TrEEProtocol.h

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#ifndef __TREE_H__
#define __TREE_H__
 
#include <IndustryStandard/UefiTcgPlatform.h>
#include <IndustryStandard/Tpm20.h>
 
#define EFI_TREE_PROTOCOL_GUID \
  {0x607f766c, 0x7455, 0x42be, 0x93, 0x0b, 0xe4, 0xd7, 0x6d, 0xb2, 0x72, 0x0f}
 
typedef struct _EFI_TREE_PROTOCOL EFI_TREE_PROTOCOL;
 
typedef struct _TREE_VERSION {
  UINT8 Major;
  UINT8 Minor;
} TREE_VERSION;
 
typedef UINT32 TREE_EVENT_LOG_BITMAP;
typedef UINT32 TREE_EVENT_LOG_FORMAT;
 
#define TREE_EVENT_LOG_FORMAT_TCG_1_2       0x00000001
 
typedef struct _TREE_BOOT_SERVICE_CAPABILITY {
  //
  // Allocated size of the structure passed in
  //
  UINT8                 Size;
  //
  // Version of the TREE_BOOT_SERVICE_CAPABILITY structure itself.
  // For this version of the protocol, the Major version shall be set to 1
  // and the Minor version shall be set to 0.
  //
  TREE_VERSION          StructureVersion;
  //
  // Version of the TrEE protocol.
  // For this version of the protocol, the Major version shall be set to 1
  // and the Minor version shall be set to 0.
  //
  TREE_VERSION          ProtocolVersion;
  //
  // Supported hash algorithms
  //
  UINT32                HashAlgorithmBitmap;
  //
  // Bitmap of supported event log formats
  //
  TREE_EVENT_LOG_BITMAP SupportedEventLogs;
  //
  // False = TrEE not present
  //
  BOOLEAN               TrEEPresentFlag;
  //
  // Max size (in bytes) of a command that can be sent to the TrEE
  //
  UINT16                MaxCommandSize;
  //
  // Max size (in bytes) of a response that can be provided by the TrEE
  //
  UINT16                MaxResponseSize;
  //
  // 4-byte Vendor ID (see Trusted Computing Group, "TCG Vendor ID Registry,"
  // Version 1.0, Revision 0.1, August 31, 2007, "TPM Capabilities Vendor ID" section)
  //
  UINT32                ManufacturerID;
} TREE_BOOT_SERVICE_CAPABILITY_1_0;
 
typedef TREE_BOOT_SERVICE_CAPABILITY_1_0 TREE_BOOT_SERVICE_CAPABILITY;
 
#define TREE_BOOT_HASH_ALG_SHA1   0x00000001
#define TREE_BOOT_HASH_ALG_SHA256 0x00000002
#define TREE_BOOT_HASH_ALG_SHA384 0x00000004
#define TREE_BOOT_HASH_ALG_SHA512 0x00000008
 
//
// This bit is shall be set when an event shall be extended but not logged.
//
#define TREE_EXTEND_ONLY  0x0000000000000001
//
// This bit shall be set when the intent is to measure a PE/COFF image.
//
#define PE_COFF_IMAGE     0x0000000000000010
 
typedef UINT32 TrEE_PCRINDEX;
typedef UINT32 TrEE_EVENTTYPE;
 
#define MAX_PCR_INDEX  23
#define TREE_EVENT_HEADER_VERSION  1
 
#pragma pack(1)
 
typedef struct {
  //
  // Size of the event header itself (sizeof(TrEE_EVENT_HEADER)).
  //
  UINT32            HeaderSize;
  //
  // Header version. For this version of this specification, the value shall be 1.
  //
  UINT16            HeaderVersion;
  //
  // Index of the PCR that shall be extended (0 - 23).
  //
  TrEE_PCRINDEX     PCRIndex;
  //
  // Type of the event that shall be extended (and optionally logged).
  //
  TrEE_EVENTTYPE    EventType;
} TrEE_EVENT_HEADER;
 
typedef struct {
  //
  // Total size of the event including the Size component, the header and the Event data.
  //
  UINT32            Size;
  TrEE_EVENT_HEADER Header;
  UINT8             Event[1];
} TrEE_EVENT;
 
#pragma pack()
 
typedef
EFI_STATUS
(EFIAPI *EFI_TREE_GET_CAPABILITY) (
  IN EFI_TREE_PROTOCOL                *This,
  IN OUT TREE_BOOT_SERVICE_CAPABILITY *ProtocolCapability
  );
 
typedef
EFI_STATUS
(EFIAPI *EFI_TREE_GET_EVENT_LOG) (
  IN EFI_TREE_PROTOCOL     *This,
  IN TREE_EVENT_LOG_FORMAT EventLogFormat,
  OUT EFI_PHYSICAL_ADDRESS *EventLogLocation,
  OUT EFI_PHYSICAL_ADDRESS *EventLogLastEntry,
  OUT BOOLEAN              *EventLogTruncated
  );
 
typedef
EFI_STATUS
(EFIAPI * EFI_TREE_HASH_LOG_EXTEND_EVENT) (
  IN EFI_TREE_PROTOCOL    *This,
  IN UINT64               Flags,
  IN EFI_PHYSICAL_ADDRESS DataToHash,
  IN UINT64               DataToHashLen,
  IN TrEE_EVENT           *Event
  );
 
typedef
EFI_STATUS
(EFIAPI *EFI_TREE_SUBMIT_COMMAND) (
  IN EFI_TREE_PROTOCOL *This,
  IN UINT32            InputParameterBlockSize,
  IN UINT8             *InputParameterBlock,
  IN UINT32            OutputParameterBlockSize,
  IN UINT8             *OutputParameterBlock
  );
 
struct _EFI_TREE_PROTOCOL {
  EFI_TREE_GET_CAPABILITY        GetCapability;
  EFI_TREE_GET_EVENT_LOG         GetEventLog;
  EFI_TREE_HASH_LOG_EXTEND_EVENT HashLogExtendEvent;
  EFI_TREE_SUBMIT_COMMAND        SubmitCommand;
};
 
extern EFI_GUID gEfiTrEEProtocolGuid;
 
#endif