/*
 * SPDX-License-Identifier: LicenseRef-Unisoc-General-1.0
 *
 * Copyright 2016-2024 Unisoc (Shanghai) Technologies Co., Ltd
 *
 * Licensed under the Unisoc General Software License, version 1.0 (the License);
 * You may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * https://www.unisoc.com/en_us/license/UNISOC_GENERAL_LICENSE_V1.0-EN_US
 *
 * Software distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OF ANY KIND, either express or implied.
 * See the Unisoc General Software License, version 1.0 for more details.
 */

#pragma once

#define ANTI_ROLLBACK_PORT "com.linux.trusty.antirollback"
#define ANTI_ROLLBACK_MAX_BUFFER_LENGTH 4096

typedef unsigned int uint32_t;
typedef unsigned short uint16_t;
typedef unsigned char uint8_t;

// Commands
enum anti_rollback_command {
    ANTI_ROLLBACK_BIT                = 1,
    ANTI_ROLLBACK_REQ_SHIFT          = 1,

    ANTI_ROLLBACK_CMD        = (0 << ANTI_ROLLBACK_REQ_SHIFT),
    ANTI_ROLLBACK_VERIFY        = (1 << ANTI_ROLLBACK_REQ_SHIFT),
};

/**
 * anti_rollback_message
 * @cmd: the command, one of keygen_command.
 * @payload: start of the serialized command specific payload
 */
typedef struct trusty_anti_rollback_message {
    uint32_t cmd;
    uint8_t  payload[0];
} anti_rollback_message;


int trusty_anti_rollback_connect(void);
int trusty_anti_rollback_call(uint32_t cmd, void *in, uint32_t in_size, uint8_t *out,
         uint32_t *out_size);
void trusty_anti_rollback_disconnect(void);
int update_rootfs_verison(uint8_t *data, uint32_t *size, uint8_t* out);
int verify_data(uint8_t *data, uint32_t size, uint8_t* out, uint32_t *out_size);