edma.h

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/*
 * Copyright (c) Huawei Technologies Co., Ltd. 2025. All rights reserved.
 *
 * this file licensed under the Mulan PSL v2.
 * You can use this software according to the terms and conditions of the Mulan PSL v2.
 * You may obtain a copy of Mulan PSL v2 at:
 * http://license.coscl.org.cn/MulanPSL2
 *
 * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY OR FIT FOR A PARTICULAR
 * PURPOSE.
 * See the Mulan PSL v2 for more details.
 */
#ifndef DRIVER_EDMA_H
#define DRIVER_EDMA_H
#include "driver.h"
 
namespace DRIVER_EDMA {
 
using namespace bcal;
 
 
struct EdmaMsg {
    uint8_t msg_type; 
    uint8_t len; 
    uint8_t lun:2; 
    uint8_t netfn:6; 
    uint8_t seq; 
    uint8_t cmd; 
    uint8_t data[1]; 
};
 
class Edma {
public:
    virtual uint8_t poll() = 0;
    virtual string_t read(int32_t index, uint32_t max_len, uint32_t timeout) = 0;
    virtual void write(int32_t index, const string_view_t &val, uint32_t timeout) = 0;
};
}  // namespace
#endif