diff --git a/include/Makefile.in b/include/Makefile.in
index 8849b526fb8..f809a870758 100644
--- a/include/Makefile.in
+++ b/include/Makefile.in
@@ -204,6 +204,7 @@ SRCDIR_INCLUDES = \
 	ddrawi.h \
 	devenum.idl \
 	devguid.h \
+	devpkey.h \
 	devpropdef.h \
 	digitalv.h \
 	dinput.h \
diff --git a/include/devpkey.h b/include/devpkey.h
new file mode 100644
index 00000000000..04d68de7f36
--- /dev/null
+++ b/include/devpkey.h
@@ -0,0 +1,58 @@
+/*
+ * Copyright (C) 2010 Maarten Lankhorst for Codeweavers
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#include <devpropdef.h>
+
+/* TODO: Not all DEVPROPKEYS have been defined here */
+
+DEFINE_DEVPROPKEY(DEVPKEY_NAME, 0xb725f130,0x47ef,0x101a,0xa5,0xf1,0x02,0x60,0x8c,0x9e,0xeb,0xac, 10);
+
+DEFINE_DEVPROPKEY(DEVPKEY_Device_DeviceDesc, 0xa45c254e,0xdf1c,0x4efd,0x80,0x20,0x67,0xd1,0x46,0xa8,0x50,0xe0, 2);
+DEFINE_DEVPROPKEY(DEVPKEY_Device_HardwareIds, 0xa45c254e,0xdf1c,0x4efd,0x80,0x20,0x67,0xd1,0x46,0xa8,0x50,0xe0, 3);
+DEFINE_DEVPROPKEY(DEVPKEY_Device_CompatibleIds, 0xa45c254e,0xdf1c,0x4efd,0x80,0x20,0x67,0xd1,0x46,0xa8,0x50,0xe0, 4);
+DEFINE_DEVPROPKEY(DEVPKEY_Device_Service, 0xa45c254e,0xdf1c,0x4efd,0x80,0x20,0x67,0xd1,0x46,0xa8,0x50,0xe0, 6);
+DEFINE_DEVPROPKEY(DEVPKEY_Device_Class, 0xa45c254e,0xdf1c,0x4efd,0x80,0x20,0x67,0xd1,0x46,0xa8,0x50,0xe0, 9);
+DEFINE_DEVPROPKEY(DEVPKEY_Device_ClassGuid, 0xa45c254e,0xdf1c,0x4efd,0x80,0x20,0x67,0xd1,0x46,0xa8,0x50,0xe0, 10);
+DEFINE_DEVPROPKEY(DEVPKEY_Device_Driver, 0xa45c254e,0xdf1c,0x4efd,0x80,0x20,0x67,0xd1,0x46,0xa8,0x50,0xe0, 11);
+DEFINE_DEVPROPKEY(DEVPKEY_Device_ConfigFlags, 0xa45c254e,0xdf1c,0x4efd,0x80,0x20,0x67,0xd1,0x46,0xa8,0x50,0xe0, 12);
+DEFINE_DEVPROPKEY(DEVPKEY_Device_Manufacturer, 0xa45c254e,0xdf1c,0x4efd,0x80,0x20,0x67,0xd1,0x46,0xa8,0x50,0xe0, 13);
+DEFINE_DEVPROPKEY(DEVPKEY_Device_FriendlyName, 0xa45c254e,0xdf1c,0x4efd,0x80,0x20,0x67,0xd1,0x46,0xa8,0x50,0xe0, 14);
+DEFINE_DEVPROPKEY(DEVPKEY_Device_LocationInfo, 0xa45c254e,0xdf1c,0x4efd,0x80,0x20,0x67,0xd1,0x46,0xa8,0x50,0xe0, 15);
+DEFINE_DEVPROPKEY(DEVPKEY_Device_PDOName, 0xa45c254e,0xdf1c,0x4efd,0x80,0x20,0x67,0xd1,0x46,0xa8,0x50,0xe0, 16);
+DEFINE_DEVPROPKEY(DEVPKEY_Device_Capabilities, 0xa45c254e,0xdf1c,0x4efd,0x80,0x20,0x67,0xd1,0x46,0xa8,0x50,0xe0, 17);
+DEFINE_DEVPROPKEY(DEVPKEY_Device_UINumber, 0xa45c254e,0xdf1c,0x4efd,0x80,0x20,0x67,0xd1,0x46,0xa8,0x50,0xe0, 18);
+DEFINE_DEVPROPKEY(DEVPKEY_Device_UpperFilters, 0xa45c254e,0xdf1c,0x4efd,0x80,0x20,0x67,0xd1,0x46,0xa8,0x50,0xe0, 19);
+DEFINE_DEVPROPKEY(DEVPKEY_Device_LowerFilters, 0xa45c254e,0xdf1c,0x4efd,0x80,0x20,0x67,0xd1,0x46,0xa8,0x50,0xe0, 20);
+DEFINE_DEVPROPKEY(DEVPKEY_Device_BusTypeGuid, 0xa45c254e,0xdf1c,0x4efd,0x80,0x20,0x67,0xd1,0x46,0xa8,0x50,0xe0, 21);
+DEFINE_DEVPROPKEY(DEVPKEY_Device_LegacyBusType, 0xa45c254e,0xdf1c,0x4efd,0x80,0x20,0x67,0xd1,0x46,0xa8,0x50,0xe0, 22);
+DEFINE_DEVPROPKEY(DEVPKEY_Device_BusNumber, 0xa45c254e,0xdf1c,0x4efd,0x80,0x20,0x67,0xd1,0x46,0xa8,0x50,0xe0, 23);
+DEFINE_DEVPROPKEY(DEVPKEY_Device_EnumeratorName, 0xa45c254e,0xdf1c,0x4efd,0x80,0x20,0x67,0xd1,0x46,0xa8,0x50,0xe0, 24);
+DEFINE_DEVPROPKEY(DEVPKEY_Device_Security, 0xa45c254e,0xdf1c,0x4efd,0x80,0x20,0x67,0xd1,0x46,0xa8,0x50,0xe0, 25);
+DEFINE_DEVPROPKEY(DEVPKEY_Device_SecuritySDS, 0xa45c254e,0xdf1c,0x4efd,0x80,0x20,0x67,0xd1,0x46,0xa8,0x50,0xe0, 26);
+DEFINE_DEVPROPKEY(DEVPKEY_Device_DevType, 0xa45c254e,0xdf1c,0x4efd,0x80,0x20,0x67,0xd1,0x46,0xa8,0x50,0xe0, 27);
+DEFINE_DEVPROPKEY(DEVPKEY_Device_Exclusive, 0xa45c254e,0xdf1c,0x4efd,0x80,0x20,0x67,0xd1,0x46,0xa8,0x50,0xe0, 28);
+DEFINE_DEVPROPKEY(DEVPKEY_Device_Characteristics, 0xa45c254e,0xdf1c,0x4efd,0x80,0x20,0x67,0xd1,0x46,0xa8,0x50,0xe0, 29);
+DEFINE_DEVPROPKEY(DEVPKEY_Device_Address, 0xa45c254e,0xdf1c,0x4efd,0x80,0x20,0x67,0xd1,0x46,0xa8,0x50,0xe0, 30);
+DEFINE_DEVPROPKEY(DEVPKEY_Device_UINumberDescFormat, 0xa45c254e,0xdf1c,0x4efd,0x80,0x20,0x67,0xd1,0x46,0xa8,0x50,0xe0, 31);
+DEFINE_DEVPROPKEY(DEVPKEY_Device_PowerData, 0xa45c254e,0xdf1c,0x4efd,0x80,0x20,0x67,0xd1,0x46,0xa8,0x50,0xe0, 32);
+DEFINE_DEVPROPKEY(DEVPKEY_Device_RemovalPolicy, 0xa45c254e,0xdf1c,0x4efd,0x80,0x20,0x67,0xd1,0x46,0xa8,0x50,0xe0, 33);
+DEFINE_DEVPROPKEY(DEVPKEY_Device_RemovalPolicyDefault, 0xa45c254e,0xdf1c,0x4efd,0x80,0x20,0x67,0xd1,0x46,0xa8,0x50,0xe0, 34);
+DEFINE_DEVPROPKEY(DEVPKEY_Device_RemovalPolicyOverride, 0xa45c254e,0xdf1c,0x4efd,0x80,0x20,0x67,0xd1,0x46,0xa8,0x50,0xe0, 35);
+DEFINE_DEVPROPKEY(DEVPKEY_Device_InstallState, 0xa45c254e,0xdf1c,0x4efd,0x80,0x20,0x67,0xd1,0x46,0xa8,0x50,0xe0, 36);
+DEFINE_DEVPROPKEY(DEVPKEY_Device_LocationPaths, 0xa45c254e,0xdf1c,0x4efd,0x80,0x20,0x67,0xd1,0x46,0xa8,0x50,0xe0, 37);
+DEFINE_DEVPROPKEY(DEVPKEY_Device_BaseContainerId, 0xa45c254e,0xdf1c,0x4efd,0x80,0x20,0x67,0xd1,0x46,0xa8,0x50,0xe0, 38);