Chapter 4. Host-Side Data Types and Macros

Table of Contents

struct usb_host_endpoint — host-side endpoint descriptor and queue

struct usb_interface — what usb device drivers talk to

struct usb_interface_cache — long-term representation of a device interface

struct usb_host_config — representation of a device's configuration

struct usb_device — kernel's representation of a USB device

usb_interface_claimed — returns true iff an interface is claimed

usb_make_path — returns stable device path in the usb tree

USB_DEVICE — macro used to describe a specific usb device

USB_DEVICE_VER — describe a specific usb device with a version range

USB_DEVICE_INTERFACE_PROTOCOL — describe a usb device with a specific interface protocol

USB_DEVICE_INFO — macro used to describe a class of usb devices

USB_INTERFACE_INFO — macro used to describe a class of usb interfaces

USB_DEVICE_AND_INTERFACE_INFO — describe a specific usb device with a class of usb interfaces

struct usbdrv_wrap — wrapper for driver-model structure

struct usb_driver — identifies USB interface driver to usbcore

struct usb_device_driver — identifies USB device driver to usbcore

struct usb_class_driver — identifies a USB driver that wants to use the USB major number

struct urb — USB Request Block

usb_fill_control_urb — initializes a control urb

usb_fill_bulk_urb — macro to help initialize a bulk urb

usb_fill_int_urb — macro to help initialize a interrupt urb

usb_urb_dir_in — check if an URB describes an IN transfer

usb_urb_dir_out — check if an URB describes an OUT transfer

struct usb_sg_request — support for scatter/gather I/O