| /* |
| * Copyright (C) 2021 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #pragma once |
| |
| #include <stdint.h> |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| #define ACVP_PORT "com.android.trusty.acvp" |
| |
| /* |
| * Maximum number of arguments |
| */ |
| #define ACVP_MAX_NUM_ARGUMENTS 9 |
| |
| /* |
| * Maximum length of an algorithm name |
| */ |
| #define ACVP_MAX_NAME_LENGTH 30 |
| |
| /* |
| * Maximum length of an ACVP request message |
| */ |
| #define ACVP_MAX_MESSAGE_LENGTH sizeof(struct acvp_req) |
| |
| /* |
| * Minimum length of the shared memory buffer |
| * |
| * This must be at least as long as the longest reply from the ACVP service |
| * (currently the reply from getConfig()). |
| */ |
| #define ACVP_MIN_SHARED_MEMORY 32768 |
| |
| /** |
| * acvp_req - Request for the Trusty ACVP app |
| * @num_args: Number of acvp_arg structures following this struct |
| * @buffer_size: Total size of shared memory buffer |
| * @lengths: Length of each argument in the shared memory buffer |
| * |
| * @num_args copies of the acvp_arg struct follow this structure. |
| */ |
| struct acvp_req { |
| uint32_t num_args; |
| uint32_t buffer_size; |
| uint32_t lengths[ACVP_MAX_NUM_ARGUMENTS]; |
| }; |
| |
| /** |
| * acvp_resp - Response to a ACVP request |
| * |
| * @num_spans: Number of response sections |
| * @lengths: Length of each response section |
| */ |
| struct acvp_resp { |
| uint32_t num_spans; |
| uint32_t lengths[ACVP_MAX_NUM_ARGUMENTS]; |
| }; |
| |
| #ifdef __cplusplus |
| } // extern "C" |
| #endif |