1 /*
2 * Copyright (c) 2026, Arm Limited. All rights reserved.
3 *
4 * SPDX-License-Identifier: BSD-3-Clause
5 *
6 */
7
8 #include <assert.h>
9 #include <string.h>
10 #include "sfcp_psa_protocol.h"
11
12 psa_status_t
sfcp_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_psa_msg_t * msg,size_t * msg_len)13 sfcp_protocol_serialize_msg(psa_handle_t handle, int16_t type,
14 const psa_invec *in_vec, uint8_t in_len,
15 const psa_outvec *out_vec, uint8_t out_len,
16 struct serialized_psa_msg_t *msg, size_t *msg_len)
17 {
18 psa_status_t status;
19
20 assert(msg != NULL);
21 assert(msg_len != NULL);
22 assert(in_vec != NULL);
23
24 switch (msg->header.protocol_ver) {
25 #ifdef SFCP_PROTOCOL_EMBED_ENABLED
26 case SFCP_PROTOCOL_EMBED:
27 status = sfcp_protocol_embed_serialize_msg(
28 handle, type, in_vec, in_len, out_vec, out_len,
29 &msg->msg.embed, msg_len);
30 if (status != PSA_SUCCESS) {
31 return status;
32 }
33 break;
34 #endif
35 #ifdef SFCP_PROTOCOL_POINTER_ACCESS_ENABLED
36 case SFCP_PROTOCOL_POINTER_ACCESS:
37 status = sfcp_protocol_pointer_access_serialize_msg(
38 handle, type, in_vec, in_len, out_vec, out_len,
39 &msg->msg.pointer_access, msg_len);
40 if (status != PSA_SUCCESS) {
41 return status;
42 }
43 break;
44 #endif
45 default:
46 return PSA_ERROR_NOT_SUPPORTED;
47 }
48
49 *msg_len += sizeof(struct serialized_sfcp_header_t);
50
51 return PSA_SUCCESS;
52 }
53
sfcp_protocol_deserialize_reply(psa_outvec * out_vec,uint8_t out_len,psa_status_t * return_val,const struct serialized_psa_reply_t * reply,size_t reply_size)54 psa_status_t sfcp_protocol_deserialize_reply(
55 psa_outvec *out_vec, uint8_t out_len, psa_status_t *return_val,
56 const struct serialized_psa_reply_t *reply, size_t reply_size)
57 {
58 assert(reply != NULL);
59 assert(return_val != NULL);
60
61 switch (reply->header.protocol_ver) {
62 #ifdef SFCP_PROTOCOL_EMBED_ENABLED
63 case SFCP_PROTOCOL_EMBED:
64 return sfcp_protocol_embed_deserialize_reply(
65 out_vec, out_len, return_val, &reply->reply.embed,
66 reply_size);
67 #endif
68 #ifdef SFCP_PROTOCOL_POINTER_ACCESS_ENABLED
69 case SFCP_PROTOCOL_POINTER_ACCESS:
70 return sfcp_protocol_pointer_access_deserialize_reply(
71 out_vec, out_len, return_val,
72 &reply->reply.pointer_access, reply_size);
73 #endif
74 default:
75 return PSA_ERROR_NOT_SUPPORTED;
76 }
77
78 return PSA_SUCCESS;
79 }
80