From: qhuang8 <qhuang8@6f19259b-4bc3-4df7-8a09-765794883524>
Date: Fri, 8 Dec 2006 03:41:30 +0000 (+0000)
Subject: Add a new definition according to Pci spec 2.2
X-Git-Tag: edk2-stable201903~23803
X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=commitdiff_plain;h=1082de3167ca730c49ad694e564eb976b30f5244

Add a new definition according to Pci spec 2.2

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2074 6f19259b-4bc3-4df7-8a09-765794883524
---

diff --git a/MdePkg/Include/IndustryStandard/pci22.h b/MdePkg/Include/IndustryStandard/pci22.h
index f150fbc1b0..581744ff55 100644
--- a/MdePkg/Include/IndustryStandard/pci22.h
+++ b/MdePkg/Include/IndustryStandard/pci22.h
@@ -319,6 +319,11 @@ typedef struct {
 #define PCI_BRIDGE_SECONDARY_BUS_REGISTER_OFFSET    0x19
 #define PCI_BRIDGE_SUBORDINATE_BUS_REGISTER_OFFSET  0x1a
 
+//
+// Interrupt Line "Unknown" or "No connection" value defined for x86 based system
+//
+#define PCI_INT_LINE_UNKNOWN                        0xFF               
+
 typedef union {
   struct {
     UINT32  Reg : 8;