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https://github.com/ARM-software/arm-trusted-firmware.git
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70247ddbbd
Adding PLAT_* prefix to indicate that the platform needs to provide this definition. Signed-off-by: Tamas Ban <tamas.ban@arm.com> Change-Id: I0bd02be405fd8b1e625bd2b82647ebb2b58265fc
58 lines
1.5 KiB
C
58 lines
1.5 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 __RSS_COMMS_PROTOCOL_EMBED_H__
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#define __RSS_COMMS_PROTOCOL_EMBED_H__
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#include <cdefs.h>
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#include <initial_attestation.h>
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#include <psa/client.h>
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#include <platform_def.h>
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/*
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* In the current implementation the RoT Service request that requires the
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* biggest message buffer is the RSS_ATTEST_GET_TOKEN. The maximum required
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* buffer size is calculated based on the platform-specific needs of
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* this request.
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*/
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#ifndef RSS_COMMS_PAYLOAD_MAX_SIZE
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#define RSS_COMMS_PAYLOAD_MAX_SIZE (PSA_INITIAL_ATTEST_CHALLENGE_SIZE_64 \
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+ PLAT_ATTEST_TOKEN_MAX_SIZE)
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#endif
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struct __packed rss_embed_msg_t {
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psa_handle_t handle;
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uint32_t ctrl_param; /* type, in_len, out_len */
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uint16_t io_size[PSA_MAX_IOVEC];
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uint8_t trailer[PLAT_RSS_COMMS_PAYLOAD_MAX_SIZE];
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};
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struct __packed rss_embed_reply_t {
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int32_t return_val;
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uint16_t out_size[PSA_MAX_IOVEC];
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uint8_t trailer[PLAT_RSS_COMMS_PAYLOAD_MAX_SIZE];
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};
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psa_status_t rss_protocol_embed_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 rss_embed_msg_t *msg,
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size_t *msg_len);
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psa_status_t rss_protocol_embed_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 rss_embed_reply_t *reply,
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size_t reply_size);
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#endif /* __RSS_COMMS_PROTOCOL_EMBED_H__ */
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