blob: 8b48ae3cd67456dbc5cdc037473b8320e09c72f3 [file] [log] [blame]
/*
* 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 8
/*
* 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 16384
/**
* 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