SecurityPkg: Apply uncrustify changes

[mirror_edk2.git] / SecurityPkg / Library / Tpm2CommandLib / Tpm2Startup.c

/** @file\r
  Implement TPM2 Startup related command.\r
\r
Copyright (c) 2013 - 2016, 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 <IndustryStandard/UefiTcgPlatform.h>\r
#include <Library/Tpm2CommandLib.h>\r
#include <Library/Tpm2DeviceLib.h>\r
#include <Library/BaseMemoryLib.h>\r
#include <Library/BaseLib.h>\r
#include <Library/DebugLib.h>\r
\r
#pragma pack(1)\r
\r
typedef struct {\r
  TPM2_COMMAND_HEADER    Header;\r
  TPM_SU                 StartupType;\r
} TPM2_STARTUP_COMMAND;\r
\r
typedef struct {\r
  TPM2_RESPONSE_HEADER    Header;\r
} TPM2_STARTUP_RESPONSE;\r
\r
typedef struct {\r
  TPM2_COMMAND_HEADER    Header;\r
  TPM_SU                 ShutdownType;\r
} TPM2_SHUTDOWN_COMMAND;\r
\r
typedef struct {\r
  TPM2_RESPONSE_HEADER    Header;\r
} TPM2_SHUTDOWN_RESPONSE;\r
\r
#pragma pack()\r
\r
/**\r
  Send Startup command to TPM2.\r
\r
  @param[in] StartupType           TPM_SU_CLEAR or TPM_SU_STATE\r
\r
  @retval EFI_SUCCESS      Operation completed successfully.\r
  @retval EFI_DEVICE_ERROR Unexpected device behavior.\r
**/\r
EFI_STATUS\r
EFIAPI\r
Tpm2Startup (\r
  IN      TPM_SU  StartupType\r
  )\r
{\r
  EFI_STATUS             Status;\r
  TPM2_STARTUP_COMMAND   Cmd;\r
  TPM2_STARTUP_RESPONSE  Res;\r
  UINT32                 ResultBufSize;\r
  TPM_RC                 ResponseCode;\r
\r
  Cmd.Header.tag         = SwapBytes16 (TPM_ST_NO_SESSIONS);\r
  Cmd.Header.paramSize   = SwapBytes32 (sizeof (Cmd));\r
  Cmd.Header.commandCode = SwapBytes32 (TPM_CC_Startup);\r
  Cmd.StartupType        = SwapBytes16 (StartupType);\r
\r
  ResultBufSize = sizeof (Res);\r
  Status        = Tpm2SubmitCommand (sizeof (Cmd), (UINT8 *)&Cmd, &ResultBufSize, (UINT8 *)&Res);\r
  if (EFI_ERROR (Status)) {\r
    return Status;\r
  }\r
\r
  ResponseCode = SwapBytes32 (Res.Header.responseCode);\r
  switch (ResponseCode) {\r
    case TPM_RC_SUCCESS:\r
      DEBUG ((DEBUG_INFO, "TPM2Startup: TPM_RC_SUCCESS\n"));\r
      return EFI_SUCCESS;\r
    case TPM_RC_INITIALIZE:\r
      // TPM_RC_INITIALIZE can be returned if Tpm2Startup is not required.\r
      DEBUG ((DEBUG_INFO, "TPM2Startup: TPM_RC_INITIALIZE\n"));\r
      return EFI_SUCCESS;\r
    default:\r
      DEBUG ((DEBUG_ERROR, "Tpm2Startup: Response Code error! 0x%08x\r\n", ResponseCode));\r
      return EFI_DEVICE_ERROR;\r
  }\r
}\r
\r
/**\r
  Send Shutdown command to TPM2.\r
\r
  @param[in] ShutdownType           TPM_SU_CLEAR or TPM_SU_STATE.\r
\r
  @retval EFI_SUCCESS      Operation completed successfully.\r
  @retval EFI_DEVICE_ERROR Unexpected device behavior.\r
**/\r
EFI_STATUS\r
EFIAPI\r
Tpm2Shutdown (\r
  IN      TPM_SU  ShutdownType\r
  )\r
{\r
  EFI_STATUS              Status;\r
  TPM2_SHUTDOWN_COMMAND   Cmd;\r
  TPM2_SHUTDOWN_RESPONSE  Res;\r
  UINT32                  ResultBufSize;\r
\r
  Cmd.Header.tag         = SwapBytes16 (TPM_ST_NO_SESSIONS);\r
  Cmd.Header.paramSize   = SwapBytes32 (sizeof (Cmd));\r
  Cmd.Header.commandCode = SwapBytes32 (TPM_CC_Shutdown);\r
  Cmd.ShutdownType       = SwapBytes16 (ShutdownType);\r
\r
  ResultBufSize = sizeof (Res);\r
  Status        = Tpm2SubmitCommand (sizeof (Cmd), (UINT8 *)&Cmd, &ResultBufSize, (UINT8 *)&Res);\r
  if (EFI_ERROR (Status)) {\r
    return Status;\r
  }\r
\r
  if (SwapBytes32 (Res.Header.responseCode) != TPM_RC_SUCCESS) {\r
    DEBUG ((DEBUG_ERROR, "Tpm2Shutdown: Response Code error! 0x%08x\r\n", SwapBytes32 (Res.Header.responseCode)));\r
    return EFI_DEVICE_ERROR;\r
  }\r
\r
  return EFI_SUCCESS;\r
}\r