| // Copyright 2020 The Fuchsia Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef SRC_STORAGE_VOLUME_IMAGE_FVM_FVM_SPARSE_IMAGE_READER_H_ |
| #define SRC_STORAGE_VOLUME_IMAGE_FVM_FVM_SPARSE_IMAGE_READER_H_ |
| |
| #include <lib/fit/result.h> |
| |
| #include <optional> |
| #include <string> |
| |
| #include "src/storage/volume_image/partition.h" |
| #include "src/storage/volume_image/utils/reader.h" |
| |
| namespace storage::volume_image { |
| |
| // Opens an existing FVM sparse image and exposes a partition that looks just as it would on the |
| // device i.e. if you were to serialize it to a block device, FVM would recognise it. At this time |
| // the reader embedded within the partition can only support sequential reads (which is all we need |
| // to support at this time). |
| fit::result<Partition, std::string> OpenSparseImage(Reader& base_reader, |
| std::optional<uint64_t> max_disk_size); |
| |
| } // namespace storage::volume_image |
| |
| #endif // SRC_STORAGE_VOLUME_IMAGE_FVM_FVM_SPARSE_IMAGE_READER_H_ |