| // Copyright 2019 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. |
| |
| #include <stdint.h> |
| |
| namespace usb_xhci { |
| |
| struct PortState { |
| // Whether or not this is a USB 3.0 port. If this bit is set to false, |
| // the other fields in this struct are undefined. |
| bool is_USB3 = false; |
| |
| // Whether or not a device is currently attached to the PHY. |
| bool is_connected = false; |
| |
| // Whether or not the link layer is active for this device. |
| // Software may not attempt to communicate with the attached device |
| // unless this is true. |
| bool link_active = false; |
| |
| // Whether or not enumeration should be retried for this port. |
| bool retry = false; |
| |
| // The primary slot connected to this port. |
| // For hubs, this would be the slot ID of the hub |
| // (not any peripherals attached to the hub) |
| uint8_t slot_id; |
| }; |
| |
| } // namespace usb_xhci |
