| /* |
| * Copyright (c) 2022, Arm Limited. All rights reserved. |
| * |
| * SPDX-License-Identifier: BSD-3-Clause |
| * |
| */ |
| #include <assert.h> |
| |
| #include "rss_comms_protocol_pointer_access.h" |
| |
| #define TYPE_OFFSET (16U) |
| #define TYPE_MASK (0xFFFFUL << TYPE_OFFSET) |
| #define IN_LEN_OFFSET (8U) |
| #define IN_LEN_MASK (0xFFUL << IN_LEN_OFFSET) |
| #define OUT_LEN_OFFSET (0U) |
| #define OUT_LEN_MASK (0xFFUL << OUT_LEN_OFFSET) |
| |
| #define PARAM_PACK(type, in_len, out_len) \ |
| (((((uint32_t)type) << TYPE_OFFSET) & TYPE_MASK) | \ |
| ((((uint32_t)in_len) << IN_LEN_OFFSET) & IN_LEN_MASK) | \ |
| ((((uint32_t)out_len) << OUT_LEN_OFFSET) & OUT_LEN_MASK)) |
| |
| psa_status_t rss_protocol_pointer_access_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 rss_pointer_access_msg_t *msg, |
| size_t *msg_len) |
| { |
| unsigned int i; |
| |
| assert(msg != NULL); |
| assert(msg_len != NULL); |
| assert(in_vec != NULL); |
| |
| msg->ctrl_param = PARAM_PACK(type, in_len, out_len); |
| msg->handle = handle; |
| |
| /* Fill msg iovec lengths */ |
| for (i = 0U; i < in_len; ++i) { |
| msg->io_sizes[i] = in_vec[i].len; |
| msg->host_ptrs[i] = (uint64_t)in_vec[i].base; |
| } |
| for (i = 0U; i < out_len; ++i) { |
| msg->io_sizes[in_len + i] = out_vec[i].len; |
| msg->host_ptrs[in_len + i] = (uint64_t)out_vec[i].base; |
| } |
| |
| *msg_len = sizeof(*msg); |
| |
| return PSA_SUCCESS; |
| } |
| |
| psa_status_t rss_protocol_pointer_access_deserialize_reply(psa_outvec *out_vec, |
| uint8_t out_len, |
| psa_status_t *return_val, |
| const struct rss_pointer_access_reply_t *reply, |
| size_t reply_size) |
| { |
| unsigned int i; |
| |
| assert(reply != NULL); |
| assert(return_val != NULL); |
| |
| for (i = 0U; i < out_len; ++i) { |
| out_vec[i].len = reply->out_sizes[i]; |
| } |
| |
| *return_val = reply->return_val; |
| |
| return PSA_SUCCESS; |
| } |