sdk/fidl/fuchsia.driver.framework/driver_index.fidl

// 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.

library fuchsia.driver.framework;

using fuchsia.url;

using zx;

/// Driver matched by the driver index.
table MatchedDriver {
    /// URL of the driver.
    1: string:fuchsia.url.MAX_URL_LENGTH url;

    /// Node index for a composite driver (optional).
    2: uint32 node_index;

    /// Total number of nodes for a composite driver (optional).
    3: uint32 num_nodes;
};

/// Protocol through which the driver index can be queried.
[Discoverable]
protocol DriverIndex {
    /// Match a set of device arguments to a driver package URL.
    MatchDriver(NodeAddArgs args) -> (MatchedDriver driver) error zx.status;
};