mirror of
https://github.com/ARM-software/arm-trusted-firmware.git
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e249e56954
Changes all occurrences of "RSS" and "rss" in the code and build files to "RSE" and "rse". Signed-off-by: Tamas Ban <tamas.ban@arm.com> Change-Id: I9f72ad36ec233d7eaac3ce9e2f2b010130e1fa94
67 lines
1.8 KiB
C
67 lines
1.8 KiB
C
/*
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* Copyright (c) 2022, Arm Limited. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*
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*/
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#ifndef __RSE_COMMS_PROTOCOL_H__
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#define __RSE_COMMS_PROTOCOL_H__
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#include <cdefs.h>
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#include <stdint.h>
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#include <psa/client.h>
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#include "rse_comms_protocol_embed.h"
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#include "rse_comms_protocol_pointer_access.h"
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enum rse_comms_protocol_version_t {
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RSE_COMMS_PROTOCOL_EMBED = 0,
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RSE_COMMS_PROTOCOL_POINTER_ACCESS = 1,
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};
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struct __packed serialized_rse_comms_header_t {
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uint8_t protocol_ver;
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uint8_t seq_num;
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uint16_t client_id;
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};
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/* MHU message passed from Host to RSE to deliver a PSA client call */
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struct __packed serialized_rse_comms_msg_t {
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struct serialized_rse_comms_header_t header;
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union __packed {
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struct rse_embed_msg_t embed;
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struct rse_pointer_access_msg_t pointer_access;
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} msg;
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};
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/* MHU reply message to hold the PSA client reply result returned by RSE */
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struct __packed serialized_rse_comms_reply_t {
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struct serialized_rse_comms_header_t header;
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union __packed {
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struct rse_embed_reply_t embed;
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struct rse_pointer_access_reply_t pointer_access;
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} reply;
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};
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/* in_len and out_len are uint8_ts, therefore if there are more than 255 iovecs
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* an error may occur.
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*/
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CASSERT(PSA_MAX_IOVEC <= UINT8_MAX, assert_rse_comms_max_iovec_too_large);
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psa_status_t rse_protocol_serialize_msg(psa_handle_t handle,
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int16_t type,
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const psa_invec *in_vec,
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uint8_t in_len,
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const psa_outvec *out_vec,
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uint8_t out_len,
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struct serialized_rse_comms_msg_t *msg,
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size_t *msg_len);
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psa_status_t rse_protocol_deserialize_reply(psa_outvec *out_vec,
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uint8_t out_len,
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psa_status_t *return_val,
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const struct serialized_rse_comms_reply_t *reply,
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size_t reply_size);
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#endif /* __RSE_COMMS_PROTOCOL_H__ */
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