USBD_INTERFACE_INFORMATION structure (usb.h)
The USBD_INTERFACE_INFORMATION structure holds information about an interface for a configuration on a USB device.
Syntax
typedef struct _USBD_INTERFACE_INFORMATION {
USHORT Length;
UCHAR InterfaceNumber;
UCHAR AlternateSetting;
UCHAR Class;
UCHAR SubClass;
UCHAR Protocol;
UCHAR Reserved;
USBD_INTERFACE_HANDLE InterfaceHandle;
ULONG NumberOfPipes;
USBD_PIPE_INFORMATION Pipes[1];
} USBD_INTERFACE_INFORMATION, *PUSBD_INTERFACE_INFORMATION;
Members
Length
Specifies the length, in bytes, of this structure.
InterfaceNumber
Specifies the device-defined index identifier for this interface.
AlternateSetting
Specifies a device-defined index identifier that indicates which alternate setting this interface is using, should use, or describes.
Class
Contains a USB-assigned identifier that specifies a USB-defined class that this interface conforms to.
SubClass
Contains a USB-assigned identifier that specifies a USB-defined subclass that this interface conforms to. This code is specific to the code in Class.
Protocol
Contains a USB-assigned identifier that specifies a USB-defined protocol that this interface conforms to. This code is specific to the codes in Class and SubClass.
Reserved
Reserved.
InterfaceHandle
Contains a host controller driver-defined handle that is used to access this interface. This member should be treated as opaque.
NumberOfPipes
Specifies the number of pipes (endpoints) in this interface.
Pipes[1]
Pointer to the first element in the array of USBD_PIPE_INFORMATION structures. The length of the array depends on the number of endpoints in the interface descriptor.
Remarks
Members that are part of this structure, but not described here, should be treated as opaque and considered to be reserved for system use.
The reserved members of this structure must be treated as opaque and are reserved for system use.
Requirements
| Requirement | Value |
|---|---|
| Header | usb.h (include Usb.h) |