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SecurityPkg/Ppi: Add gEdkiiCcPpi for CC Measurement in PEI phase 

gEdkiiCcPpi is designed to support CC measurement in PEI phase.

Cc: Jiewen Yao <jiewen.yao@intel.com>
Signed-off-by: Min Xu <min.m.xu@intel.com>
Signed-off-by: Ceping Sun <cepingx.sun@intel.com>
This commit is contained in:
Ceping Sun 2024-09-27 10:14:32 +08:00 committed by mergify[bot]
parent 481c43308b
commit 3b07a2fb52
2 changed files with 81 additions and 0 deletions
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78
SecurityPkg/Include/Ppi/CcMeasurement.h Normal file
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@ -0,0 +1,78 @@
/** @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

3
SecurityPkg/SecurityPkg.dec
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@ -266,6 +266,9 @@
## Include/Ppi/Tcg.h
gEdkiiTcgPpiGuid = {0x57a13b87, 0x133d, 0x4bf3, { 0xbf, 0xf1, 0x1b, 0xca, 0xc7, 0x17, 0x6c, 0xf1 } }
## Include/Ppi/CcMeasurement.h
gEdkiiCcPpiGuid = { 0x8c8f17c3, 0xbb8d, 0x4d4e, { 0x96, 0x0e, 0xd3, 0x33, 0xcf, 0x2b, 0xcb, 0x20 }}
#
# [Error.gEfiSecurityPkgTokenSpaceGuid]
# 0x80000001 | Invalid value provided.