Intel Extensible Firmware Interface - Manual (Page 1021)

Alphabetic Function Lists
Version 1.10 12/01/02 K-11
Table K-1. Functions Listed in Alphabetic Order (continued)
Function Name Service or Protocol Subservice Function Description
Poll Debugport Protocol Determine if there is any data
available to be read from the
debugport device.
PollIo PCI I/O Protocol Polls an address in PCI I/O space
until an exit condition is met, or a
timeout occurs.
PollIo PCI Root Bridge I/O
Protocol Polls an address in I/O space until
an exit condition is met, or a
timeout occurs.
PollMem PCI I/O Protocol Polls an address in PCI memory
space until an exit condition is
met, or a timeout occurs
PollMem PCI Root Bridge I/O
Protocol Polls an address in memory
mapped I/O space until an exit
condition is met, or a timeout
occurs.
ProtocolsPerHandle Boot Services Protocol Handler
Services
Retrieves the list of protocols
installed on a handle. The return
buffer is automatically allocated.
QueryMode Simple Text Output
Protocol Queries information concerning
the output device’s supported text
mode.
RaiseTPL Boot Services Task Priority
Services Raises the task priority level.
Read Debugport Protocol Receive a buffer of characters
from the debugport device.
Read File System Protocol Reads bytes from a file.
Read Serial I/O Protocol Receives a buffer of characters
from a serial device.
ReadBlocks Block I/O Protocol Reads the requested number of
blocks from the device.
ReadDisk Disk I/O Protocol Reads data from the disk.
ReadKeyStroke Simple Input
Protocol
Reads a keystroke from a simple
input device.
Receive Simple Network
Protocol
Receives a packet from the
network interface.
Receive UNDI Commands When the network adapter has
received a frame, this command is
used to copy the frame into
driver/application storage.
continued