blob: 2adda7b965aa82c1aca02c626d1f02a5dc774e05 [file] [log] [blame]
// 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.mem;
/// A range of bytes within a VMO.
struct Range {
/// The vmo that contains the bytes.
handle<vmo> vmo;
/// The offset of the first byte within the range relative to the start of
/// the VMO.
/// For example, if `offset` is zero, then the first byte in the range is
/// the first byte in the VMO.
uint64 offset;
/// The number of bytes in the range.
/// For example, if the offset is 3 and the size is 2, and the VMO starts
/// with "abcdefg...", then the range contains "de".
/// The sum of the offset and the size must not be greater than the
/// physical size of the VMO.
uint64 size;