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//**********************************************************************;
// Copyright (c) 2018, Intel Corporation
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
// THE POSSIBILITY OF SUCH DAMAGE.
//**********************************************************************;
#include <tss2/tss2_sys.h>
#ifndef LIB_TPM2_TCTI_LDR_H_
#define LIB_TPM2_TCTI_LDR_H_
/**
* Loads a TCTI from a friendly name, library name, or path.
* For example
* friendly: path = tabrmd
* library name: path = libtss2-tcti-mssim.so
* full path: path = /home/user/lib/libtss2-tcti-custom.so
* @param path
* The path/library to load.
* @param opts
* The tcti option configs.
* @return
* A tcti context on success or NULL on failure.
*/
TSS2_TCTI_CONTEXT *tpm2_tcti_ldr_load(const char *path, const char *opts);
/**
* Returns the loaded TCTIs information structure,
* which contains the initialization routine, description
* and help string amongst other things.
* @return
* NULL if no TCTI is loaded, else the info structure pointer.
*/
const TSS2_TCTI_INFO *tpm2_tcti_ldr_getinfo(void);
/**
* Given a tcti name, like mssim, tells you if the
* library is present using dlopen(3).
* @param name
* The friendly name of the tcti.
* @return
* True if present, false otherwise.
*/
bool tpm2_tcti_ldr_is_tcti_present(const char *name);
/**
* Unloads the tcti loaded via tpm2_tcti_ldr_load();
*/
void tpm2_tcti_ldr_unload(void);
#endif /* LIB_TPM2_TCTI_LDR_H_ */
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