diff --git a/include/Makefile.in b/include/Makefile.in
index 66d8c0d1aee..f8fbfc9f544 100644
--- a/include/Makefile.in
+++ b/include/Makefile.in
@@ -404,6 +404,7 @@ SRCDIR_INCLUDES = \
 	rpcproxy.h \
 	rstbas.idl \
 	rstinf.idl \
+	rstloc.idl \
 	rtutils.h \
 	scarderr.h \
 	schannel.h \
diff --git a/include/oledb.idl b/include/oledb.idl
index a1b4643d4f0..3f524eb7dc3 100644
--- a/include/oledb.idl
+++ b/include/oledb.idl
@@ -34,16 +34,19 @@ typedef LONG  DBROWCOUNT;
 typedef ULONG DBCOUNTITEM;
 typedef ULONG DBLENGTH;
 typedef ULONG DBORDINAL;
+typedef ULONG DBBKMARK;
 typedef DWORD DB_DWRESERVE;
 typedef ULONG DBREFCOUNT;
 typedef ULONG DB_UPARAMS;
 typedef LONG  DB_LPARAMS;
+typedef DWORD DBHASHVALUE;
 
 #include "dbs.idl"
 
 #include "access.idl"
 #include "rstbas.idl"
 #include "rstinf.idl"
+#include "rstloc.idl"
 #include "cmdbas.idl"
 #include "cmdtxt.idl"
 #include "dbccmd.idl"
diff --git a/include/rstloc.idl b/include/rstloc.idl
new file mode 100644
index 00000000000..266aabf65a4
--- /dev/null
+++ b/include/rstloc.idl
@@ -0,0 +1,67 @@
+/*
+ * Copyright (C) 2009 Huw Davies
+ *
+ * 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
+ */
+
+[
+    local,
+    object,
+    uuid(0c733a7d-2a1c-11ce-ade5-00aa0044773d),
+    pointer_default(unique)
+]
+interface IRowsetLocate : IRowset
+{
+    typedef DWORD DBCOMPARE;
+
+    enum DBCOMPAREENUM
+    {
+        DBCOMPARE_LT,
+        DBCOMPARE_EQ,
+        DBCOMPARE_GT,
+        DBCOMPARE_NE,
+        DBCOMPARE_NOTCOMPARABLE
+    };
+
+    HRESULT Compare([in] HCHAPTER hReserved,
+                    [in] DBBKMARK cbBookmark1,
+                    [in, size_is(cbBookmark1)] const BYTE *pBookmark1,
+                    [in] DBBKMARK cbBookmark2,
+                    [in, size_is(cbBookmark2)] const BYTE *pBookmark2,
+                    [out] DBCOMPARE *pComparison);
+
+    HRESULT GetRowsAt([in] HWATCHREGION hReserved1,
+                      [in] HCHAPTER hReserved2,
+                      [in] DBBKMARK cbBookmark,
+                      [in, size_is(cbBookmark)] const BYTE *pBookmark,
+                      [in] DBROWOFFSET lRowsOffset,
+                      [in] DBROWCOUNT cRows,
+                      [out] DBCOUNTITEM *pcRowsObtained,
+                      [out, size_is(,cRows)] HROW **prghRows);
+
+    HRESULT GetRowsByBookmark([in] HCHAPTER hReserved,
+                              [in] DBCOUNTITEM cRows,
+                              [in, size_is(cRows)] const DBBKMARK rgcbBookmarks[],
+                              [in, size_is(cRows)] const BYTE *rgpBookmarks[],
+                              [out, size_is(cRows)] HROW rghRows[],
+                              [out, size_is(cRows)] DBROWSTATUS rgRowStatus[]);
+
+    HRESULT Hash([in] HCHAPTER hReserved,
+                 [in] DBBKMARK cBookmarks,
+                 [in, size_is(cBookmarks)] const DBBKMARK rgcbBookmarks[],
+                 [in, size_is(cBookmarks)] const BYTE *rgpBookmarks[],
+                 [out, size_is(cBookmarks)] DBHASHVALUE rgHashedValues[],
+                 [out, size_is(cBookmarks)] DBROWSTATUS rgBookmarkStatus[]);
+}
diff --git a/tools/make_makefiles b/tools/make_makefiles
index dadb3936fed..28c1e1cde13 100755
--- a/tools/make_makefiles
+++ b/tools/make_makefiles
@@ -127,6 +127,7 @@ my %private_idl_headers = (
     "opnrst.idl" => 1,
     "rstbas.idl" => 1,
     "rstinf.idl" => 1,
+    "rstloc.idl" => 1,
     "sesprp.idl" => 1,
     "vmrender.idl" => 1,
     "wine/wined3d.idl" => 1,