Intel Extensible Firmware Interface User Manual
Page 1041

Alphabetic Function Lists
Version 1.10
12/01/02
K-31
Table K-2. Functions Listed Alphabetically within a Service or Protocol
(continued)
Service or Protocol
Function
Function Description
Submits isochronous transfer to an isochronous
endpoint of a USB device.
Software reset of USB.
Sets the feature for the specified root hub port.
Sets the USB host controller to a specific state.
Submits a synchronous interrupt transfer to an
interrupt endpoint of a USB device.
Nonblock USB interrupt transfer.
Nonblock USB isochronous transfer.
Accesses the USB Device through USB Bulk Transfer
Pipe.
Accesses the USB Device through USB Control
Transfer Pipe.
Retrieves the activated configuration descriptor of a
USB device.
Retrieves the device descriptor of a USB device.
Retrieves the endpoint descriptor of a USB Controller.
Retrieves the interface descriptor of a USB Controller.
Retrieves the string descriptor inside a USB Device.
Retrieves the array of languages that the USB device
supports.
Accesses the USB Device through USB Isochronous
Transfer Pipe.
Resets and reconfigures the USB controller.
Accesses the USB Device through USB Synchronous
Interrupt Transfer Pipe.