Intel Extensible Firmware Interface User Manual

Page 1026

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Extensible Firmware Interface Specification

K-16

12/01/02

Version 1.10

Table K-1. Functions Listed in Alphabetic Order

(continued)

Function Name

Service or Protocol Subservice Function

Description

StriColl Unicode

Collation

Protocol

Performs a case-insensitive
comparison between two Unicode
strings.

StrLwr

Unicode Collation
Protocol

Converts all the Unicode
characters in a Null-terminated
Unicode string to lower case
Unicode characters.

StrToFat

Unicode Collation
Protocol

Converts a Null-terminated
Unicode string to legal characters
in a FAT filename using an OEM
character set.

StrUpr

Unicode Collation
Protocol

Converts all the Unicode
characters in a Null-terminated
Unicode string to upper case
Unicode characters.

Supported

EFI Driver Binding
Protocol

Tests to see if driver supports a
given controller, and further tests
to see if driver supports creating a
handle for a specified child device.

SyncInterruptTransfer

USB Host Controller
Protocol

Submits a synchronous interrupt
transfer to an interrupt endpoint of
a USB device.

TestString

Simple Text Output
Protocol

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

Transmit Simple

Network

Protocol

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

Transmit UNDI

Commands

The Transmit command is used to
place a packet into the transmit
queue.

UdpRead

PXE Base Code
Protocol

Reads a UDP packet from a
network interface.

UdpWrite

PXE Base Code
Protocol

Writes a UDP packet to a network
interface.

UninstallMultipleProtocol
Interfaces

Boot Services Protocol

Handler

Services

Uninstalls one or more protocol
interfaces from a handle.

UninstallProtocolInterface

Boot Services

Protocol Handler
Services

Removes a protocol interface from
a device handle.

Unload Loaded

Image

Protocol

Requests an image to unload.

continued

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