synchronize the files with the MDE_Library_Spec

[mirror_edk2.git] / MdePkg / Include / Library / PciCf8Lib.h

diff --git a/MdePkg/Include/Library/PciCf8Lib.h b/MdePkg/Include/Library/PciCf8Lib.h
index f5ab3984ab07544c376c3828875be08b244ec656..e1f7e888eb48bd8f1f452fb707494d8d37a0efb1 100644 (file)
--- a/MdePkg/Include/Library/PciCf8Lib.h
+++ b/MdePkg/Include/Library/PciCf8Lib.h
@@ -1,5 +1,9 @@
 /** @file\r
   Provides services to access PCI Configuration Space using the I/O ports 0xCF8 and 0xCFC.\r
+  \r
+  This library is identical to the PCI Library, except the access method for performing PCI \r
+  configuration cycles must be though I/O ports 0xCF8 and 0xCFC.  This library only allows \r
+  access to PCI Segment #0.\r
 \r
 Copyright (c) 2006 - 2008, Intel Corporation\r
 All rights reserved. This program and the accompanying materials\r