src/devices/tests/driver-transport/test.fidl

// Copyright 2022 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.transport.test;

using zx;

const MAX_TRANSFER_SIZE uint32 = 4096;

closed protocol TestDevice {
    /// Sets the test data that can be retrieved from this device using a runtime channel.
    strict SetTestData(struct {
        in vector<uint8>:MAX_TRANSFER_SIZE;
    }) -> () error zx.Status;
};

closed protocol TestDeviceChild {
    /// Returns the test data stored in the parent device using the runtime channel.
    strict GetParentDataOverDriverTransport() -> (struct {
        out vector<uint8>:MAX_TRANSFER_SIZE;
    }) error zx.Status;
};

@discoverable
@transport("Driver")
closed protocol DriverTransportProtocol {
    /// Returns the test data stored in the parent device.
    strict TransmitData() -> (struct {
        out vector<uint8>:MAX_TRANSFER_SIZE;
    }) error zx.Status;
};

service Service {
    driver_transport_protocol client_end:DriverTransportProtocol;
};