system/banjo/ddk-protocol-mailbox/mailbox.banjo

// Copyright 2018 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.mailbox;

using zx;

struct MailboxDataBuf {
    uint32 cmd;
    vector<voidptr> tx;
};

struct MailboxChannel {
    uint32 mailbox;
    vector<voidptr> rx;
};

[Layout = "ddk-protocol"]
interface Mailbox {
    SendCommand(MailboxChannel channel, MailboxDataBuf mdata) -> (zx.status s);
};