Intel Extensible Firmware Interface User Manual

Page 1038

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Extensible Firmware Interface Specification

K-28

12/01/02

Version 1.10

Table K-2. Functions Listed Alphabetically within a Service or Protocol

(continued)

Service or Protocol

Function

Function Description

Shutdown

Resets the network adapter and leaves it in a state
safe for another driver to initialize.

Start

Changes the network interface from the stopped state
to the started state.

StationAddress

Allows the station address of the network interface to
be modified.

Statistics

Allows the statistics on the network interface to be
reset and/or collected.

Stop

Changes the network interface from the started state
to the stopped state.

Simple Network
Protocol

(continued)

Transmit

Places a packet in the transmit queue of the network
interface.

GetState

Retrieves the current state of a pointer device.

Simple Pointer Protocol

Reset

Resets the pointer device hardware.

ClearScreen

Clears the screen with the currently set background
color.

EnableCursor

Turns the visibility of the cursor on/off.

OutputString

Displays the Unicode string on the device at the
current cursor location.

QueryMode

Queries information concerning the output device’s
supported text mode.

Reset

Resets the ConsoleOut device.

SetAttribute

Sets the foreground and background color of the text
that is output.

SetCursorPosition

Sets the current cursor position.

SetMode

Sets the current mode of the output device.

Simple Text Output
Protocol

TestString

Tests to see if the ConsoleOut device supports this
Unicode string.

Blt

Blt a rectangle of pixels on the graphics screen. Blt
stands for BLock Transfer.

GetMode

Return the current frame buffer geometry and display
refresh rate.

UGA Draw Protocol

SetMode

Sets the video device into the specified mode and
clears the output display to black.

continued

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