/** @file | |
TCG PPI services. | |
Copyright (c) 2020, Intel Corporation. All rights reserved.<BR> | |
SPDX-License-Identifier: BSD-2-Clause-Patent | |
**/ | |
#ifndef _TCG_PPI_H_ | |
#define _TCG_PPI_H_ | |
#include <IndustryStandard/UefiTcgPlatform.h> | |
typedef struct _EDKII_TCG_PPI EDKII_TCG_PPI; | |
// | |
// This bit is shall be set when HashData is the pre-hash digest. | |
// | |
#define EDKII_TCG_PRE_HASH 0x0000000000000001 | |
// | |
// This bit is shall be set when HashData is the pre-hash digest and log only. | |
// | |
#define EDKII_TCG_PRE_HASH_LOG_ONLY 0x0000000000000002 | |
/** | |
Tpm measure and log data, and extend the measurement result into a specific PCR. | |
@param[in] This Indicates the calling context | |
@param[in] Flags Bitmap providing additional information | |
@param[in] HashData If BIT0 of Flags is 0, it is physical address of the | |
start of the data buffer to be hashed, extended, and logged. | |
If BIT0 of Flags is 1, it is physical address of the | |
start of the pre-hash data buffter to be extended, and logged. | |
The pre-hash data format is TPML_DIGEST_VALUES. | |
@param[in] HashDataLen The length, in bytes, of the buffer referenced by HashData. | |
@param[in] NewEventHdr Pointer to a TCG_PCR_EVENT_HDR data structure. | |
@param[in] NewEventData Pointer to the new event data. | |
@retval EFI_SUCCESS Operation completed successfully. | |
@retval EFI_UNSUPPORTED TPM device not available. | |
@retval EFI_OUT_OF_RESOURCES Out of memory. | |
@retval EFI_DEVICE_ERROR The operation was unsuccessful. | |
**/ | |
typedef | |
EFI_STATUS | |
(EFIAPI *EDKII_TCG_HASH_LOG_EXTEND_EVENT)( | |
IN EDKII_TCG_PPI *This, | |
IN UINT64 Flags, | |
IN UINT8 *HashData, | |
IN UINTN HashDataLen, | |
IN TCG_PCR_EVENT_HDR *NewEventHdr, | |
IN UINT8 *NewEventData | |
); | |
/// | |
/// The EFI_TCG Protocol abstracts TCG activity. | |
/// | |
struct _EDKII_TCG_PPI { | |
EDKII_TCG_HASH_LOG_EXTEND_EVENT HashLogExtendEvent; | |
}; | |
extern EFI_GUID gEdkiiTcgPpiGuid; | |
#endif |