Index: sys/dev/pci/pciio.h
===================================================================
RCS file: /cvsroot/src/sys/dev/pci/pciio.h,v
retrieving revision 1.3
diff -u -p -r1.3 pciio.h
--- sys/dev/pci/pciio.h	6 Jun 2009 12:56:43 -0000	1.3
+++ sys/dev/pci/pciio.h	11 Jun 2009 08:49:35 -0000
@@ -93,4 +93,37 @@ struct pciio_businfo {
 
 #define	PCI_IOC_BUSINFO		 _IOR('P', 4, struct pciio_businfo)
 
+/*
+ * pciio_dbdf_cfgreg {
+ *
+ *	Like pciio_bdf_cfgreg, except for any domain/bus/dev/func
+ */
+struct pciio_dbdf_cfgreg {
+	u_int	domain;
+	u_int	bus;
+	u_int	device;
+	u_int	function;
+	struct pciio_cfgreg cfgreg;
+};
+
+/*
+ * Read and write PCI configuration space registers on any
+ * device within a given PCI domain.
+ */
+#define	PCI_IOC_DBDF_CFGREAD	_IOWR('P', 5, struct pciio_dbdf_cfgreg)
+#define	PCI_IOC_DBDF_CFGWRITE	 _IOW('P', 6, struct pciio_dbdf_cfgreg)
+
+/*
+ * pciio_domaininfo:
+ *
+ *	Information for a PCI domain (autoconfiguration node) instance.
+ */
+struct pciio_domaininfo {
+	u_int	domain;		/* pci domain */
+	u_int	busno;		/* bus number */
+	u_int	maxdevs;	/* max devices on bus */
+};
+
+#define	PCI_IOC_DOMAININFO	_IOR('P', 7, struct pciio_domaininfo)
+
 #endif /* _DEV_PCI_PCIIO_H_ */