mctp.h

/*
 * 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.
 *
 * Create: 2025-10-16
 */
 
#ifndef MCTP_H
#define MCTP_H
#include "driver.h"
 
namespace DRIVER_PCIEVDM {
 
struct MctpPcieMsg {
    uint8_t routing : 3;
    uint8_t type : 2;
    uint8_t fmt : 2;
    uint8_t res1 : 1;
 
    uint8_t res3 : 4;
    uint8_t tc : 3;
    uint8_t res2 : 1;
 
    uint8_t len_h : 2;
    uint8_t res4 : 2;
    uint8_t attr : 2;
    uint8_t ep : 1;
    uint8_t td : 1;
 
    uint8_t len_l;
 
    uint8_t req_id;
    
    uint8_t vdm_code : 4;
    uint8_t pad : 2;
    uint8_t res5 : 2;
 
    uint8_t msgcode;
 
    uint8_t target_id;
    
    uint8_t vendor_id;
};
 
 
class PcieVdm : public IDriver  {
public:
    virtual int32_t write(int32_t index, const std::string_view_t &data);
 
    virtual string_t read(int32_t index, size_t len);
 
    virtual void reset(int32_t index);
};
}  // namespace bcal
 
#endif