/*
 * Copyright (c) 2016, Linaro Limited
 * Copyright (c) 2014, STMicroelectronics International N.V.
 * 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.
 */
#ifndef TEE_SUPPLICANT_H
#define TEE_SUPPLICANT_H

#include <stdbool.h>
#include <pthread.h>

/* Helpers to access memref parts of a struct tee_ioctl_param */
#define MEMREF_SHM_ID(p)	((p)->c)
#define MEMREF_SHM_OFFS(p)	((p)->a)
#define MEMREF_SIZE(p)		((p)->b)

struct tee_ioctl_param;

/* Global tee-supplicant parameters */
struct tee_supplicant_params {
    const char *ta_dir;
    const char *plugin_load_path;
    const char *fs_parent_path;
    const char *rpmb_cid;
};

extern struct tee_supplicant_params supplicant_params;

bool tee_supp_param_is_memref(struct tee_ioctl_param *param);
bool tee_supp_param_is_value(struct tee_ioctl_param *param);
void *tee_supp_param_to_va(struct tee_ioctl_param *param);

void tee_supp_mutex_lock(pthread_mutex_t *mu);
void tee_supp_mutex_unlock(pthread_mutex_t *mu);

#endif /*TEE_SUPPLICANT_H*/
