mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-12-05 13:33:33 +01:00
196 lines
8.7 KiB
C
196 lines
8.7 KiB
C
|
/** @file
|
||
|
TCG Service Protocol as defined in TCG_EFI_Protocol_1_22_Final
|
||
|
See http://trustedcomputinggroup.org for the latest specification
|
||
|
|
||
|
Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
|
||
|
SPDX-License-Identifier: BSD-2-Clause-Patent
|
||
|
|
||
|
**/
|
||
|
|
||
|
#ifndef _TCG_SERVICE_PROTOCOL_H_
|
||
|
#define _TCG_SERVICE_PROTOCOL_H_
|
||
|
|
||
|
#include <IndustryStandard/UefiTcgPlatform.h>
|
||
|
|
||
|
#define EFI_TCG_PROTOCOL_GUID \
|
||
|
{0xf541796d, 0xa62e, 0x4954, { 0xa7, 0x75, 0x95, 0x84, 0xf6, 0x1b, 0x9c, 0xdd } }
|
||
|
|
||
|
typedef struct _EFI_TCG_PROTOCOL EFI_TCG_PROTOCOL;
|
||
|
|
||
|
typedef struct {
|
||
|
UINT8 Major;
|
||
|
UINT8 Minor;
|
||
|
UINT8 RevMajor;
|
||
|
UINT8 RevMinor;
|
||
|
} TCG_VERSION;
|
||
|
|
||
|
typedef struct _TCG_EFI_BOOT_SERVICE_CAPABILITY {
|
||
|
UINT8 Size; /// Size of this structure.
|
||
|
TCG_VERSION StructureVersion;
|
||
|
TCG_VERSION ProtocolSpecVersion;
|
||
|
UINT8 HashAlgorithmBitmap; /// Hash algorithms .
|
||
|
/// This protocol is capable of : 01=SHA-1.
|
||
|
BOOLEAN TPMPresentFlag; /// 00h = TPM not present.
|
||
|
BOOLEAN TPMDeactivatedFlag; /// 01h = TPM currently deactivated.
|
||
|
} TCG_EFI_BOOT_SERVICE_CAPABILITY;
|
||
|
|
||
|
typedef UINT32 TCG_ALGORITHM_ID;
|
||
|
|
||
|
/**
|
||
|
This service provides EFI protocol capability information, state information
|
||
|
about the TPM, and Event Log state information.
|
||
|
|
||
|
@param This Indicates the calling context
|
||
|
@param ProtocolCapability The callee allocates memory for a TCG_BOOT_SERVICE_CAPABILITY
|
||
|
structure and fills in the fields with the EFI protocol
|
||
|
capability information and the current TPM state information.
|
||
|
@param TCGFeatureFlags This is a pointer to the feature flags. No feature
|
||
|
flags are currently defined so this parameter
|
||
|
MUST be set to 0. However, in the future,
|
||
|
feature flags may be defined that, for example,
|
||
|
enable hash algorithm agility.
|
||
|
@param EventLogLocation This is a pointer to the address of the event log in memory.
|
||
|
@param EventLogLastEntry If the Event Log contains more than one entry,
|
||
|
this is a pointer to the address of the start of
|
||
|
the last entry in the event log in memory.
|
||
|
|
||
|
@retval EFI_SUCCESS The operation completed successfully.
|
||
|
@retval EFI_INVALID_PARAMETER ProtocolCapability does not match TCG capability.
|
||
|
**/
|
||
|
typedef
|
||
|
EFI_STATUS
|
||
|
(EFIAPI *EFI_TCG_STATUS_CHECK)(
|
||
|
IN EFI_TCG_PROTOCOL *This,
|
||
|
OUT TCG_EFI_BOOT_SERVICE_CAPABILITY
|
||
|
*ProtocolCapability,
|
||
|
OUT UINT32 *TCGFeatureFlags,
|
||
|
OUT EFI_PHYSICAL_ADDRESS *EventLogLocation,
|
||
|
OUT EFI_PHYSICAL_ADDRESS *EventLogLastEntry
|
||
|
);
|
||
|
|
||
|
/**
|
||
|
This service abstracts the capability to do a hash operation on a data buffer.
|
||
|
|
||
|
@param This Indicates the calling context.
|
||
|
@param HashData The pointer to the data buffer to be hashed.
|
||
|
@param HashDataLen The length of the data buffer to be hashed.
|
||
|
@param AlgorithmId Identification of the Algorithm to use for the hashing operation.
|
||
|
@param HashedDataLen Resultant length of the hashed data.
|
||
|
@param HashedDataResult Resultant buffer of the hashed data.
|
||
|
|
||
|
@retval EFI_SUCCESS The operation completed successfully.
|
||
|
@retval EFI_INVALID_PARAMETER HashDataLen is NULL.
|
||
|
@retval EFI_INVALID_PARAMETER HashDataLenResult is NULL.
|
||
|
@retval EFI_OUT_OF_RESOURCES Cannot allocate buffer of size *HashedDataLen.
|
||
|
@retval EFI_UNSUPPORTED AlgorithmId not supported.
|
||
|
@retval EFI_BUFFER_TOO_SMALL *HashedDataLen < sizeof (TCG_DIGEST).
|
||
|
**/
|
||
|
typedef
|
||
|
EFI_STATUS
|
||
|
(EFIAPI *EFI_TCG_HASH_ALL)(
|
||
|
IN EFI_TCG_PROTOCOL *This,
|
||
|
IN UINT8 *HashData,
|
||
|
IN UINT64 HashDataLen,
|
||
|
IN TCG_ALGORITHM_ID AlgorithmId,
|
||
|
IN OUT UINT64 *HashedDataLen,
|
||
|
IN OUT UINT8 **HashedDataResult
|
||
|
);
|
||
|
|
||
|
/**
|
||
|
This service abstracts the capability to add an entry to the Event Log.
|
||
|
|
||
|
@param This Indicates the calling context
|
||
|
@param TCGLogData The pointer to the start of the data buffer containing
|
||
|
the TCG_PCR_EVENT data structure. All fields in
|
||
|
this structure are properly filled by the caller.
|
||
|
@param EventNumber The event number of the event just logged.
|
||
|
@param Flags Indicates additional flags. Only one flag has been
|
||
|
defined at this time, which is 0x01 and means the
|
||
|
extend operation should not be performed. All
|
||
|
other bits are reserved.
|
||
|
|
||
|
@retval EFI_SUCCESS The operation completed successfully.
|
||
|
@retval EFI_OUT_OF_RESOURCES Insufficient memory in the event log to complete this action.
|
||
|
**/
|
||
|
typedef
|
||
|
EFI_STATUS
|
||
|
(EFIAPI *EFI_TCG_LOG_EVENT)(
|
||
|
IN EFI_TCG_PROTOCOL *This,
|
||
|
IN TCG_PCR_EVENT *TCGLogData,
|
||
|
IN OUT UINT32 *EventNumber,
|
||
|
IN UINT32 Flags
|
||
|
);
|
||
|
|
||
|
/**
|
||
|
This service is a proxy for commands to the TPM.
|
||
|
|
||
|
@param This Indicates the calling context.
|
||
|
@param TpmInputParameterBlockSize Size of the TPM input parameter block.
|
||
|
@param TpmInputParameterBlock The pointer to the TPM input parameter block.
|
||
|
@param TpmOutputParameterBlockSize Size of the TPM output parameter block.
|
||
|
@param TpmOutputParameterBlock The pointer to the TPM output parameter block.
|
||
|
|
||
|
@retval EFI_SUCCESS The operation completed successfully.
|
||
|
@retval EFI_INVALID_PARAMETER Invalid ordinal.
|
||
|
@retval EFI_UNSUPPORTED Current Task Priority Level >= EFI_TPL_CALLBACK.
|
||
|
@retval EFI_TIMEOUT The TIS timed-out.
|
||
|
**/
|
||
|
typedef
|
||
|
EFI_STATUS
|
||
|
(EFIAPI *EFI_TCG_PASS_THROUGH_TO_TPM)(
|
||
|
IN EFI_TCG_PROTOCOL *This,
|
||
|
IN UINT32 TpmInputParameterBlockSize,
|
||
|
IN UINT8 *TpmInputParameterBlock,
|
||
|
IN UINT32 TpmOutputParameterBlockSize,
|
||
|
IN UINT8 *TpmOutputParameterBlock
|
||
|
);
|
||
|
|
||
|
/**
|
||
|
This service abstracts the capability to do a hash operation on a data buffer, extend a specific TPM PCR with the hash result, and add an entry to the Event Log
|
||
|
|
||
|
@param This Indicates the calling context
|
||
|
@param HashData The physical address of the start of the data buffer
|
||
|
to be hashed, extended, and logged.
|
||
|
@param HashDataLen The length, in bytes, of the buffer referenced by HashData
|
||
|
@param AlgorithmId Identification of the Algorithm to use for the hashing operation
|
||
|
@param TCGLogData The physical address of the start of the data
|
||
|
buffer containing the TCG_PCR_EVENT data structure.
|
||
|
@param EventNumber The event number of the event just logged.
|
||
|
@param EventLogLastEntry The physical address of the first byte of the entry
|
||
|
just placed in the Event Log. If the Event Log was
|
||
|
empty when this function was called then this physical
|
||
|
address will be the same as the physical address of
|
||
|
the start of the Event Log.
|
||
|
|
||
|
@retval EFI_SUCCESS The operation completed successfully.
|
||
|
@retval EFI_UNSUPPORTED AlgorithmId != TPM_ALG_SHA.
|
||
|
@retval EFI_UNSUPPORTED Current TPL >= EFI_TPL_CALLBACK.
|
||
|
@retval EFI_DEVICE_ERROR The command was unsuccessful.
|
||
|
**/
|
||
|
typedef
|
||
|
EFI_STATUS
|
||
|
(EFIAPI *EFI_TCG_HASH_LOG_EXTEND_EVENT)(
|
||
|
IN EFI_TCG_PROTOCOL *This,
|
||
|
IN EFI_PHYSICAL_ADDRESS HashData,
|
||
|
IN UINT64 HashDataLen,
|
||
|
IN TCG_ALGORITHM_ID AlgorithmId,
|
||
|
IN OUT TCG_PCR_EVENT *TCGLogData,
|
||
|
IN OUT UINT32 *EventNumber,
|
||
|
OUT EFI_PHYSICAL_ADDRESS *EventLogLastEntry
|
||
|
);
|
||
|
|
||
|
///
|
||
|
/// The EFI_TCG Protocol abstracts TCG activity.
|
||
|
///
|
||
|
struct _EFI_TCG_PROTOCOL {
|
||
|
EFI_TCG_STATUS_CHECK StatusCheck;
|
||
|
EFI_TCG_HASH_ALL HashAll;
|
||
|
EFI_TCG_LOG_EVENT LogEvent;
|
||
|
EFI_TCG_PASS_THROUGH_TO_TPM PassThroughToTpm;
|
||
|
EFI_TCG_HASH_LOG_EXTEND_EVENT HashLogExtendEvent;
|
||
|
};
|
||
|
|
||
|
extern EFI_GUID gEfiTcgProtocolGuid;
|
||
|
|
||
|
#endif
|