sdk/fidl/fuchsia.hardware.acpi/notification.fidl

// Copyright 2021 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.hardware.acpi;

type NotificationMode = flexible bits {
    /// Receive notifications with values 0x00-0x7f.
    SYSTEM = 0x01;
    /// Receive notifications with values 0x80-0xff.
    DEVICE = 0x02;
};

/// Notification handler protocol.
/// Closing the channel will disable the notification handler.
closed protocol NotifyHandler {
    /// Called when a notification is received. |value| is the notification number.
    /// Another notification will not be sent until Reply() is called.
    strict Handle(struct {
        value uint32;
    }) -> ();
};