blob: 90c8f786f739d995d9d74b6261bc8fd02365ab07 [file] [log] [blame]
// 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.
#include <cstdint>
#include <optional>
#include "src/storage/volume_image/options.h"
namespace storage::volume_image {
// Sets the desired properties of the expected FVM.
struct FvmOptions {
// If set, fvm creation should fail if the size exceeds this hard limit.
std::optional<uint64_t> target_volume_size = std::nullopt;
// If set, the fvm will preallocate enough metadata space to address a volume of |max_volume_size|
// bytes. This allows the underlying partition to be extended. Because of this, |max_volume_size|
// should always be greater than |target_volume_size| if set.
std::optional<uint64_t> max_volume_size = std::nullopt;
// Slice size used for the fvm image.
// Must be non-zero.
uint64_t slice_size = 0;
// The compression scheme used for partition data in the generated image.
CompressionOptions compression;
} // namespace storage::volume_image