From 05fd00f46eb3be46d669921d11dff6fe8a5bb60b Mon Sep 17 00:00:00 2001
From: Jeremy Huddleston <jeremyhu@apple.com>
Date: Sat, 29 Oct 2011 16:58:41 -0700
Subject: pciTag was removed from xorg-server, so provide it in-driver until
 this is updated to use libpciaccess

Signed-off-by: Jeremy Huddleston <jeremyhu@apple.com>
---
 src/cir_pcirename.h | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/src/cir_pcirename.h b/src/cir_pcirename.h
index f0f5cf8..fa60a19 100644
--- a/src/cir_pcirename.h
+++ b/src/cir_pcirename.h
@@ -34,6 +34,28 @@ enum region_type {
     REGION_IO 
 };
 
+#if (defined(__alpha__) || defined(__ia64__)) && defined (linux)
+#define PCI_DOM_MASK    0x01fful
+#else
+#define PCI_DOM_MASK 0x0ffu
+#endif
+
+#ifndef PCI_DOM_MASK
+# define PCI_DOM_MASK 0x0ffu
+#endif
+#define PCI_DOMBUS_MASK (((PCI_DOM_MASK) << 8) | 0x0ffu)
+
+static inline uint32_t
+pciTag(int busnum, int devnum, int funcnum)
+{
+	uint32_t tag;
+	tag  = (busnum & (PCI_DOMBUS_MASK)) << 16;
+	tag |= (devnum & 0x00001fu) << 11;
+	tag |= (funcnum & 0x000007u) << 8;
+
+	return tag;
+}
+
 #ifndef XSERVER_LIBPCIACCESS
 
 /* pciVideoPtr */
-- 
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