTN DataSize,
|
|
IN VOID *Data
|
|
);
|
|
|
|
/**
|
|
This service is a checker handler for the UEFI Runtime Service SetVariable()
|
|
|
|
@param VariableName the name of the vendor's variable, as a
|
|
Null-Terminated Unicode String
|
|
@param VendorGuid Unify identifier for vendor.
|
|
@param Attributes Point to memory location to return the attributes of variable. If the point
|
|
is NULL, the parameter would be ignored.
|
|
@param DataSize The size in bytes of Data-Buffer.
|
|
@param Data Point to the content of the variable.
|
|
|
|
@retval EFI_SUCCESS The firmware has successfully stored the variable and its data as
|
|
defined by the Attributes.
|
|
@retval EFI_INVALID_PARAMETER An invalid combination of attribute bits was supplied, or the
|
|
DataSize exceeds the maximum allowed.
|
|
@retval EFI_INVALID_PARAMETER VariableName is an empty Unicode string.
|
|
@retval EFI_OUT_OF_RESOURCES Not enough storage is available to hold the variable and its data.
|
|
@retval EFI_DEVICE_ERROR The variable could not be saved due to a hardware failure.
|
|
@retval EFI_WRITE_PROTECTED The variable in question is read-only.
|
|
@retval EFI_WRITE_PROTECTED The variable in question cannot be deleted.
|
|
@retval EFI_SECURITY_VIOLATION The variable could not be written due to EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS
|
|
set but the AuthInfo does NOT pass the validation check carried
|
|
out by the firmware.
|
|
@retval EFI_NOT_FOUND The variable trying to be updated or deleted was not found.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
SetVariableCheckHandlerMor (
|
|
IN CHAR16 *VariableName,
|
|
IN EFI_GUID *VendorGuid,
|
|
IN UINT32 Attributes,
|
|
IN UINTN DataSize,
|
|
IN VOID *Data
|
|
);
|
|
|
|
/**
|
|
Entry Point for MOR Lock Control driver.
|
|
|
|
@param[in] ImageHandle Image handle of this driver.
|
|
@param[in] SystemTable A Pointer to the EFI System Table.
|
|
|
|
@retval EFI_SUCEESS
|
|
@return Others Some error occurs.
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
MorLockDriverInit (
|
|
VOID
|
|
);
|
|
|
|
#endif
|