sdk/fidl/fuchsia.hardware.overnet/overnet.fidl

// Copyright 2023 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.
@available(added=HEAD)
library fuchsia.hardware.overnet;

using zx;

closed protocol Callback {
    // Called when a new link is ready to be serviced. RCS should serve a circuit link over the
    // given socket.
    strict NewLink(resource struct {
        socket zx.Handle:SOCKET;
    }) -> ();
};

// An interface to the USB function device driver that translates bulk in and out requests
// into a socket API
closed protocol Usb {
    // Sets a callback that will receive a new socket when the usb device is connected to the host.
    // If the host disconnects, the socket will be closed and the downstream user can call this
    // again to wait for another connection.
    strict SetCallback(resource struct {
        callback client_end:Callback;
    }) -> ();
};

service UsbService {
    device client_end:Usb;
};

closed protocol Device {
    // Called by RCS to set a callback through which RCS can receive sockets.
    strict SetCallback(resource struct {
        callback client_end:Callback;
    }) -> ();
};

service Service {
    device client_end:Device;
};