[intel-tdx:guest-tpm 5/6] drivers/char/tpm/tpm_tdx.c:175: warning: Function parameter or struct member 'tdvmcall_status' not described in 'tdx_tpm_msg_resp'

[intel-tdx:guest-tpm 5/6] drivers/char/tpm/tpm_tdx.c:175: warning: Function parameter or struct member 'tdvmcall_status' not described in 'tdx_tpm_msg_resp'

[kernel test robot]

tree:   https://github.com/intel/tdx.git guest-tpm
head:   479fce1c3eaa87d98d94d78c485d9a6f0c8dd1fa
commit: 7c617d6ef79632221c7130359d05912e2405216a [5/6] tpm: Add vTPM TDX support
config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20240127/202401270147.6zANIFto-lkp@intel.com/config)
compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240127/202401270147.6zANIFto-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202401270147.6zANIFto-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/char/tpm/tpm_tdx.c:175: warning: Function parameter or struct member 'tdvmcall_status' not described in 'tdx_tpm_msg_resp'
>> drivers/char/tpm/tpm_tdx.c:175: warning: Function parameter or struct member 'service_cmd_status' not described in 'tdx_tpm_msg_resp'
>> drivers/char/tpm/tpm_tdx.c:175: warning: Function parameter or struct member 'rsvd' not described in 'tdx_tpm_msg_resp'
>> drivers/char/tpm/tpm_tdx.c:175: warning: Excess struct member 'rsvd1' description in 'tdx_tpm_msg_resp'
>> drivers/char/tpm/tpm_tdx.c:175: warning: Excess struct member 'rsvd2' description in 'tdx_tpm_msg_resp'


vim +175 drivers/char/tpm/tpm_tdx.c

   141	
   142	/**
   143	 * struct tdx_tpm_msg_resp - TDX TPM message response format.
   144	 * @guid: A unique GUID to identify the TDVMCALL service.
   145	 * @buf_len: Length of the response buffer.
   146	 * @rsvd1: Reserved for future use.
   147	 * @service_ver: Version of TPM TDVMCALL command.
   148	 * @service_cmd: TPM TDVMCALL command
   149	 * 		 TDVMCALL_TPM_SEND_MSG - 0x01
   150	 * 		 TDVMCALL_TPM_RECV_MSG - 0x02
   151	 * @rsvd2: Reserved for future use.
   152	 * @spdm: SPDM Message header.
   153	 * @aad: SPDM AAD data.
   154	 * @app_data: SPDM application data.
   155	 *
   156	 * For more details, refer to TDX vTPM specification, r1.0, section titled
   157	 * "SPDM Secure Session Message Format".
   158	 */
   159	struct tdx_tpm_msg_resp {
   160		/* TDVMCALL service response header */
   161		u8 guid[16];
   162		u32 buf_len;
   163		u32 tdvmcall_status;
   164	
   165		/* TDVMCALL TPM Command Buffer response */
   166		u8 service_ver;
   167		u8 service_cmd;
   168		u8 service_cmd_status;
   169		u8 rsvd;
   170	
   171		/* SPDM Message */
   172		struct spdm_msg_hdr spdm;
   173		struct spdm_aad aad;
   174		struct spdm_data app_data;
 > 175	} __packed;
   176	

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