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/* SPDX-License-Identifier: BSD-3-Clause */
#ifndef TCG2_TSS_MARSHALING_H_
#define TCG2_TSS_MARSHALING_H_
#include <commonlib/iobuf.h>
#include "tss_structures.h"
/* The below functions are used to serialize/deserialize TPM2 commands. */
/**
* tpm_marshal_command
*
* Given a structure containing a TPM2 command, serialize the structure for
* sending it to the TPM.
*
* @command: code of the TPM2 command to marshal
* @tpm_command_body: a pointer to the command specific structure
* @ob: output buffer where command is marshaled to
*
* Returns 0 on success or -1 on error.
*
*/
int tpm_marshal_command(TPM_CC command, const void *tpm_command_body,
struct obuf *ob);
/**
* tpm_unmarshal_response
*
* Given a buffer received from the TPM in response to a certain command,
* deserialize the buffer into the expeced response structure.
*
* struct tpm2_response is a union of all possible responses.
*
* @command: code of the TPM2 command for which a response is unmarshaled
* @ib: input buffer containing the serialized response.
*
* Returns a pointer to the deserialized response or NULL in case of
* unmarshaling problems.
*/
struct tpm2_response *tpm_unmarshal_response(TPM_CC command, struct ibuf *ib);
#endif // TCG2_TSS_MARSHALING_H_
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