mirror of https://github.com/acidanthera/audk.git
79 lines
2.4 KiB
C
79 lines
2.4 KiB
C
/** @file
|
|
CC Measurement PPI services.
|
|
|
|
Copyright (c) 2024, Intel Corporation. All rights reserved.<BR>
|
|
SPDX-License-Identifier: BSD-2-Clause-Patent
|
|
|
|
**/
|
|
|
|
#ifndef _CC_MEASUREMENT_PPI_H_
|
|
#define _CC_MEASUREMENT_PPI_H_
|
|
|
|
#include <Protocol/CcMeasurement.h>
|
|
|
|
typedef struct _EDKII_CC_PPI EDKII_CC_PPI;
|
|
|
|
//
|
|
// This bit is shall be set when HashData is the pre-hash digest.
|
|
//
|
|
#define EDKII_CC_PRE_HASH 0x0000000000000001
|
|
|
|
//
|
|
// This bit is shall be set when HashData is the pre-hash digest and log only.
|
|
//
|
|
#define EDKII_CC_PRE_HASH_LOG_ONLY 0x0000000000000002
|
|
|
|
/**
|
|
Do a hash operation on a data buffer, extend a specific RTMR with the hash result,
|
|
and build a GUIDed HOB recording the event which will be passed to the DXE phase and
|
|
added into the Event Log.
|
|
|
|
@param[in] This Indicates the calling context
|
|
@param[in] Flags Bitmap providing additional information
|
|
@param[in] HashData Physical address of the start of the data buffer to be hashed.
|
|
@param[in] HashDataLen The length, in bytes, of the buffer referenced by HashData.
|
|
@param[in] NewEventHdr Pointer to a CC_EVENT_HDR data structure.
|
|
@param[in] NewEventData Pointer to the new event data.
|
|
|
|
@retval EFI_SUCCESS Operation completed successfully.
|
|
@retval Others Other error as indicated
|
|
**/
|
|
typedef
|
|
EFI_STATUS
|
|
(EFIAPI *EDKII_CC_HASH_LOG_EXTEND_EVENT)(
|
|
IN EDKII_CC_PPI *This,
|
|
IN UINT64 Flags,
|
|
IN EFI_PHYSICAL_ADDRESS HashData,
|
|
IN UINTN HashDataLen,
|
|
IN CC_EVENT_HDR *NewEventHdr,
|
|
IN UINT8 *NewEventData
|
|
);
|
|
|
|
/**
|
|
The EDKII_CC_MEASUREMENT_PPI MapPcrToMrIndex function call provides callers
|
|
the info on TPM PCR <-> CC MR mapping information.
|
|
|
|
@param[in] This Indicates the calling context
|
|
@param[in] PcrIndex TPM PCR index.
|
|
@param[out] MrIndex CC MR index.
|
|
|
|
@retval EFI_SUCCESS The MrIndex is returned.
|
|
@retval Others Other error as indicated
|
|
**/
|
|
typedef
|
|
EFI_STATUS
|
|
(EFIAPI *EDKII_CC_MAP_PCR_TO_MR_INDEX)(
|
|
IN EDKII_CC_PPI *This,
|
|
IN TCG_PCRINDEX PcrIndex,
|
|
OUT EFI_CC_MR_INDEX *MrIndex
|
|
);
|
|
|
|
struct _EDKII_CC_PPI {
|
|
EDKII_CC_HASH_LOG_EXTEND_EVENT HashLogExtendEvent;
|
|
EDKII_CC_MAP_PCR_TO_MR_INDEX MapPcrToMrIndex;
|
|
};
|
|
|
|
extern EFI_GUID gEdkiiCcPpiGuid;
|
|
|
|
#endif
|