1 /* 2 * Copyright (c) 2021 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef FLASHING_BLOCKDEVICE_H 17 #define FLASHING_BLOCKDEVICE_H 18 #include <cstdlib> 19 #include <memory> 20 #include "flash_utils.h" 21 22 namespace flashd { 23 enum class DeviceType { 24 DEVICE_UNKNOWN = 0, 25 DEVICE_SCSI = 1, 26 DEVICE_EMMC = 2, 27 }; 28 29 class BlockDevice { 30 public: BlockDevice(DeviceType type,const std::string & devPath)31 BlockDevice(DeviceType type, const std::string &devPath) : devPath_(devPath), type_(type) {} ~BlockDevice()32 ~BlockDevice() {}; 33 34 int Load(); 35 const std::string GetDeviceName(); GetDeviceType()36 DeviceType GetDeviceType() 37 { 38 return type_; 39 } 40 private: 41 std::string ReadDeviceSysInfo(const std::string &type); 42 43 std::string devPath_; 44 size_t devSize_ = 0; 45 size_t sectorSize_ = 0; // logical sector size 46 size_t physSectorSize_ = 0; // physical sector size 47 DeviceType type_ = DeviceType::DEVICE_UNKNOWN; 48 }; 49 using BlockDevicePtr = BlockDevice *; 50 } 51 #endif // FLASHING_BLOCKDEVICE_H