diff options
Diffstat (limited to 'Core/EM/TCG2/Common/EMpTcmDxe.c')
| -rw-r--r-- | Core/EM/TCG2/Common/EMpTcmDxe.c | 482 |
1 files changed, 482 insertions, 0 deletions
diff --git a/Core/EM/TCG2/Common/EMpTcmDxe.c b/Core/EM/TCG2/Common/EMpTcmDxe.c new file mode 100644 index 0000000..c06b7d2 --- /dev/null +++ b/Core/EM/TCG2/Common/EMpTcmDxe.c @@ -0,0 +1,482 @@ +//********************************************************************** +//********************************************************************** +//** ** +//** (C)Copyright 1985-2010, American Megatrends, Inc. ** +//** ** +//** All Rights Reserved. ** +//** ** +//** 5555 Oakbrook Pkwy, Suite 200, Norcross, GA 30093 ** +//** ** +//** Phone: (770)-246-8600 ** +//** ** +//********************************************************************** +//************************************************************************* +// $Header: /Alaska/SOURCE/Modules/TCG2/Common/TcgDxe/EMpTcmDxe.c 1 4/21/14 2:16p Fredericko $ +// +// $Revision: 1 $ +// +// $Date: 4/21/14 2:16p $ +//************************************************************************* +// Revision History +// ---------------- +// $Log: /Alaska/SOURCE/Modules/TCG2/Common/TcgDxe/EMpTcmDxe.c $ +// +// 1 4/21/14 2:16p Fredericko +// +// 2 3/11/14 6:39p Fredericko +// [TAG] EIP151925 +// [Category] New Feature +// [Description] Changes for TcgGeneric Regression Testing +// +// 1 10/08/13 12:03p Fredericko +// Initial Check-In for Tpm-Next module +// +// 1 7/10/13 5:51p Fredericko +// [TAG] EIP120969 +// [Category] New Feature +// [Description] TCG (TPM20) +// +// 4 5/09/12 6:40p Fredericko +// Changes to streamline Tcm driver. Also fixes possible Tcm hang issues +// during reboot cycles. +// +// 3 4/01/11 11:14a Fredericko +// +// 2 3/29/11 1:16p Fredericko +// +// 1 3/28/11 2:23p Fredericko +// [TAG] EIP 54642 +// [Category] Improvement +// [Description] 1. Checkin Files related to TCG function override +// 2. Include TCM and TPM auto detection +// [Files] Affects all TCG files +// +// 11 5/20/10 12:02p Fredericko +// variable name change +// +// 7 3/25/10 7:18p Fredericko +// changes for clearing of PPI variables on legacy or TCM support. +// +// 6 3/23/10 9:21p Fredericko +// +// 5 3/23/10 6:59p Fredericko +// Changes for optimization issues with compiler. +// +// 4 3/19/10 4:29p Fredericko +// Modified for legacy IO interface support +// +// 3 6/02/09 2:38p Fredericko +// +// 2 6/02/09 1:12p Fredericko +// +// 1 5/18/09 6:06p Fredericko +// Initial check-in for EMpTpmDxe.c for CTPM support infrastructure. +// +//************************************************************************* +//<AMI_FHDR_START> +// +// Name: EMpTpmDxe.c +// +// Description: +// Contains function that help with making legacy TCG calls +// +//<AMI_FHDR_END> +//************************************************************************* +#include <Efi.h> +#include "TcgTpm12.h" +#include <TpmLib.h> +#include "Protocol\TpmDevice\TpmDevice.h" +#include <AmiDxeLib.h> +#include "TcgMisc.h" +#include "token.h" +#include "Efi.h" + +#define _CR( Record, TYPE,\ + Field )((TYPE*) ((CHAR8*) (Record)- (CHAR8*) &(((TYPE*) 0)->Field))) + +#define TPM_DXE_PRIVATE_DATA_FROM_THIS( this )\ + _CR( this, TPM_DXE_PRIVATE_DATA, TpmInterface ) + +typedef struct _TPM_DXE_PRIVATE_DATA +{ + EFI_TPM_DEVICE_PROTOCOL TpmInterface; +} TPM_DXE_PRIVATE_DATA; + +static UINTN FuncID; +static TPMTransmitEntryStruct EmptyBuf; +static UINT32 Ret; +UINT8 *SHA_ARRAY; + + + +//********************************************************************** +//<AMI_PHDR_START> +// +// Name: EMpTcmDxeInit +// +// Description: Call to OEM driver to initialize TPM. +// +// Input: IN EFI_TPM_DEVICE_PROTOCOL *This +// +// Returns: EFI_STATUS +// +// Output: +// +// Modified: +// +// Referrals: +// +// Notes: +//<AMI_PHDR_END> +//********************************************************************** +EFI_STATUS +EFIAPI EMpTcmDxeInit( + IN EFI_TPM_DEVICE_PROTOCOL *This ) +{ + TPM_DXE_PRIVATE_DATA *Private; + EFI_PHYSICAL_ADDRESS TPM_Base = (EFI_PHYSICAL_ADDRESS)PORT_TPM_IOMEMBASE; + + FuncID = MA_FUNCTION_INIT; + Private = TPM_DXE_PRIVATE_DATA_FROM_THIS( This ); + TcmDxeCallMPDriver( FuncID, &EmptyBuf, &Ret ); + + if ( !Ret ) + { + return EFI_SUCCESS; + } + return EFI_DEVICE_ERROR; +} + + + +//********************************************************************** +//<AMI_PHDR_START> +// +// Name: EMpTcmDxeClose +// +// Description: Close TPM connection for locality 0 +// +// Input: IN PEI_TPM_PPI *This, +// IN EFI_PEI_SERVICES **PeiServices +// +// Output: EFI STATUS +/// +// Output: +// +// Modified: +// +// Referrals: +// +// Notes: +//<AMI_PHDR_END> +//********************************************************************** +EFI_STATUS +EFIAPI EMpTcmDxeClose( + IN EFI_TPM_DEVICE_PROTOCOL *This ) +{ + TPM_DXE_PRIVATE_DATA *Private; + + FuncID = MP_FUNCTION_CLOSE; + Private = TPM_DXE_PRIVATE_DATA_FROM_THIS( This ); + TcmDxeCallMPDriver( FuncID, &EmptyBuf, &Ret ); + + if ( !Ret ) + { + return EFI_SUCCESS; + } + return EFI_DEVICE_ERROR; +} + + + + +//********************************************************************** +//<AMI_PHDR_START> +// +// +// Name: EMpTcmDxeGetStatusInfo +// +// Description: GetStatus Info from MP driver +// +// Input: IN PEI_TPM_PPI *This, +// IN EFI_PEI_SERVICES **PeiServices +// +// Output: EFI STATUS +// +// Output: +// +// Modified: +// +// Referrals: +// +// Notes: +//<AMI_PHDR_END> +//********************************************************************** +EFI_STATUS +EFIAPI EMpTcmDxeGetStatusInfo( + IN EFI_TPM_DEVICE_PROTOCOL * This + ) +{ + TPM_DXE_PRIVATE_DATA *Private; + + FuncID = MP_FUNCTION_GET_STATUS; + Private = TPM_DXE_PRIVATE_DATA_FROM_THIS( This ); + TcmDxeCallMPDriver( FuncID, &EmptyBuf, &Ret ); + + if ( !Ret ) + { + return EFI_SUCCESS; + } + return EFI_DEVICE_ERROR; +} + + + + + +//********************************************************************** +//<AMI_PHDR_START> +// +// +// Name: EMpTcmDxeGetStatusInfo +// +// Description: GetStatus Info from MP driver +// +// Input: IN PEI_TPM_PPI *This, +// IN EFI_PEI_SERVICES **PeiServices +// +// Output: EFI STATUS +// +// Output: +// +// Modified: +// +// Referrals: +// +// Notes: +//<AMI_PHDR_END> +//********************************************************************** +BOOLEAN +EFIAPI EMpTcmDxeSHA1Setup ( +IN EFI_TPM_DEVICE_PROTOCOL *This, +IN UINTN NoInBuffers, +IN TPM_TRANSMIT_BUFFER *InBuffers, +IN OUT void **Buffer +) +{ + + TPM_1_2_CMD_HEADER *SHA1HeaderCheck; + + SHA1HeaderCheck = (TPM_1_2_CMD_HEADER*)InBuffers->Buffer; + + if ( SHA1HeaderCheck->Ordinal !=TPM_H2NL(TCM_ORD_SHA1CompleteExtend ) && + SHA1HeaderCheck->Ordinal !=TPM_H2NL( TCM_ORD_SHA1Update )) + { + //no need to modify buffers just pass it through + return FALSE; + } + + //if we get here it means the buffer needs to be modified! + pBS->AllocatePool( EfiBootservicesData, + InBuffers[0].Size + InBuffers[1].Size, + &SHA_ARRAY ); + + pBS->CopyMem( &SHA_ARRAY[0], + InBuffers[0].Buffer, + InBuffers[0].Size ); + + pBS->CopyMem( &SHA_ARRAY[InBuffers[0].Size], + InBuffers[1].Buffer, + InBuffers[1].Size ); + *Buffer = SHA_ARRAY; + return TRUE; +} + + + +//********************************************************************** +//<AMI_PHDR_START> +// +// +// Name: EMpTcmDxeTransmit +// +// Description: Dxe Transmit Tcg Data +// +// Input: IN EFI_TPM_DEVICE_PROTOCOL *This, +// IN UINTN NoInBuffers, +// IN TPM_TRANSMIT_BUFFER *InBuffers, +// IN UINTN NoOutBuffers, +// IN OUT TPM_TRANSMIT_BUFFER *OutBuffers +// +// Output: EFI STATUS +// +// Output: +// +// Modified: +// +// Referrals: +// +// Notes: +//<AMI_PHDR_END> +//********************************************************************** + +EFI_STATUS +EFIAPI EMpTcmDxeTransmit( + IN EFI_TPM_DEVICE_PROTOCOL *This, + IN UINTN NoInBuffers, + IN TPM_TRANSMIT_BUFFER *InBuffers, + IN UINTN NoOutBuffers, + IN OUT TPM_TRANSMIT_BUFFER *OutBuffers ) +{ + TPM_DXE_PRIVATE_DATA *Private; + TPMTransmitEntryStruct FillESI; + UINTN FuncID = (UINTN)MP_FUNCTION_TRANSMIT; + UINT32 Ret; + UINT8 *SHA_ARRAY_OUT = NULL; + BOOLEAN FillBuff = FALSE; + BOOLEAN Other = FALSE; + UINTN i = 0, loc = 0; + UINT8 *Tpm_SHA_ARRAY= NULL; + EFI_STATUS Status; + + + if(NoInBuffers == 0 || InBuffers == NULL || NoOutBuffers == 0 || OutBuffers == NULL) + return EFI_INVALID_PARAMETER; + + FillESI.dwInLen = 0; + FillESI.dwOutLen = 0; + + for (; i < NoInBuffers; i++ ) + { + FillESI.dwInLen += (UINT32)InBuffers[i].Size; + } + + Status = pBS-> AllocatePool( EfiBootservicesData, FillESI.dwInLen, &Tpm_SHA_ARRAY); + if(EFI_ERROR(Status))return Status; + + for (i = 0; i < NoOutBuffers; i++ ) + { + FillESI.dwOutLen += (UINT32)OutBuffers[i].Size; + } + + Status = pBS-> AllocatePool( EfiBootservicesData, FillESI.dwOutLen, &SHA_ARRAY_OUT ); + if(EFI_ERROR(Status))return Status; + + + for (i = 0; i < NoInBuffers; i++ ) + { + pBS->CopyMem(Tpm_SHA_ARRAY + loc, + InBuffers[i].Buffer, + InBuffers[i].Size ); + + loc += InBuffers[i].Size; + } + + FillESI.pbInBuf = (UINT32)(EFI_PHYSICAL_ADDRESS) Tpm_SHA_ARRAY; + FillESI.pbOutBuf = (UINT32)(EFI_PHYSICAL_ADDRESS) SHA_ARRAY_OUT; + + Private = TPM_DXE_PRIVATE_DATA_FROM_THIS( This ); + TcmDxeCallMPDriver( FuncID, &FillESI, &Ret ); + + if ( Tpm_SHA_ARRAY != NULL ) + { + pBS->FreePool( Tpm_SHA_ARRAY ); + } + + loc = 0; + + for (i=0; i < NoOutBuffers; i++ ) + { + pBS->CopyMem( OutBuffers[i].Buffer, + &SHA_ARRAY_OUT[loc], + OutBuffers[i].Size ); + loc += (UINTN)OutBuffers[i].Size; + } + + if ( SHA_ARRAY_OUT != NULL ) + { + pBS->FreePool( SHA_ARRAY_OUT ); + } + + return EFI_SUCCESS; +} + + + + +static TPM_DXE_PRIVATE_DATA mTpmPrivate = { + { + EMpTcmDxeInit, + EMpTcmDxeClose, + EMpTcmDxeGetStatusInfo, + EMpTcmDxeTransmit + } +}; + + +EFI_GUID legTcgGuid = AMI_TCG_RESETVAR_HOB_GUID; +//********************************************************************** +//<AMI_PHDR_START> +// +// +// Name: TcmDxeEntry +// +// Description: TpmDxeEntry, Init TpmDxeDriver and install protocol +// +// Input: EFI_HANDLE ImageHandle +// EFI_SYSTEM_TABLE *SystemTable +// +// Output: EFI STATUS +// +// Output: +// +// Modified: +// +// Referrals: +// +// Notes: +//<AMI_PHDR_END> +//********************************************************************** + +EFI_STATUS +EFIAPI TcmDxeEntry( + IN EFI_HANDLE ImageHandle, + IN EFI_SYSTEM_TABLE *SystemTable) +{ + EFI_STATUS Status; + EFI_PHYSICAL_ADDRESS TPM_Base = (EFI_PHYSICAL_ADDRESS)PORT_TPM_IOMEMBASE; + FAR32LOCALS *TempLoc = NULL; + EFI_GUID gMpDriverHobGuid = EFI_TCG_MPDriver_HOB_GUID; + + TempLoc = (FAR32LOCALS*)LocateATcgHob( pST->NumberOfTableEntries, + pST->ConfigurationTable, + &gMpDriverHobGuid ); + + + if(TempLoc->Offset == 0) return EFI_NOT_FOUND; + + Prepare2Thunkproc( TempLoc->Offset, TempLoc->Selector ); + Status = pBS->InstallMultipleProtocolInterfaces( + &ImageHandle, + &gEfiTpmDeviceProtocolGuid, + &mTpmPrivate.TpmInterface, + NULL + ); + + return Status; +} + +//********************************************************************** +//********************************************************************** +//** ** +//** (C)Copyright 1985-2010, American Megatrends, Inc. ** +//** ** +//** All Rights Reserved. ** +//** ** +//** 5555 Oakbrook Pkwy, Suite 200, Norcross, GA 30093 ** +//** ** +//** Phone: (770)-246-8600 ** +//** ** +//********************************************************************** +//********************************************************************** +//********************************************************************** |