1 /*
2  * Copyright (c) 2022, Arm Limited. All rights reserved.
3  *
4  * SPDX-License-Identifier: BSD-3-Clause
5  *
6  */
7 
8 #ifndef __RSS_COMMS_PROTOCOL_EMBED_H__
9 #define __RSS_COMMS_PROTOCOL_EMBED_H__
10 
11 #include <cdefs.h>
12 
13 #include <psa/client.h>
14 
15 #include <platform_def.h>
16 
17 
18 
19 struct __packed rss_embed_msg_t {
20 	psa_handle_t handle;
21 	uint32_t ctrl_param; /* type, in_len, out_len */
22 	uint16_t io_size[PSA_MAX_IOVEC];
23 	uint8_t trailer[PLAT_RSS_COMMS_PAYLOAD_MAX_SIZE];
24 };
25 
26 struct __packed rss_embed_reply_t {
27 	int32_t return_val;
28 	uint16_t out_size[PSA_MAX_IOVEC];
29 	uint8_t trailer[PLAT_RSS_COMMS_PAYLOAD_MAX_SIZE];
30 };
31 
32 psa_status_t rss_protocol_embed_serialize_msg(psa_handle_t handle,
33 					      int16_t type,
34 					      const psa_invec *in_vec,
35 					      uint8_t in_len,
36 					      const psa_outvec *out_vec,
37 					      uint8_t out_len,
38 					      struct rss_embed_msg_t *msg,
39 					      size_t *msg_len);
40 
41 psa_status_t rss_protocol_embed_deserialize_reply(psa_outvec *out_vec,
42 						  uint8_t out_len,
43 						  psa_status_t *return_val,
44 						  const struct rss_embed_reply_t *reply,
45 						  size_t reply_size);
46 
47 #endif /* __RSS_COMMS_PROTOCOL_EMBED_H__ */
48