1 // Copyright 2018 The Fuchsia Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 #pragma once
6 
7 #include <ddk/device.h>
8 #include <ddk/protocol/usb/hci.h>
9 
10 typedef struct usb_device usb_device_t;
11 
12 // Represents a USB bus, which manages all devices for a USB host controller
13 typedef struct usb_bus {
14     zx_device_t* zxdev;
15     zx_device_t* hci_zxdev;
16     usb_hci_protocol_t hci;
17 
18     // top-level USB devices, indexed by device_id
19     usb_device_t** devices;
20     size_t max_device_count;
21 } usb_bus_t;
22