interface/src/tfm_tz_psa_ns_api.c

/*
 * SPDX-FileCopyrightText: Copyright The TrustedFirmware-M Contributors
 *
 * SPDX-License-Identifier: BSD-3-Clause
 *
 */

#ifdef TFM_HYBRID_PLATFORM_API_BROKER
#include "psa/api_broker.h"
#endif
#include "psa/client.h"
#include "tfm_ns_interface.h"
#include "tfm_psa_call_pack.h"

/*
 **** API functions for TrustZone Interface ****
 *
 * Thir names are resolved in the api_broker header file.
 *
 * The client always calls the APIs with the standard names.
 */

uint32_t PSA_FRAMEWORK_VERSION_TZ(void)
{
    return tfm_ns_interface_dispatch(
                                (veneer_fn)tfm_psa_framework_version_veneer,
                                0,
                                0,
                                0,
                                0);
}

uint32_t PSA_VERSION_TZ(uint32_t sid)
{
    return tfm_ns_interface_dispatch(
                                (veneer_fn)tfm_psa_version_veneer,
                                sid,
                                0,
                                0,
                                0);
}

psa_status_t PSA_CALL_TZ(psa_handle_t handle, int32_t type,
                      const psa_invec *in_vec,
                      size_t in_len,
                      psa_outvec *out_vec,
                      size_t out_len)
{
    if ((type    > PSA_CALL_TYPE_MAX) ||
        (type    < PSA_CALL_TYPE_MIN) ||
        (in_len  > PSA_MAX_IOVEC)     ||
        (out_len > PSA_MAX_IOVEC)) {
        return PSA_ERROR_PROGRAMMER_ERROR;
    }

    return tfm_ns_interface_dispatch(
                                (veneer_fn)tfm_psa_call_veneer,
                                (uint32_t)handle,
                                PARAM_PACK(type, in_len, out_len),
                                (uint32_t)in_vec,
                                (uint32_t)out_vec);
}

psa_handle_t PSA_CONNECT_TZ(uint32_t sid, uint32_t version)
{
    return tfm_ns_interface_dispatch((veneer_fn)tfm_psa_connect_veneer, sid, version, 0, 0);
}

void PSA_CLOSE_TZ(psa_handle_t handle)
{
    (void)tfm_ns_interface_dispatch((veneer_fn)tfm_psa_close_veneer, (uint32_t)handle, 0, 0, 0);
}