UefiCpuPkg: Move AsmRelocateApLoopStart from Mpfuncs.nasm to AmdSev.nasm

[mirror_edk2.git] / SecurityPkg / Library / Tpm12CommandLib / Tpm12NvStorage.c

/** @file\r
  Implement TPM1.2 NV storage related command.\r
\r
Copyright (c) 2015 - 2018, Intel Corporation. All rights reserved. <BR>\r
(C) Copyright 2016 Hewlett Packard Enterprise Development LP<BR>\r
SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
#include <PiPei.h>\r
#include <Library/Tpm12CommandLib.h>\r
#include <Library/BaseLib.h>\r
#include <Library/DebugLib.h>\r
#include <Library/BaseMemoryLib.h>\r
#include <Library/Tpm12DeviceLib.h>\r
\r
//\r
// Max TPM NV value length\r
//\r
#define TPMNVVALUELENGTH  1024\r
\r
#pragma pack(1)\r
\r
typedef struct {\r
  TPM_RQU_COMMAND_HDR     Hdr;\r
  TPM12_NV_DATA_PUBLIC    PubInfo;\r
  TPM_ENCAUTH             EncAuth;\r
} TPM_CMD_NV_DEFINE_SPACE;\r
\r
typedef struct {\r
  TPM_RQU_COMMAND_HDR    Hdr;\r
  TPM_NV_INDEX           NvIndex;\r
  UINT32                 Offset;\r
  UINT32                 DataSize;\r
} TPM_CMD_NV_READ_VALUE;\r
\r
typedef struct {\r
  TPM_RSP_COMMAND_HDR    Hdr;\r
  UINT32                 DataSize;\r
  UINT8                  Data[TPMNVVALUELENGTH];\r
} TPM_RSP_NV_READ_VALUE;\r
\r
typedef struct {\r
  TPM_RQU_COMMAND_HDR    Hdr;\r
  TPM_NV_INDEX           NvIndex;\r
  UINT32                 Offset;\r
  UINT32                 DataSize;\r
  UINT8                  Data[TPMNVVALUELENGTH];\r
} TPM_CMD_NV_WRITE_VALUE;\r
\r
#pragma pack()\r
\r
/**\r
  Send NV DefineSpace command to TPM1.2.\r
\r
  @param PubInfo           The public parameters of the NV area.\r
  @param EncAuth           The encrypted AuthData, only valid if the attributes require subsequent authorization.\r
\r
  @retval EFI_SUCCESS      Operation completed successfully.\r
  @retval EFI_DEVICE_ERROR Unexpected device behavior.\r
**/\r
EFI_STATUS\r
EFIAPI\r
Tpm12NvDefineSpace (\r
  IN TPM12_NV_DATA_PUBLIC  *PubInfo,\r
  IN TPM_ENCAUTH           *EncAuth\r
  )\r
{\r
  EFI_STATUS               Status;\r
  TPM_CMD_NV_DEFINE_SPACE  Command;\r
  TPM_RSP_COMMAND_HDR      Response;\r
  UINT32                   Length;\r
\r
  //\r
  // send Tpm command TPM_ORD_NV_DefineSpace\r
  //\r
  Command.Hdr.tag                                       = SwapBytes16 (TPM_TAG_RQU_COMMAND);\r
  Command.Hdr.paramSize                                 = SwapBytes32 (sizeof (Command));\r
  Command.Hdr.ordinal                                   = SwapBytes32 (TPM_ORD_NV_DefineSpace);\r
  Command.PubInfo.tag                                   = SwapBytes16 (PubInfo->tag);\r
  Command.PubInfo.nvIndex                               = SwapBytes32 (PubInfo->nvIndex);\r
  Command.PubInfo.pcrInfoRead.pcrSelection.sizeOfSelect = SwapBytes16 (PubInfo->pcrInfoRead.pcrSelection.sizeOfSelect);\r
  Command.PubInfo.pcrInfoRead.pcrSelection.pcrSelect[0] = PubInfo->pcrInfoRead.pcrSelection.pcrSelect[0];\r
  Command.PubInfo.pcrInfoRead.pcrSelection.pcrSelect[1] = PubInfo->pcrInfoRead.pcrSelection.pcrSelect[1];\r
  Command.PubInfo.pcrInfoRead.pcrSelection.pcrSelect[2] = PubInfo->pcrInfoRead.pcrSelection.pcrSelect[2];\r
  Command.PubInfo.pcrInfoRead.localityAtRelease         = PubInfo->pcrInfoRead.localityAtRelease;\r
  CopyMem (&Command.PubInfo.pcrInfoRead.digestAtRelease, &PubInfo->pcrInfoRead.digestAtRelease, sizeof (PubInfo->pcrInfoRead.digestAtRelease));\r
  Command.PubInfo.pcrInfoWrite.pcrSelection.sizeOfSelect = SwapBytes16 (PubInfo->pcrInfoWrite.pcrSelection.sizeOfSelect);\r
  Command.PubInfo.pcrInfoWrite.pcrSelection.pcrSelect[0] = PubInfo->pcrInfoWrite.pcrSelection.pcrSelect[0];\r
  Command.PubInfo.pcrInfoWrite.pcrSelection.pcrSelect[1] = PubInfo->pcrInfoWrite.pcrSelection.pcrSelect[1];\r
  Command.PubInfo.pcrInfoWrite.pcrSelection.pcrSelect[2] = PubInfo->pcrInfoWrite.pcrSelection.pcrSelect[2];\r
  Command.PubInfo.pcrInfoWrite.localityAtRelease         = PubInfo->pcrInfoWrite.localityAtRelease;\r
  CopyMem (&Command.PubInfo.pcrInfoWrite.digestAtRelease, &PubInfo->pcrInfoWrite.digestAtRelease, sizeof (PubInfo->pcrInfoWrite.digestAtRelease));\r
  Command.PubInfo.permission.tag        = SwapBytes16 (PubInfo->permission.tag);\r
  Command.PubInfo.permission.attributes = SwapBytes32 (PubInfo->permission.attributes);\r
  Command.PubInfo.bReadSTClear          = PubInfo->bReadSTClear;\r
  Command.PubInfo.bWriteSTClear         = PubInfo->bWriteSTClear;\r
  Command.PubInfo.bWriteDefine          = PubInfo->bWriteDefine;\r
  Command.PubInfo.dataSize              = SwapBytes32 (PubInfo->dataSize);\r
  CopyMem (&Command.EncAuth, EncAuth, sizeof (*EncAuth));\r
  Length = sizeof (Response);\r
  Status = Tpm12SubmitCommand (sizeof (Command), (UINT8 *)&Command, &Length, (UINT8 *)&Response);\r
  if (EFI_ERROR (Status)) {\r
    return Status;\r
  }\r
\r
  DEBUG ((DEBUG_INFO, "Tpm12NvDefineSpace - ReturnCode = %x\n", SwapBytes32 (Response.returnCode)));\r
  switch (SwapBytes32 (Response.returnCode)) {\r
    case TPM_SUCCESS:\r
      return EFI_SUCCESS;\r
    default:\r
      return EFI_DEVICE_ERROR;\r
  }\r
}\r
\r
/**\r
  Send NV ReadValue command to TPM1.2.\r
\r
  @param NvIndex           The index of the area to set.\r
  @param Offset            The offset into the area.\r
  @param DataSize          The size of the data area.\r
  @param Data              The data to set the area to.\r
\r
  @retval EFI_SUCCESS      Operation completed successfully.\r
  @retval EFI_DEVICE_ERROR Unexpected device behavior.\r
**/\r
EFI_STATUS\r
EFIAPI\r
Tpm12NvReadValue (\r
  IN TPM_NV_INDEX  NvIndex,\r
  IN UINT32        Offset,\r
  IN OUT UINT32    *DataSize,\r
  OUT UINT8        *Data\r
  )\r
{\r
  EFI_STATUS             Status;\r
  TPM_CMD_NV_READ_VALUE  Command;\r
  TPM_RSP_NV_READ_VALUE  Response;\r
  UINT32                 Length;\r
\r
  //\r
  // send Tpm command TPM_ORD_NV_ReadValue\r
  //\r
  Command.Hdr.tag       = SwapBytes16 (TPM_TAG_RQU_COMMAND);\r
  Command.Hdr.paramSize = SwapBytes32 (sizeof (Command));\r
  Command.Hdr.ordinal   = SwapBytes32 (TPM_ORD_NV_ReadValue);\r
  Command.NvIndex       = SwapBytes32 (NvIndex);\r
  Command.Offset        = SwapBytes32 (Offset);\r
  Command.DataSize      = SwapBytes32 (*DataSize);\r
  Length                = sizeof (Response);\r
  Status                = Tpm12SubmitCommand (sizeof (Command), (UINT8 *)&Command, &Length, (UINT8 *)&Response);\r
  if (EFI_ERROR (Status)) {\r
    return Status;\r
  }\r
\r
  DEBUG ((DEBUG_INFO, "Tpm12NvReadValue - ReturnCode = %x\n", SwapBytes32 (Response.Hdr.returnCode)));\r
  switch (SwapBytes32 (Response.Hdr.returnCode)) {\r
    case TPM_SUCCESS:\r
      break;\r
    default:\r
      return EFI_DEVICE_ERROR;\r
  }\r
\r
  //\r
  // Return the response\r
  //\r
  if (SwapBytes32 (Response.DataSize) > *DataSize) {\r
    return EFI_BUFFER_TOO_SMALL;\r
  }\r
\r
  *DataSize = SwapBytes32 (Response.DataSize);\r
  ZeroMem (Data, *DataSize);\r
  CopyMem (Data, &Response.Data, *DataSize);\r
\r
  return EFI_SUCCESS;\r
}\r
\r
/**\r
  Send NV WriteValue command to TPM1.2.\r
\r
  @param NvIndex           The index of the area to set.\r
  @param Offset            The offset into the NV Area.\r
  @param DataSize          The size of the data parameter.\r
  @param Data              The data to set the area to.\r
\r
  @retval EFI_SUCCESS      Operation completed successfully.\r
  @retval EFI_DEVICE_ERROR Unexpected device behavior.\r
**/\r
EFI_STATUS\r
EFIAPI\r
Tpm12NvWriteValue (\r
  IN TPM_NV_INDEX  NvIndex,\r
  IN UINT32        Offset,\r
  IN UINT32        DataSize,\r
  IN UINT8         *Data\r
  )\r
{\r
  EFI_STATUS              Status;\r
  TPM_CMD_NV_WRITE_VALUE  Command;\r
  UINT32                  CommandLength;\r
  TPM_RSP_COMMAND_HDR     Response;\r
  UINT32                  ResponseLength;\r
\r
  if (DataSize > sizeof (Command.Data)) {\r
    return EFI_UNSUPPORTED;\r
  }\r
\r
  //\r
  // send Tpm command TPM_ORD_NV_WriteValue\r
  //\r
  Command.Hdr.tag       = SwapBytes16 (TPM_TAG_RQU_COMMAND);\r
  CommandLength         = sizeof (Command) - sizeof (Command.Data) + DataSize;\r
  Command.Hdr.paramSize = SwapBytes32 (CommandLength);\r
  Command.Hdr.ordinal   = SwapBytes32 (TPM_ORD_NV_WriteValue);\r
  Command.NvIndex       = SwapBytes32 (NvIndex);\r
  Command.Offset        = SwapBytes32 (Offset);\r
  Command.DataSize      = SwapBytes32 (DataSize);\r
  CopyMem (Command.Data, Data, DataSize);\r
  ResponseLength = sizeof (Response);\r
  Status         = Tpm12SubmitCommand (CommandLength, (UINT8 *)&Command, &ResponseLength, (UINT8 *)&Response);\r
  if (EFI_ERROR (Status)) {\r
    return Status;\r
  }\r
\r
  DEBUG ((DEBUG_INFO, "Tpm12NvWriteValue - ReturnCode = %x\n", SwapBytes32 (Response.returnCode)));\r
  switch (SwapBytes32 (Response.returnCode)) {\r
    case TPM_SUCCESS:\r
      return EFI_SUCCESS;\r
    default:\r
      return EFI_DEVICE_ERROR;\r
  }\r
}\r