---
title: IOUSBDeviceRequest
framework: usbdriverkit
role: symbol
role_heading: Structure
path: usbdriverkit/iousbdevicerequest
---

# IOUSBDeviceRequest

A structure that defines a standard device request.

## Declaration

```occ
struct IOUSBDeviceRequest;
```

## Overview

Overview For information about device requests, see section 9.3 of the USB 2.0 specification at http://www.usb.org.

## Topics

### Getting the Request Data

- [bmRequestType](usbdriverkit/iousbdevicerequest/bmrequesttype.md)
- [bRequest](usbdriverkit/iousbdevicerequest/brequest.md)
- [wValue](usbdriverkit/iousbdevicerequest/wvalue.md)
- [wIndex](usbdriverkit/iousbdevicerequest/windex.md)
- [wLength](usbdriverkit/iousbdevicerequest/wlength.md)

## See Also

### Device Requests

- [Standard Device Requests](usbdriverkit/standard_device_requests-enum.md)
- [IOUSBDeviceRequestSetSELData](usbdriverkit/iousbdevicerequestsetseldata.md)
- [tIOUSBDeviceRequest](usbdriverkit/tiousbdevicerequest.md)
- [tIOUSBDeviceRequestTypeValue](usbdriverkit/tiousbdevicerequesttypevalue.md)
- [tIOUSBDeviceRequestRecipientValue](usbdriverkit/tiousbdevicerequestrecipientvalue.md)
- [Get Status Options](usbdriverkit/get_status_options-enum.md)
- [Suspend Feature Options](usbdriverkit/suspend_feature_options-enum.md)
- [Link Power Management Capabilities](usbdriverkit/link_power_management_capabiliti-enum.md)
- [Standard Feature Selectors](usbdriverkit/standard_feature_selectors-enum.md)