// wdfusb.h

typedef enum _WDF_USB_BMREQUEST_TYPE {
  BmRequestStandard = 0,
  BmRequestClass,
  BmRequestVendor
} WDF_USB_BMREQUEST_TYPE;
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Windows Driver Kit DDI reference (ne-wdfusb-_wdf_usb_bmrequest_type)

_WDF_USB_BMREQUEST_TYPE enumeration

Description

[Applies to KMDF and UMDF]

The WDF_USB_BMREQUEST_TYPE enumeration identifies the data transfer type for a USB control transfer.

Constants

`BmRequestStandard:0`

The data transfer is a standard USB control transfer.

`BmRequestClass`

The data transfer is a device class-specific USB control transfer.

`BmRequestVendor`

The data transfer is a vendor-specific USB control transfer.

Remarks

The WDF_USB_BMREQUEST_TYPE enumeration is used in the WDF_USB_CONTROL_SETUP_PACKET structure.

For more information about data transfer types for a USB control transfer, see the USB specification.

WDF_USB_BMREQUEST_TYPE - NtDoc