zircon/system/fidl/fuchsia-blobfs/blobfs.fidl

// Copyright 2019 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.

library fuchsia.blobfs;

using zx;

// Describes contiguous run of allocated blocks.
struct BlockRegion {
    uint64 offset;
    uint64 length;
};

[Layout="Simple"]
interface Blobfs {
    // Retrieve information about allocated regions on the filesystem.
    GetAllocatedRegions() -> (zx.status status, handle<vmo>? regions, uint64 count);
};