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diff -aur xf86-video-sis-0.9.1.pristine/src/sispcirename.h xf86-video-sis-0.9.1.new/src/sispcirename.h
--- xf86-video-sis-0.9.1.pristine/src/sispcirename.h 2012-03-17 04:45:58.280942665 +1100
+++ xf86-video-sis-0.9.1.new/src/sispcirename.h 2012-03-17 04:48:28.539933065 +1100
@@ -29,11 +29,35 @@
#ifndef SISPCIRENAME_H
#define SISPCIRENAME_H
+#include <stdint.h>
+
enum region_type {
REGION_MEM,
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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