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Add security package to repository.

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git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12261 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
gdong1
2011-09-02 07:49:32 +00:00
parent 986d1dfb08
commit 0c18794ea4
102 changed files with 38487 additions and 0 deletions
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1212
SecurityPkg/Tcg/TcgDxe/TcgDxe.c Normal file
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70
SecurityPkg/Tcg/TcgDxe/TcgDxe.inf Normal file
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## @file
# Component file for module TcgDxe.
# This module will produce TCG protocol and measure boot environment.
#
# Copyright (c) 2006 - 2010, 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.
#
##
[Defines]
INF_VERSION = 0x00010005
BASE_NAME = TcgDxe
FILE_GUID = A5683620-7998-4bb2-A377-1C1E31E1E215
MODULE_TYPE = DXE_DRIVER
VERSION_STRING = 1.0
ENTRY_POINT = DriverEntry
#
# The following information is for reference only and not required by the build tools.
#
# VALID_ARCHITECTURES = IA32 X64 IPF
#
[Sources]
TcgDxe.c
TisDxe.c
TpmComm.c
TpmComm.h
[Packages]
MdePkg/MdePkg.dec
MdeModulePkg/MdeModulePkg.dec
SecurityPkg/SecurityPkg.dec
[LibraryClasses]
MemoryAllocationLib
BaseLib
UefiBootServicesTableLib
HobLib
UefiDriverEntryPoint
UefiRuntimeServicesTableLib
BaseMemoryLib
DebugLib
TpmCommLib
PrintLib
UefiLib
[Guids]
gEfiSmbiosTableGuid # ALWAYS_CONSUMED
gEfiGlobalVariableGuid # ALWAYS_CONSUMED
gTcgEventEntryHobGuid
gEfiEventReadyToBootGuid
gEfiEventExitBootServicesGuid
[Protocols]
gEfiTcgProtocolGuid ## PRODUCES
gEfiAcpiTableProtocolGuid # PROTOCOL ALWAYS_CONSUMED
gEfiDevicePathProtocolGuid # PROTOCOL ALWAYS_CONSUMED
[Pcd]
gEfiSecurityPkgTokenSpaceGuid.PcdTpmPlatformClass
[Depex]
TRUE

432
SecurityPkg/Tcg/TcgDxe/TisDxe.c Normal file
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/** @file
TIS (TPM Interface Specification) functions used by TPM Dxe driver.
Copyright (c) 2005 - 2010, 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.
**/
#include <IndustryStandard/Tpm12.h>
#include <Library/TimerLib.h>
#include <Library/TpmCommLib.h>
#include <Library/DebugLib.h>
#include <Library/IoLib.h>
#include <Library/BaseLib.h>
#include <Library/BaseMemoryLib.h>
STATIC UINT8 TpmCommandBuf[TPMCMDBUFLENGTH];
/**
Send command to TPM for execution.
@param[in] TisReg TPM register space base address.
@param[in] TpmBuffer Buffer for TPM command data.
@param[in] DataLength TPM command data length.
@retval EFI_SUCCESS Operation completed successfully.
@retval EFI_TIMEOUT The register can't run into the expected status in time.
**/
EFI_STATUS
TisPcSend (
IN TIS_PC_REGISTERS_PTR TisReg,
IN UINT8 *TpmBuffer,
IN UINT32 DataLength
)
{
UINT16 BurstCount;
UINT32 Index;
EFI_STATUS Status;
Status = TisPcPrepareCommand (TisReg);
if (EFI_ERROR (Status)){
DEBUG ((DEBUG_ERROR, "The Tpm not ready!\n"));
return Status;
}
Index = 0;
while (Index < DataLength) {
Status = TisPcReadBurstCount (TisReg, &BurstCount);
if (EFI_ERROR (Status)) {
return EFI_TIMEOUT;
}
for (; BurstCount > 0 && Index < DataLength; BurstCount--) {
MmioWrite8 ((UINTN) &TisReg->DataFifo, *(TpmBuffer + Index));
Index++;
}
}
//
// Ensure the Tpm status STS_EXPECT change from 1 to 0
//
Status = TisPcWaitRegisterBits (
&TisReg->Status,
(UINT8) TIS_PC_VALID,
TIS_PC_STS_EXPECT,
TIS_TIMEOUT_C
);
return Status;
}
/**
Receive response data of last command from TPM.
@param[in] TisReg TPM register space base address.
@param[out] TpmBuffer Buffer for response data.
@param[out] RespSize Response data length.
@retval EFI_SUCCESS Operation completed successfully.
@retval EFI_TIMEOUT The register can't run into the expected status in time.
@retval EFI_DEVICE_ERROR Unexpected device status.
@retval EFI_BUFFER_TOO_SMALL Response data is too long.
**/
EFI_STATUS
TisPcReceive (
IN TIS_PC_REGISTERS_PTR TisReg,
OUT UINT8 *TpmBuffer,
OUT UINT32 *RespSize
)
{
EFI_STATUS Status;
UINT16 BurstCount;
UINT32 Index;
UINT32 ResponseSize;
UINT32 Data32;
//
// Wait for the command completion
//
Status = TisPcWaitRegisterBits (
&TisReg->Status,
(UINT8) (TIS_PC_VALID | TIS_PC_STS_DATA),
0,
TIS_TIMEOUT_B
);
if (EFI_ERROR (Status)) {
return EFI_TIMEOUT;
}
//
// Read the response data header and check it
//
Index = 0;
BurstCount = 0;
while (Index < sizeof (TPM_RSP_COMMAND_HDR)) {
Status = TisPcReadBurstCount (TisReg, &BurstCount);
if (EFI_ERROR (Status)) {
return EFI_TIMEOUT;
}
for (; BurstCount > 0 ; BurstCount--) {
*(TpmBuffer + Index) = MmioRead8 ((UINTN) &TisReg->DataFifo);
Index++;
if (Index == sizeof (TPM_RSP_COMMAND_HDR))
break;
}
}
//
// Check the reponse data header (tag,parasize and returncode )
//
CopyMem (&Data32, (TpmBuffer + 2), sizeof (UINT32));
ResponseSize = SwapBytes32 (Data32);
*RespSize = ResponseSize;
if (ResponseSize == sizeof (TPM_RSP_COMMAND_HDR)) {
return EFI_SUCCESS;
}
if (ResponseSize < sizeof (TPM_RSP_COMMAND_HDR)) {
return EFI_DEVICE_ERROR;
}
if (ResponseSize > TPMCMDBUFLENGTH) {
return EFI_BUFFER_TOO_SMALL;
}
//
// Continue reading the remaining data
//
while (Index < ResponseSize) {
for (; BurstCount > 0 ; BurstCount--) {
*(TpmBuffer + Index) = MmioRead8 ((UINTN) &TisReg->DataFifo);
Index++;
if (Index == ResponseSize) {
return EFI_SUCCESS;
}
}
Status = TisPcReadBurstCount (TisReg, &BurstCount);
if (EFI_ERROR (Status) && (Index < ResponseSize)) {
return EFI_DEVICE_ERROR;
}
}
return EFI_SUCCESS;
}
/**
Format TPM command data according to the format control character.
@param[in] FmtChar Format control character.
@param[in, out] ap List of arguments.
@param[in] TpmBuffer Buffer for TPM command data.
@param[out] DataLength TPM command data length.
@retval EFI_SUCCESS Operation completed successfully.
@retval EFI_INVALID_PARAMETER Invalid format control character.
@retval EFI_BUFFER_TOO_SMALL Buffer too small for command data.
**/
EFI_STATUS
TisPcSendV (
IN UINT8 FmtChar,
IN OUT VA_LIST *ap,
UINT8 *TpmBuffer,
UINT32 *DataLength
)
{
UINT8 DataByte;
UINT16 DataWord;
UINT32 DataDword;
TPM_RQU_COMMAND_HDR TpmCmdHdr;
TPM_RQU_COMMAND_HDR *TpmCmdPtr;
UINTN Size;
UINT8 *Raw;
switch (FmtChar) {
case 'b':
DataByte = VA_ARG (*ap, UINT8);
Raw = &DataByte;
Size = sizeof (DataByte);
break;
case 'w':
DataWord = VA_ARG (*ap, UINT16);
DataWord = SwapBytes16 (DataWord);
Raw = (UINT8*)&DataWord;
Size = sizeof (DataWord);
break;
case 'd':
DataDword = VA_ARG (*ap, UINT32);
DataDword = SwapBytes32 (DataDword);
Raw = (UINT8*)&DataDword;
Size = sizeof (DataDword);
break;
case 'h':
TpmCmdPtr = VA_ARG (*ap, TPM_RQU_COMMAND_HDR*);
TpmCmdHdr.tag = SwapBytes16 (TpmCmdPtr->tag);
TpmCmdHdr.paramSize = SwapBytes32 (TpmCmdPtr->paramSize);
TpmCmdHdr.ordinal = SwapBytes32 (TpmCmdPtr->ordinal);
Raw = (UINT8*) &TpmCmdHdr;
Size = sizeof (TpmCmdHdr);
break;
case 'r':
Raw = VA_ARG (*ap, UINT8*);
Size = VA_ARG (*ap, UINTN);
break;
case '\0':
return EFI_INVALID_PARAMETER;
default:
return EFI_INVALID_PARAMETER;
}
if(*DataLength + (UINT32) Size > TPMCMDBUFLENGTH) {
return EFI_BUFFER_TOO_SMALL;
}
CopyMem (TpmBuffer + *DataLength, Raw, Size);
*DataLength += (UINT32) Size;
return EFI_SUCCESS;
}
/**
Format reponse data according to the format control character.
@param[in] FmtChar Format control character.
@param[in, out] ap List of arguments.
@param[out] TpmBuffer Buffer for reponse data.
@param[in, out] DataIndex Data offset in reponse data buffer.
@param[in] RespSize Response data length.
@param[out] DataFinished Reach the end of Response data.
@retval EFI_SUCCESS Operation completed successfully.
@retval EFI_INVALID_PARAMETER Invalid format control character.
@retval EFI_BUFFER_TOO_SMALL Buffer too small for command data.
**/
EFI_STATUS
TisPcReceiveV (
IN UINT8 FmtChar,
IN OUT VA_LIST *ap,
OUT UINT8 *TpmBuffer,
IN OUT UINT32 *DataIndex,
IN UINT32 RespSize,
OUT BOOLEAN *DataFinished
)
{
UINT8 *Raw;
TPM_RSP_COMMAND_HDR *TpmRspPtr;
UINTN Size;
Raw = VA_ARG (*ap, UINT8*);
switch (FmtChar) {
case 'b':
Size = sizeof (UINT8);
break;
case 'w':
Size = sizeof (UINT16);
break;
case 'd':
Size = sizeof (UINT32);
break;
case 'h':
Size = sizeof (*TpmRspPtr);
break;
case 'r':
Size = VA_ARG (*ap, UINTN);
if(*DataIndex + (UINT32) Size <= RespSize) {
break;
}
*DataFinished = TRUE;
if (*DataIndex >= RespSize) {
return EFI_SUCCESS;
}
CopyMem (Raw, TpmBuffer + *DataIndex, RespSize - *DataIndex);
*DataIndex += RespSize - *DataIndex;
return EFI_SUCCESS;
case '\0':
return EFI_INVALID_PARAMETER;
default:
return EFI_WARN_UNKNOWN_GLYPH;
}
if(*DataIndex + (UINT32) Size > RespSize) {
*DataFinished = TRUE;
return EFI_SUCCESS;
}
if( *DataIndex + (UINT32) Size > TPMCMDBUFLENGTH )
return EFI_BUFFER_TOO_SMALL;
CopyMem (Raw, TpmBuffer + *DataIndex, Size);
*DataIndex += (UINT32) Size;
switch (FmtChar) {
case 'w':
*(UINT16*)Raw = SwapBytes16 (*(UINT16*) Raw);
break;
case 'd':
*(UINT32*)Raw = SwapBytes32 (*(UINT32*) Raw);
break;
case 'h':
TpmRspPtr = (TPM_RSP_COMMAND_HDR*) Raw;
TpmRspPtr->tag = SwapBytes16 (TpmRspPtr->tag);
TpmRspPtr->paramSize = SwapBytes32 (TpmRspPtr->paramSize);
TpmRspPtr->returnCode = SwapBytes32 (TpmRspPtr->returnCode);
break;
}
return EFI_SUCCESS;
}
/**
Send formatted command to TPM for execution and return formatted data from response.
@param[in] TisReg TPM Handle.
@param[in] Fmt Format control string.
@param[in] ... The variable argument list.
@retval EFI_SUCCESS Operation completed successfully.
@retval EFI_TIMEOUT The register can't run into the expected status in time.
**/
EFI_STATUS
EFIAPI
TisPcExecute (
IN TIS_TPM_HANDLE TisReg,
IN CONST CHAR8 *Fmt,
...
)
{
EFI_STATUS Status;
VA_LIST Ap;
UINT32 BufSize;
UINT32 ResponseSize;
BOOLEAN DataFinished;
VA_START (Ap, Fmt);
//
// Put the formatted command to the TpmCommandBuf
//
BufSize = 0;
while (*Fmt != '\0') {
if (*Fmt == '%') Fmt++;
if (*Fmt == '/') break;
Status = TisPcSendV (*Fmt, &Ap, TpmCommandBuf, &BufSize);
if (EFI_ERROR( Status )) {
return Status;
}
Fmt++;
}
//
// Send the command to TPM
//
Status = TisPcSend (TisReg, TpmCommandBuf, BufSize);
if (EFI_ERROR (Status)) {
//
// Ensure the TPM state change from "Reception" to "Idle/Ready"
//
MmioWrite8 ((UINTN) &(((TIS_PC_REGISTERS_PTR) TisReg)->Status), TIS_PC_STS_READY);
return Status;
}
MmioWrite8 ((UINTN) &(((TIS_PC_REGISTERS_PTR) TisReg)->Status), TIS_PC_STS_GO);
Fmt++;
//
// Receive the response data from TPM
//
ZeroMem (TpmCommandBuf, TPMCMDBUFLENGTH);
Status = TisPcReceive (TisReg, TpmCommandBuf, &ResponseSize);
//
// Ensure the TPM state change from "Execution" or "Completion" to "Idle/Ready"
//
MmioWrite8 ((UINTN) &(((TIS_PC_REGISTERS_PTR) TisReg)->Status), TIS_PC_STS_READY);
if (EFI_ERROR (Status)) {
return Status;
}
//
// Get the formatted data from the TpmCommandBuf.
//
BufSize =0;
DataFinished = FALSE;
while (*Fmt != '\0') {
if (*Fmt == '%') {
Fmt++;
}
Status = TisPcReceiveV (*Fmt, &Ap, TpmCommandBuf, &BufSize, ResponseSize, &DataFinished);
if (EFI_ERROR (Status)) {
return Status;
}
if (DataFinished) {
return EFI_SUCCESS;
}
Fmt++;
}
VA_END (Ap);
return Status;
}

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SecurityPkg/Tcg/TcgDxe/TpmComm.c Normal file
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/** @file
Utility functions used by TPM Dxe driver.
Copyright (c) 2005 - 2010, 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.
**/
#include <IndustryStandard/Tpm12.h>
#include <IndustryStandard/UefiTcgPlatform.h>
#include <Library/TpmCommLib.h>
#include <Library/BaseMemoryLib.h>
#include "TpmComm.h"
/**
Extend a TPM PCR.
@param[in] TpmHandle TPM handle.
@param[in] DigestToExtend The 160 bit value representing the event to be recorded.
@param[in] PcrIndex The PCR to be updated.
@param[out] NewPcrValue New PCR value after extend.
@retval EFI_SUCCESS Operation completed successfully.
@retval EFI_DEVICE_ERROR The command was unsuccessful.
**/
EFI_STATUS
TpmCommExtend (
IN TIS_TPM_HANDLE TpmHandle,
IN TPM_DIGEST *DigestToExtend,
IN TPM_PCRINDEX PcrIndex,
OUT TPM_DIGEST *NewPcrValue
)
{
EFI_STATUS Status;
TPM_DIGEST NewValue;
TPM_RQU_COMMAND_HDR CmdHdr;
TPM_RSP_COMMAND_HDR RspHdr;
if (NewPcrValue == NULL) {
NewPcrValue = &NewValue;
}
CmdHdr.tag = TPM_TAG_RQU_COMMAND;
CmdHdr.paramSize =
sizeof (CmdHdr) + sizeof (PcrIndex) + sizeof (*DigestToExtend);
CmdHdr.ordinal = TPM_ORD_Extend;
Status = TisPcExecute (
TpmHandle,
"%h%d%r%/%h%r",
&CmdHdr,
PcrIndex,
DigestToExtend,
(UINTN)sizeof (*DigestToExtend),
&RspHdr,
NewPcrValue,
(UINTN)sizeof (*NewPcrValue)
);
if (EFI_ERROR (Status)) {
return Status;
}
if (RspHdr.returnCode != 0) {
return EFI_DEVICE_ERROR;
}
return EFI_SUCCESS;
}
/**
Get TPM capability flags.
@param[in] TpmHandle TPM handle.
@param[in] FlagSubcap Flag subcap.
@param[out] FlagBuffer Pointer to the buffer for returned flag structure.
@param[in] FlagSize Size of the buffer.
@retval EFI_SUCCESS Operation completed successfully.
@retval EFI_DEVICE_ERROR The command was unsuccessful.
**/
EFI_STATUS
TpmCommGetFlags (
IN TIS_TPM_HANDLE TpmHandle,
IN UINT32 FlagSubcap,
OUT VOID *FlagBuffer,
IN UINTN FlagSize
)
{
EFI_STATUS Status;
TPM_RQU_COMMAND_HDR CmdHdr;
TPM_RSP_COMMAND_HDR RspHdr;
UINT32 Size;
CmdHdr.tag = TPM_TAG_RQU_COMMAND;
CmdHdr.paramSize = sizeof (CmdHdr) + sizeof (UINT32) * 3;
CmdHdr.ordinal = TPM_ORD_GetCapability;
Status = TisPcExecute (
TpmHandle,
"%h%d%d%d%/%h%d%r",
&CmdHdr,
TPM_CAP_FLAG,
sizeof (FlagSubcap),
FlagSubcap,
&RspHdr,
&Size,
FlagBuffer,
FlagSize
);
if (EFI_ERROR (Status)) {
return Status;
}
if (RspHdr.returnCode != 0) {
return EFI_DEVICE_ERROR;
}
return EFI_SUCCESS;
}
/**
Add a new entry to the Event Log.
@param[in, out] EventLogPtr Pointer to the Event Log data.
@param[in, out] LogSize Size of the Event Log.
@param[in] MaxSize Maximum size of the Event Log.
@param[in] NewEventHdr Pointer to a TCG_PCR_EVENT_HDR data structure.
@param[in] NewEventData Pointer to the new event data.
@retval EFI_SUCCESS The new event log entry was added.
@retval EFI_OUT_OF_RESOURCES No enough memory to log the new event.
**/
EFI_STATUS
TpmCommLogEvent (
IN OUT UINT8 **EventLogPtr,
IN OUT UINTN *LogSize,
IN UINTN MaxSize,
IN TCG_PCR_EVENT_HDR *NewEventHdr,
IN UINT8 *NewEventData
)
{
UINT32 NewLogSize;
NewLogSize = sizeof (*NewEventHdr) + NewEventHdr->EventSize;
if (NewLogSize + *LogSize > MaxSize) {
return EFI_OUT_OF_RESOURCES;
}
*EventLogPtr += *LogSize;
*LogSize += NewLogSize;
CopyMem (*EventLogPtr, NewEventHdr, sizeof (*NewEventHdr));
CopyMem (
*EventLogPtr + sizeof (*NewEventHdr),
NewEventData,
NewEventHdr->EventSize
);
return EFI_SUCCESS;
}

99
SecurityPkg/Tcg/TcgDxe/TpmComm.h Normal file
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/** @file
Definitions and function prototypes used by TPM DXE driver.
Copyright (c) 2005 - 2010, 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 _TPM_COMM_H_
#define _TPM_COMM_H_
/**
Add a new entry to the Event Log.
@param[in, out] EventLogPtr Pointer to the Event Log data.
@param[in, out] LogSize Size of the Event Log.
@param[in] MaxSize Maximum size of the Event Log.
@param[in] NewEventHdr Pointer to a TCG_PCR_EVENT_HDR data structure.
@param[in] NewEventData Pointer to the new event data.
@retval EFI_SUCCESS The new event log entry was added.
@retval EFI_OUT_OF_RESOURCES No enough memory to log the new event.
**/
EFI_STATUS
TpmCommLogEvent (
IN OUT UINT8 **EventLogPtr,
IN OUT UINTN *LogSize,
IN UINTN MaxSize,
IN TCG_PCR_EVENT_HDR *NewEventHdr,
IN UINT8 *NewEventData
);
/**
Extend a TPM PCR.
@param[in] TpmHandle TPM handle.
@param[in] DigestToExtend The 160 bit value representing the event to be recorded.
@param[in] PcrIndex The PCR to be updated.
@param[out] NewPcrValue New PCR value after extend.
@retval EFI_SUCCESS Operation completed successfully.
@retval EFI_DEVICE_ERROR The command was unsuccessful.
**/
EFI_STATUS
TpmCommExtend (
IN TIS_TPM_HANDLE TpmHandle,
IN TPM_DIGEST *DigestToExtend,
IN TPM_PCRINDEX PcrIndex,
OUT TPM_DIGEST *NewPcrValue
);
/**
Get TPM capability flags.
@param[in] TpmHandle TPM handle.
@param[in] FlagSubcap Flag subcap.
@param[out] FlagBuffer Pointer to the buffer for returned flag structure.
@param[in] FlagSize Size of the buffer.
@retval EFI_SUCCESS Operation completed successfully.
@retval EFI_DEVICE_ERROR The command was unsuccessful.
**/
EFI_STATUS
TpmCommGetFlags (
IN TIS_TPM_HANDLE TpmHandle,
IN UINT32 FlagSubcap,
OUT VOID *Buffer,
IN UINTN Size
);
/**
Send formatted command to TPM for execution and return formatted data from response.
@param[in] TisReg TPM Handle.
@param[in] Fmt Format control string.
@param[in] ... The variable argument list.
@retval EFI_SUCCESS Operation completed successfully.
@retval EFI_TIMEOUT The register can't run into the expected status in time.
**/
EFI_STATUS
EFIAPI
TisPcExecute (
IN TIS_TPM_HANDLE TisReg,
IN CONST CHAR8 *Fmt,
...
);
#endif // _TPM_COMM_H_