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/*
* Copyright (c) 2022, Arm Limited. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*
*/
#include <assert.h>
#include <common/debug.h>
#include "rss_comms_protocol.h"
psa_status_t rss_protocol_serialize_msg(psa_handle_t handle,
int16_t type,
const psa_invec *in_vec,
uint8_t in_len,
const psa_outvec *out_vec,
uint8_t out_len,
struct serialized_rss_comms_msg_t *msg,
size_t *msg_len)
{
psa_status_t status;
assert(msg != NULL);
assert(msg_len != NULL);
assert(in_vec != NULL);
switch (msg->header.protocol_ver) {
case RSS_COMMS_PROTOCOL_EMBED:
status = rss_protocol_embed_serialize_msg(handle, type, in_vec, in_len, out_vec,
out_len, &msg->msg.embed, msg_len);
if (status != PSA_SUCCESS) {
return status;
}
break;
case RSS_COMMS_PROTOCOL_POINTER_ACCESS:
status = rss_protocol_pointer_access_serialize_msg(handle, type, in_vec, in_len,
out_vec, out_len,
&msg->msg.pointer_access,
msg_len);
if (status != PSA_SUCCESS) {
return status;
}
break;
default:
return PSA_ERROR_NOT_SUPPORTED;
}
*msg_len += sizeof(struct serialized_rss_comms_header_t);
return PSA_SUCCESS;
}
psa_status_t rss_protocol_deserialize_reply(psa_outvec *out_vec,
uint8_t out_len,
psa_status_t *return_val,
const struct serialized_rss_comms_reply_t *reply,
size_t reply_size)
{
assert(reply != NULL);
assert(return_val != NULL);
switch (reply->header.protocol_ver) {
case RSS_COMMS_PROTOCOL_EMBED:
return rss_protocol_embed_deserialize_reply(out_vec, out_len, return_val,
&reply->reply.embed, reply_size);
case RSS_COMMS_PROTOCOL_POINTER_ACCESS:
return rss_protocol_pointer_access_deserialize_reply(out_vec, out_len, return_val,
&reply->reply.pointer_access,
reply_size);
default:
return PSA_ERROR_NOT_SUPPORTED;
}
return PSA_SUCCESS;
}
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