1*95511698STamas Ban /* 2*95511698STamas Ban * Copyright (c) 2022, Arm Limited. All rights reserved. 3*95511698STamas Ban * 4*95511698STamas Ban * SPDX-License-Identifier: BSD-3-Clause 5*95511698STamas Ban * 6*95511698STamas Ban */ 7*95511698STamas Ban #include <assert.h> 8*95511698STamas Ban 9*95511698STamas Ban #include <common/debug.h> 10*95511698STamas Ban #include "rss_comms_protocol.h" 11*95511698STamas Ban 12*95511698STamas Ban psa_status_t rss_protocol_serialize_msg(psa_handle_t handle, 13*95511698STamas Ban int16_t type, 14*95511698STamas Ban const psa_invec *in_vec, 15*95511698STamas Ban uint8_t in_len, 16*95511698STamas Ban const psa_outvec *out_vec, 17*95511698STamas Ban uint8_t out_len, 18*95511698STamas Ban struct serialized_rss_comms_msg_t *msg, 19*95511698STamas Ban size_t *msg_len) 20*95511698STamas Ban { 21*95511698STamas Ban psa_status_t status; 22*95511698STamas Ban 23*95511698STamas Ban assert(msg != NULL); 24*95511698STamas Ban assert(msg_len != NULL); 25*95511698STamas Ban assert(in_vec != NULL); 26*95511698STamas Ban 27*95511698STamas Ban switch (msg->header.protocol_ver) { 28*95511698STamas Ban case RSS_COMMS_PROTOCOL_EMBED: 29*95511698STamas Ban status = rss_protocol_embed_serialize_msg(handle, type, in_vec, in_len, out_vec, 30*95511698STamas Ban out_len, &msg->msg.embed, msg_len); 31*95511698STamas Ban if (status != PSA_SUCCESS) { 32*95511698STamas Ban return status; 33*95511698STamas Ban } 34*95511698STamas Ban break; 35*95511698STamas Ban case RSS_COMMS_PROTOCOL_POINTER_ACCESS: 36*95511698STamas Ban status = rss_protocol_pointer_access_serialize_msg(handle, type, in_vec, in_len, 37*95511698STamas Ban out_vec, out_len, 38*95511698STamas Ban &msg->msg.pointer_access, 39*95511698STamas Ban msg_len); 40*95511698STamas Ban if (status != PSA_SUCCESS) { 41*95511698STamas Ban return status; 42*95511698STamas Ban } 43*95511698STamas Ban break; 44*95511698STamas Ban default: 45*95511698STamas Ban return PSA_ERROR_NOT_SUPPORTED; 46*95511698STamas Ban } 47*95511698STamas Ban 48*95511698STamas Ban *msg_len += sizeof(struct serialized_rss_comms_header_t); 49*95511698STamas Ban 50*95511698STamas Ban return PSA_SUCCESS; 51*95511698STamas Ban } 52*95511698STamas Ban 53*95511698STamas Ban psa_status_t rss_protocol_deserialize_reply(psa_outvec *out_vec, 54*95511698STamas Ban uint8_t out_len, 55*95511698STamas Ban psa_status_t *return_val, 56*95511698STamas Ban const struct serialized_rss_comms_reply_t *reply, 57*95511698STamas Ban size_t reply_size) 58*95511698STamas Ban { 59*95511698STamas Ban assert(reply != NULL); 60*95511698STamas Ban assert(return_val != NULL); 61*95511698STamas Ban 62*95511698STamas Ban switch (reply->header.protocol_ver) { 63*95511698STamas Ban case RSS_COMMS_PROTOCOL_EMBED: 64*95511698STamas Ban return rss_protocol_embed_deserialize_reply(out_vec, out_len, return_val, 65*95511698STamas Ban &reply->reply.embed, reply_size); 66*95511698STamas Ban case RSS_COMMS_PROTOCOL_POINTER_ACCESS: 67*95511698STamas Ban return rss_protocol_pointer_access_deserialize_reply(out_vec, out_len, return_val, 68*95511698STamas Ban &reply->reply.pointer_access, 69*95511698STamas Ban reply_size); 70*95511698STamas Ban default: 71*95511698STamas Ban return PSA_ERROR_NOT_SUPPORTED; 72*95511698STamas Ban } 73*95511698STamas Ban 74*95511698STamas Ban return PSA_SUCCESS; 75*95511698STamas Ban } 76