| /* |
| * Copyright (C) 2018 The Android Open Source Project |
| * |
| * Permission is hereby granted, free of charge, to any person |
| * obtaining a copy of this software and associated documentation |
| * files (the "Software"), to deal in the Software without |
| * restriction, including without limitation the rights to use, copy, |
| * modify, merge, publish, distribute, sublicense, and/or sell copies |
| * of the Software, and to permit persons to whom the Software is |
| * furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be |
| * included in all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
| * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
| * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| * SOFTWARE. |
| */ |
| |
| #ifndef __CORE_FS_MGR_DM_LINEAR_H |
| #define __CORE_FS_MGR_DM_LINEAR_H |
| |
| #include <stdint.h> |
| |
| #include <memory> |
| #include <string> |
| #include <vector> |
| |
| #include <libdm/dm.h> |
| #include <liblp/metadata_format.h> |
| |
| namespace android { |
| namespace fs_mgr { |
| |
| struct LogicalPartition { |
| std::string name; |
| std::vector<android::dm::DmTargetLinear> extents; |
| }; |
| |
| struct LogicalPartitionTable { |
| // List of partitions in the partition table. |
| std::vector<LogicalPartition> partitions; |
| }; |
| |
| // Load a dm-linear table from the device tree if one is available; otherwise, |
| // return null. |
| std::unique_ptr<LogicalPartitionTable> LoadPartitionsFromDeviceTree(); |
| |
| // Create device-mapper devices for the given partition table. |
| // |
| // On success, two devices nodes will be created for each partition, both |
| // pointing to the same device: |
| // /dev/block/dm-<N> where N is a sequential ID assigned by device-mapper. |
| // /dev/block/dm-<name> where |name| is the partition name. |
| // |
| bool CreateLogicalPartitions(const LogicalPartitionTable& table); |
| bool CreateLogicalPartitions(const std::string& block_device); |
| |
| } // namespace fs_mgr |
| } // namespace android |
| |
| #endif // __CORE_FS_MGR_DM_LINEAR_H |