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/*
* Licensed Materials - Property of IBM
*
* trousers - An open source TCG Software Stack
*
* (C) Copyright International Business Machines Corp. 2004-2006
*
*/
#include <stdlib.h>
#include <stdio.h>
#include <syslog.h>
#include <signal.h>
#include <string.h>
#include <errno.h>
#include <unistd.h>
#include "trousers/tss.h"
#include "tcs_tsp.h"
#include "tcs_utils.h"
#include "tddl.h"
#include "req_mgr.h"
#include "tcslog.h"
static struct tpm_req_mgr *trm;
#ifdef TSS_DEBUG
#define TSS_TPM_DEBUG
#endif
TSS_RESULT
req_mgr_submit_req(BYTE *blob)
{
TSS_RESULT result;
BYTE loc_buf[TSS_TPM_TXBLOB_SIZE];
UINT32 size = TSS_TPM_TXBLOB_SIZE;
UINT32 retry = TSS_REQ_MGR_MAX_RETRIES;
MUTEX_LOCK(trm->queue_lock);
#ifdef TSS_TPM_DEBUG
LogBlobData("To TPM:", Decode_UINT32(&blob[2]), blob);
#endif
do {
result = Tddli_TransmitData(blob, Decode_UINT32(&blob[2]), loc_buf, &size);
} while (!result && (Decode_UINT32(&loc_buf[6]) == TCPA_E_RETRY) && --retry);
if (!result)
memcpy(blob, loc_buf, Decode_UINT32(&loc_buf[2]));
#ifdef TSS_TPM_DEBUG
LogBlobData("From TPM:", size, loc_buf);
#endif
MUTEX_UNLOCK(trm->queue_lock);
return result;
}
TSS_RESULT
req_mgr_init()
{
if ((trm = calloc(1, sizeof(struct tpm_req_mgr))) == NULL) {
LogError("malloc of %zd bytes failed.", sizeof(struct tpm_req_mgr));
return TSS_E_OUTOFMEMORY;
}
MUTEX_INIT(trm->queue_lock);
return Tddli_Open();
}
TSS_RESULT
req_mgr_final()
{
free(trm);
return Tddli_Close();
}
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