/********************************************************************************/
/*                                                                              */
/*                              Libtpms IO Init                                 */
/*                           Written by Ken Goldman, Stefan Berger              */
/*                     IBM Thomas J. Watson Research Center                     */
/*            $Id: tpm_io.c 4564 2011-04-13 19:33:38Z stefanb $                 */
/*                                                                              */
/* (c) Copyright IBM Corporation 2006, 2010.					*/
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/********************************************************************************/

#include "tpm_debug.h"
#include "tpm_error.h"
#include "tpm_platform.h"
#include "tpm_types.h"

#include "tpm_library_intern.h"

/* header for this file */
#include "tpm_io.h"

/* TPM_IO_Init initializes the TPM to host interface.

   This is the Unix platform dependent socket version.
*/

TPM_RESULT TPM_IO_Init(void)
{
    TPM_RESULT          rc = 0;
    struct libtpms_callbacks *cbs = TPMLIB_GetCallbacks();

    /* call user-provided function if available */
    if (cbs->tpm_io_init) {
        rc = cbs->tpm_io_init();
        return rc;
    } else {
        /* Below code would start a TCP server socket; we don't want this
           but rather expect all commands via TPMLIB_Process() to be sent
           to the TPM. */
        return TPM_SUCCESS;
    }
}