zircon/system/banjo/ddk.protocol.composite/composite.banjo

// 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 ddk.protocol.composite;

using ddk.driver;
using zx;

[Layout = "ddk-protocol"]
protocol Composite {
    /// Returns the number of components that can be returned by GetComponents().
    GetComponentCount() -> (uint32 count);
    /// Returns a list of all of the components of this device, in the order
    /// in which they were provided to device_add_composite().  The returned
    /// devices must not be used after the composite device is unbound.
    GetComponents() -> (vector<ddk.driver.ZxDevice?> components);
};