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[Xen-changelog] [xen master] tools/libxc: Remove osdep indirection for privcmd



commit 7a3543df838c33db28262e5eb4560d615a89bfe6
Author:     Ian Campbell <ian.campbell@xxxxxxxxxx>
AuthorDate: Thu Jun 11 17:39:00 2015 +0100
Commit:     Ian Campbell <ian.campbell@xxxxxxxxxx>
CommitDate: Fri Jan 22 12:22:38 2016 +0000

    tools/libxc: Remove osdep indirection for privcmd
    
    The alternative backend (a xen-api/xapi shim) is no longer around and
    so this stuff is now just baggage which is getting in the way of
    refactoring libxenctrl.
    
    Nested virt probably suffices for this use case now.
    
    This was the last component of the osdep infrastructure, so all the
    dynamic loading etc stuff all falls away too.
    
    As part of this I was forced to investigate the twisty
    xc_map_foreign_* maze, which I have added to the
    toolstack-library-apis doc in the hopes of doing something sensible.
    
    NetBSD and Solaris now call xc_map_foreign_bulk_compat directly from
    their xc_map_foreign_bulk, which could have been achieved by using
    some ifdefs around a renamed function. This will fall out in the wash
    when these functions move to their own library.
    
    Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
    Acked-by: David Scott <dave.scott@xxxxxxxxxx>
    Acked-by: Wei Liu <wei.liu2@xxxxxxxxxx>
---
 config/FreeBSD.mk                   |    2 -
 config/NetBSD.mk                    |    3 -
 config/NetBSDRump.mk                |    1 -
 config/StdGNU.mk                    |    1 -
 config/SunOS.mk                     |    1 -
 tools/libxc/Makefile                |   27 ++----
 tools/libxc/include/xenctrl.h       |    9 --
 tools/libxc/include/xenctrlosdep.h  |  133 --------------------------
 tools/libxc/xc_foreign_memory.c     |   31 +------
 tools/libxc/xc_freebsd_osdep.c      |  100 ++++++---------------
 tools/libxc/xc_hcall_buf.c          |    6 +-
 tools/libxc/xc_linux_osdep.c        |   88 ++++++------------
 tools/libxc/xc_minios.c             |   82 +++++------------
 tools/libxc/xc_netbsd.c             |   90 +++++++------------
 tools/libxc/xc_private.c            |  174 ++---------------------------------
 tools/libxc/xc_private.h            |   19 +++-
 tools/libxc/xc_solaris.c            |   90 +++++++------------
 tools/libxc/xenctrl_osdep_ENOSYS.c  |  123 ------------------------
 tools/ocaml/libs/xc/xenctrl.ml      |    2 -
 tools/ocaml/libs/xc/xenctrl.mli     |    1 -
 tools/ocaml/libs/xc/xenctrl_stubs.c |    7 --
 tools/ocaml/xenstored/domains.ml    |    6 +-
 tools/ocaml/xenstored/xenstored.ml  |    5 +-
 23 files changed, 178 insertions(+), 823 deletions(-)

diff --git a/config/FreeBSD.mk b/config/FreeBSD.mk
index 5a13d607..bb3a5d0 100644
--- a/config/FreeBSD.mk
+++ b/config/FreeBSD.mk
@@ -1,6 +1,4 @@
 include $(XEN_ROOT)/config/StdGNU.mk
 
-DLOPEN_LIBS =
-
 # No wget on FreeBSD base system
 WGET = ftp
diff --git a/config/NetBSD.mk b/config/NetBSD.mk
index 21318d6..cf766e5 100644
--- a/config/NetBSD.mk
+++ b/config/NetBSD.mk
@@ -1,6 +1,3 @@
 include $(XEN_ROOT)/config/StdGNU.mk
 
-# Override settings for this OS
-DLOPEN_LIBS =
-
 WGET = ftp
diff --git a/config/NetBSDRump.mk b/config/NetBSDRump.mk
index 2a87218..74755a1 100644
--- a/config/NetBSDRump.mk
+++ b/config/NetBSDRump.mk
@@ -1,6 +1,5 @@
 include $(XEN_ROOT)/config/StdGNU.mk
 
-DLOPEN_LIBS =
 PTHREAD_LIBS =
 
 WGET = ftp
diff --git a/config/StdGNU.mk b/config/StdGNU.mk
index 129d5c8..39d36b2 100644
--- a/config/StdGNU.mk
+++ b/config/StdGNU.mk
@@ -31,7 +31,6 @@ DEBUG_DIR ?= /usr/lib/debug
 
 SOCKET_LIBS =
 UTIL_LIBS = -lutil
-DLOPEN_LIBS = -ldl
 
 SONAME_LDFLAG = -soname
 SHLIB_LDFLAGS = -shared
diff --git a/config/SunOS.mk b/config/SunOS.mk
index db5e898..86a384d 100644
--- a/config/SunOS.mk
+++ b/config/SunOS.mk
@@ -27,7 +27,6 @@ SunOS_LIBDIR_x86_64 = /usr/sfw/lib/amd64
 SOCKET_LIBS = -lsocket
 PTHREAD_LIBS = -lpthread
 UTIL_LIBS =
-DLOPEN_LIBS = -ldl
 
 SONAME_LDFLAG = -h
 SHLIB_LDFLAGS = -R $(SunOS_LIBDIR) -shared
diff --git a/tools/libxc/Makefile b/tools/libxc/Makefile
index 33d18db..3305fdd 100644
--- a/tools/libxc/Makefile
+++ b/tools/libxc/Makefile
@@ -101,8 +101,6 @@ GUEST_SRCS-y                 += 
xc_dom_decompress_unsafe_lzo1x.c
 GUEST_SRCS-y                 += xc_dom_decompress_unsafe_xz.c
 endif
 
-OSDEP_SRCS-y                 += xenctrl_osdep_ENOSYS.c
-
 -include $(XEN_TARGET_ARCH)/Makefile
 
 CFLAGS   += -Werror -Wmissing-prototypes
@@ -121,11 +119,8 @@ CTRL_PIC_OBJS := $(patsubst %.c,%.opic,$(CTRL_SRCS-y))
 GUEST_LIB_OBJS := $(patsubst %.c,%.o,$(GUEST_SRCS-y))
 GUEST_PIC_OBJS := $(patsubst %.c,%.opic,$(GUEST_SRCS-y))
 
-OSDEP_LIB_OBJS := $(patsubst %.c,%.o,$(OSDEP_SRCS-y))
-OSDEP_PIC_OBJS := $(patsubst %.c,%.opic,$(OSDEP_SRCS-y))
-
-$(CTRL_LIB_OBJS) $(GUEST_LIB_OBJS) $(OSDEP_LIB_OBJS) \
-$(CTRL_PIC_OBJS) $(GUEST_PIC_OBJS) $(OSDEP_PIC_OBJS) : CFLAGS += -include 
$(XEN_ROOT)/tools/config.h
+$(CTRL_LIB_OBJS) $(GUEST_LIB_OBJS) \
+$(CTRL_PIC_OBJS) $(GUEST_PIC_OBJS): CFLAGS += -include 
$(XEN_ROOT)/tools/config.h
 
 $(CTRL_LIB_OBJS) $(CTRL_PIC_OBJS): CFLAGS += $(CFLAGS_libxengnttab) 
$(CFLAGS_libxengntshr)
 
@@ -139,17 +134,13 @@ ifneq ($(nosharedlibs),y)
 LIB += libxenguest.so libxenguest.so.$(MAJOR) libxenguest.so.$(MAJOR).$(MINOR)
 endif
 
-ifneq ($(nosharedlibs),y)
-LIB += xenctrl_osdep_ENOSYS.so
-endif
-
 genpath-target = $(call buildmakevars2header,_paths.h)
 $(eval $(genpath-target))
 
 xc_private.h: _paths.h
 
-$(CTRL_LIB_OBJS) $(GUEST_LIB_OBJS) $(OSDEP_LIB_OBJS) \
-$(CTRL_PIC_OBJS) $(GUEST_PIC_OBJS) $(OSDEP_PIC_OBJS): xc_private.h
+$(CTRL_LIB_OBJS) $(GUEST_LIB_OBJS) \
+$(CTRL_PIC_OBJS) $(GUEST_PIC_OBJS): xc_private.h
 
 .PHONY: all
 all: build
@@ -169,7 +160,7 @@ install: build
        $(INSTALL_DATA) libxenctrl.a $(DESTDIR)$(libdir)
        $(SYMLINK_SHLIB) libxenctrl.so.$(MAJOR).$(MINOR) 
$(DESTDIR)$(libdir)/libxenctrl.so.$(MAJOR)
        $(SYMLINK_SHLIB) libxenctrl.so.$(MAJOR) 
$(DESTDIR)$(libdir)/libxenctrl.so
-       $(INSTALL_DATA) include/xenctrl.h include/xenctrl_compat.h 
include/xenctrlosdep.h $(DESTDIR)$(includedir)
+       $(INSTALL_DATA) include/xenctrl.h include/xenctrl_compat.h 
$(DESTDIR)$(includedir)
        $(INSTALL_SHLIB) libxenguest.so.$(MAJOR).$(MINOR) $(DESTDIR)$(libdir)
        $(INSTALL_DATA) libxenguest.a $(DESTDIR)$(libdir)
        $(SYMLINK_SHLIB) libxenguest.so.$(MAJOR).$(MINOR) 
$(DESTDIR)$(libdir)/libxenguest.so.$(MAJOR)
@@ -185,8 +176,7 @@ clean:
        rm -rf *.rpm $(LIB) *~ $(DEPS) \
             _paths.h \
             $(CTRL_LIB_OBJS) $(CTRL_PIC_OBJS) \
-            $(GUEST_LIB_OBJS) $(GUEST_PIC_OBJS) \
-            $(OSDEP_LIB_OBJS) $(OSDEP_PIC_OBJS)
+            $(GUEST_LIB_OBJS) $(GUEST_PIC_OBJS)
 
 .PHONY: distclean
 distclean: clean
@@ -212,7 +202,7 @@ libxenctrl.so.$(MAJOR): libxenctrl.so.$(MAJOR).$(MINOR)
        $(SYMLINK_SHLIB) $< $@
 
 libxenctrl.so.$(MAJOR).$(MINOR): $(CTRL_PIC_OBJS)
-       $(CC) $(LDFLAGS) $(PTHREAD_LDFLAGS) -Wl,$(SONAME_LDFLAG) 
-Wl,libxenctrl.so.$(MAJOR) $(SHLIB_LDFLAGS) -o $@ $^ $(LDLIBS_libxentoollog) 
$(LDLIBS_libxenevtchn) $(LDLIBS_libxengnttab) $(LDLIBS_libxengntshr) 
$(DLOPEN_LIBS) $(PTHREAD_LIBS) $(APPEND_LDFLAGS)
+       $(CC) $(LDFLAGS) $(PTHREAD_LDFLAGS) -Wl,$(SONAME_LDFLAG) 
-Wl,libxenctrl.so.$(MAJOR) $(SHLIB_LDFLAGS) -o $@ $^ $(LDLIBS_libxentoollog) 
$(LDLIBS_libxenevtchn) $(LDLIBS_libxengnttab) $(LDLIBS_libxengntshr) 
$(PTHREAD_LIBS) $(APPEND_LDFLAGS)
 
 # libxenguest
 
@@ -237,8 +227,5 @@ libxenguest.so.$(MAJOR).$(MINOR): COMPRESSION_LIBS = $(call 
zlib-options,l)
 libxenguest.so.$(MAJOR).$(MINOR): $(GUEST_PIC_OBJS) libxenctrl.so
        $(CC) $(LDFLAGS) -Wl,$(SONAME_LDFLAG) -Wl,libxenguest.so.$(MAJOR) 
$(SHLIB_LDFLAGS) -o $@ $(GUEST_PIC_OBJS) $(COMPRESSION_LIBS) -lz 
$(LDLIBS_libxenevtchn) $(LDLIBS_libxenctrl) $(PTHREAD_LIBS) $(APPEND_LDFLAGS)
 
-xenctrl_osdep_ENOSYS.so: $(OSDEP_PIC_OBJS) libxenctrl.so
-       $(CC) $(LDFLAGS) $(SHLIB_LDFLAGS) -o $@ $(OSDEP_PIC_OBJS) 
$(LDLIBS_libxenctrl) $(APPEND_LDFLAGS)
-
 -include $(DEPS)
 
diff --git a/tools/libxc/include/xenctrl.h b/tools/libxc/include/xenctrl.h
index 759f9df..d7444c8 100644
--- a/tools/libxc/include/xenctrl.h
+++ b/tools/libxc/include/xenctrl.h
@@ -181,15 +181,6 @@ enum xc_open_flags {
  */
 int xc_interface_close(xc_interface *xch);
 
-/**
- * Query the active OS interface (i.e. that which would be returned by
- * xc_interface_open) to find out if it is fake (i.e. backends onto
- * something other than an actual Xen hypervisor).
- *
- * @return 0 is "real", >0 if fake, -1 on error.
- */
-int xc_interface_is_fake(void);
-
 /*
  * HYPERCALL SAFE MEMORY BUFFER
  *
diff --git a/tools/libxc/include/xenctrlosdep.h 
b/tools/libxc/include/xenctrlosdep.h
deleted file mode 100644
index 423660d..0000000
--- a/tools/libxc/include/xenctrlosdep.h
+++ /dev/null
@@ -1,133 +0,0 @@
-/******************************************************************************
- *
- * Interface to OS specific low-level operations
- *
- * Copyright (c) 2010, Citrix Systems Inc.
- *
- * 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;
- * version 2.1 of the License.
- *
- * 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, see <http://www.gnu.org/licenses/>.
- */
-
-/*
- * This interface defines the interactions between the Xen control
- * libraries and the OS facilities used to communicate with the
- * hypervisor.
- *
- * It is possible to override the default (native) implementation by
- * setting the XENCTRL_OSDEP environment variable to point to a
- * plugin library. Userspace can use this facility to intercept
- * hypervisor operations. This can be used e.g. to implement a
- * userspace simulator for Xen hypercalls.
- *
- * The plugin must contain a data structure:
- *  xc_osdep_info_t xc_osdep_info;
- *
- * xc_osdep_init:
- *   Must return a suitable struct xc_osdep_ops pointer or NULL on failure.
- */
-
-#ifndef XC_OSDEP_H
-#define XC_OSDEP_H
-
-/* Tell the Xen public headers we are a user-space tools build. */
-#ifndef __XEN_TOOLS__
-#define __XEN_TOOLS__ 1
-#endif
-
-#include <sys/mman.h>
-#include <sys/types.h>
-
-#include <xen/sys/privcmd.h>
-
-enum xc_osdep_type {
-    XC_OSDEP_PRIVCMD,
-};
-
-/* Opaque handle internal to the backend */
-typedef unsigned long xc_osdep_handle;
-
-#define XC_OSDEP_OPEN_ERROR ((xc_osdep_handle)-1)
-
-struct xc_osdep_ops
-{
-    /* Opens an interface.
-     *
-     * Must return an opaque handle on success or
-     * XC_OSDEP_OPEN_ERROR on failure
-     */
-    xc_osdep_handle (*open)(xc_interface *xch);
-
-    int (*close)(xc_interface *xch, xc_osdep_handle h);
-
-    union {
-        struct {
-            void *(*alloc_hypercall_buffer)(xc_interface *xch, xc_osdep_handle 
h, int npages);
-            void (*free_hypercall_buffer)(xc_interface *xch, xc_osdep_handle 
h, void *ptr, int npages);
-
-            int (*hypercall)(xc_interface *xch, xc_osdep_handle h, 
privcmd_hypercall_t *hypercall);
-
-            void *(*map_foreign_batch)(xc_interface *xch, xc_osdep_handle h, 
uint32_t dom, int prot,
-                                       xen_pfn_t *arr, int num);
-            void *(*map_foreign_bulk)(xc_interface *xch, xc_osdep_handle h, 
uint32_t dom, int prot,
-                                      const xen_pfn_t *arr, int *err, unsigned 
int num);
-            void *(*map_foreign_range)(xc_interface *xch, xc_osdep_handle h, 
uint32_t dom, int size, int prot,
-                                       unsigned long mfn);
-            void *(*map_foreign_ranges)(xc_interface *xch, xc_osdep_handle h, 
uint32_t dom, size_t size, int prot,
-                                        size_t chunksize, privcmd_mmap_entry_t 
entries[],
-                                        int nentries);
-        } privcmd;
-    } u;
-};
-typedef struct xc_osdep_ops xc_osdep_ops;
-
-typedef xc_osdep_ops *(*xc_osdep_init_fn)(xc_interface *xch, enum 
xc_osdep_type);
-
-struct xc_osdep_info
-{
-    /* Describes this backend. */
-    const char *name;
-
-    /* Returns ops function. */
-    xc_osdep_init_fn init;
-
-    /* True if this interface backs onto a fake Xen. */
-    int fake;
-
-    /* For internal use by loader. */
-    void *dl_handle;
-};
-typedef struct xc_osdep_info xc_osdep_info_t;
-
-/* All backends, including the builtin backend, must supply this structure. */
-extern xc_osdep_info_t xc_osdep_info;
-
-/* Stub for not yet converted OSes */
-void *xc_map_foreign_bulk_compat(xc_interface *xch, xc_osdep_handle h,
-                                 uint32_t dom, int prot,
-                                 const xen_pfn_t *arr, int *err, unsigned int 
num);
-
-/* Report errors through xc_interface */
-void xc_osdep_log(xc_interface *xch, xentoollog_level level, int code,
-                  const char *fmt, ...) __attribute__((format(printf, 4, 5)));
-
-#endif
-
-/*
- * Local variables:
- * mode: C
- * c-file-style: "BSD"
- * c-basic-offset: 4
- * tab-width: 4
- * indent-tabs-mode: nil
- * End:
- */
diff --git a/tools/libxc/xc_foreign_memory.c b/tools/libxc/xc_foreign_memory.c
index f42d140..9c705b6 100644
--- a/tools/libxc/xc_foreign_memory.c
+++ b/tools/libxc/xc_foreign_memory.c
@@ -50,37 +50,8 @@ void *xc_map_foreign_pages(xc_interface *xch, uint32_t dom, 
int prot,
     return res;
 }
 
-void *xc_map_foreign_range(xc_interface *xch, uint32_t dom,
-                           int size, int prot, unsigned long mfn)
-{
-    return xch->ops->u.privcmd.map_foreign_range(xch, xch->ops_handle,
-                                                 dom, size, prot, mfn);
-}
-
-void *xc_map_foreign_ranges(xc_interface *xch, uint32_t dom,
-                            size_t size, int prot, size_t chunksize,
-                            privcmd_mmap_entry_t entries[], int nentries)
-{
-    return xch->ops->u.privcmd.map_foreign_ranges(xch, xch->ops_handle,
-                                                  dom, size, prot, chunksize, 
entries, nentries);
-}
-
-void *xc_map_foreign_batch(xc_interface *xch, uint32_t dom, int prot,
-                           xen_pfn_t *arr, int num)
-{
-    return xch->ops->u.privcmd.map_foreign_batch(xch, xch->ops_handle,
-                                                 dom, prot, arr, num);
-}
-
-void *xc_map_foreign_bulk(xc_interface *xch, uint32_t dom, int prot,
-                          const xen_pfn_t *arr, int *err, unsigned int num)
-{
-    return xch->ops->u.privcmd.map_foreign_bulk(xch, xch->ops_handle,
-                                                dom, prot, arr, err, num);
-}
-
 /* stub for all not yet converted OSes */
-void *xc_map_foreign_bulk_compat(xc_interface *xch, xc_osdep_handle h,
+void *xc_map_foreign_bulk_compat(xc_interface *xch,
                                  uint32_t dom, int prot,
                                  const xen_pfn_t *arr, int *err, unsigned int 
num)
 {
diff --git a/tools/libxc/xc_freebsd_osdep.c b/tools/libxc/xc_freebsd_osdep.c
index 339997c..f6a2ccd 100644
--- a/tools/libxc/xc_freebsd_osdep.c
+++ b/tools/libxc/xc_freebsd_osdep.c
@@ -32,16 +32,12 @@
 
 #include <xen/memory.h>
 
-#include "xenctrl.h"
-#include "xenctrlosdep.h"
+#include "xc_private.h"
 
 #define PRIVCMD_DEV     "/dev/xen/privcmd"
 
-#define PERROR(_m, _a...) xc_osdep_log(xch,XTL_ERROR,XC_INTERNAL_ERROR,_m \
-                  " (%d = %s)", ## _a , errno, xc_strerror(xch, errno))
-
 /*------------------------- Privcmd device interface 
-------------------------*/
-static xc_osdep_handle freebsd_privcmd_open(xc_interface *xch)
+int osdep_privcmd_open(xc_interface *xch)
 {
     int flags, saved_errno;
     int fd = open(PRIVCMD_DEV, O_RDWR);
@@ -50,7 +46,7 @@ static xc_osdep_handle freebsd_privcmd_open(xc_interface *xch)
     {
         PERROR("Could not obtain handle on privileged command interface "
                PRIVCMD_DEV);
-        return XC_OSDEP_OPEN_ERROR;
+        return -1
     }
 
     /*
@@ -73,27 +69,27 @@ static xc_osdep_handle freebsd_privcmd_open(xc_interface 
*xch)
         goto error;
     }
 
-    return (xc_osdep_handle)fd;
+    xch->privcmdfd = fd;
+    return 0;
 
  error:
     saved_errno = errno;
     close(fd);
     errno = saved_errno;
 
-    return XC_OSDEP_OPEN_ERROR;
+    return -1;
 }
 
-static int freebsd_privcmd_close(xc_interface *xch, xc_osdep_handle h)
+int osdep_privcmd_close(xc_interface *xch)
 {
-    int fd = (int)h;
-
+    int fd = xch->privcmdfd;
+    if ( fd == -1 )
+        return 0;
     return close(fd);
 }
 
 /*------------------------ Privcmd hypercall interface 
-----------------------*/
-static void *freebsd_privcmd_alloc_hypercall_buffer(xc_interface *xch,
-                                                    xc_osdep_handle h,
-                                                    int npages)
+void *osdep_alloc_hypercall_buffer(xc_interface *xch, int npages)
 {
     size_t size = npages * XC_PAGE_SIZE;
     void *p;
@@ -117,9 +113,7 @@ static void 
*freebsd_privcmd_alloc_hypercall_buffer(xc_interface *xch,
     return p;
 }
 
-static void freebsd_privcmd_free_hypercall_buffer(xc_interface *xch,
-                                                  xc_osdep_handle h, void *ptr,
-                                                  int npages)
+void osdep_free_hypercall_buffer(xc_interface *xch, void *ptr, int npages)
 {
 
     int saved_errno = errno;
@@ -131,10 +125,9 @@ static void 
freebsd_privcmd_free_hypercall_buffer(xc_interface *xch,
     errno = saved_errno;
 }
 
-static int freebsd_privcmd_hypercall(xc_interface *xch, xc_osdep_handle h,
-                                     privcmd_hypercall_t *hypercall)
+int do_xen_hypercall(xc_interface *xch, privcmd_hypercall_t *hypercall)
 {
-    int fd = (int)h;
+    int fd = xch->privcmdfd;
     int ret;
 
     ret = ioctl(fd, IOCTL_PRIVCMD_HYPERCALL, hypercall);
@@ -143,13 +136,12 @@ static int freebsd_privcmd_hypercall(xc_interface *xch, 
xc_osdep_handle h,
 }
 
 /*----------------------- Privcmd foreign map interface 
----------------------*/
-static void *freebsd_privcmd_map_foreign_bulk(xc_interface *xch,
-                                               xc_osdep_handle h,
-                                               uint32_t dom, int prot,
-                                               const xen_pfn_t *arr, int *err,
-                                               unsigned int num)
+void *xc_map_foreign_bulk(xc_interface *xch,
+                          uint32_t dom, int prot,
+                          const xen_pfn_t *arr, int *err,
+                          unsigned int num)
 {
-    int fd = (int)h;
+    int fd = xch->privcmdfd;
     privcmd_mmapbatch_t ioctlx;
     void *addr;
     int rc;
@@ -180,10 +172,9 @@ static void *freebsd_privcmd_map_foreign_bulk(xc_interface 
*xch,
     return addr;
 }
 
-static void *freebsd_privcmd_map_foreign_range(xc_interface *xch,
-                                               xc_osdep_handle h,
-                                               uint32_t dom, int size, int 
prot,
-                                               unsigned long mfn)
+void *xc_map_foreign_range(xc_interface *xch,
+                           uint32_t dom, int size, int prot,
+                           unsigned long mfn)
 {
     xen_pfn_t *arr;
     int num;
@@ -203,12 +194,11 @@ static void 
*freebsd_privcmd_map_foreign_range(xc_interface *xch,
     return ret;
 }
 
-static void *freebsd_privcmd_map_foreign_ranges(xc_interface *xch,
-                                                xc_osdep_handle h,
-                                                uint32_t dom, size_t size,
-                                                int prot, size_t chunksize,
-                                                privcmd_mmap_entry_t entries[],
-                                                int nentries)
+void *xc_map_foreign_ranges(xc_interface *xch,
+                            uint32_t dom, size_t size,
+                            int prot, size_t chunksize,
+                            privcmd_mmap_entry_t entries[],
+                            int nentries)
 {
     xen_pfn_t *arr;
     int num_per_entry;
@@ -232,42 +222,6 @@ static void 
*freebsd_privcmd_map_foreign_ranges(xc_interface *xch,
     return ret;
 }
 
-/*----------------------------- Privcmd handlers 
-----------------------------*/
-static struct xc_osdep_ops freebsd_privcmd_ops = {
-    .open = &freebsd_privcmd_open,
-    .close = &freebsd_privcmd_close,
-
-    .u.privcmd = {
-        .alloc_hypercall_buffer = &freebsd_privcmd_alloc_hypercall_buffer,
-        .free_hypercall_buffer = &freebsd_privcmd_free_hypercall_buffer,
-
-        .hypercall = &freebsd_privcmd_hypercall,
-
-        .map_foreign_bulk = &freebsd_privcmd_map_foreign_bulk,
-        .map_foreign_range = &freebsd_privcmd_map_foreign_range,
-        .map_foreign_ranges = &freebsd_privcmd_map_foreign_ranges,
-    },
-};
-
-/*---------------------------- FreeBSD interface 
-----------------------------*/
-static struct xc_osdep_ops *
-freebsd_osdep_init(xc_interface *xch, enum xc_osdep_type type)
-{
-    switch ( type )
-    {
-    case XC_OSDEP_PRIVCMD:
-        return &freebsd_privcmd_ops;
-    default:
-        return NULL;
-    }
-}
-
-xc_osdep_info_t xc_osdep_info = {
-    .name = "FreeBSD Native OS interface",
-    .init = &freebsd_osdep_init,
-    .fake = 0,
-};
-
 /*
  * Local variables:
  * mode: C
diff --git a/tools/libxc/xc_hcall_buf.c b/tools/libxc/xc_hcall_buf.c
index 4f4444c..517b5b4 100644
--- a/tools/libxc/xc_hcall_buf.c
+++ b/tools/libxc/xc_hcall_buf.c
@@ -122,7 +122,7 @@ void xc__hypercall_buffer_cache_release(xc_interface *xch)
     while ( xch->hypercall_buffer_cache_nr > 0 )
     {
         p = xch->hypercall_buffer_cache[--xch->hypercall_buffer_cache_nr];
-        xch->ops->u.privcmd.free_hypercall_buffer(xch, xch->ops_handle, p, 1);
+        osdep_free_hypercall_buffer(xch, p, 1);
     }
 
     hypercall_buffer_cache_unlock(xch);
@@ -133,7 +133,7 @@ void *xc__hypercall_buffer_alloc_pages(xc_interface *xch, 
xc_hypercall_buffer_t
     void *p = hypercall_buffer_cache_alloc(xch, nr_pages);
 
     if ( !p )
-        p = xch->ops->u.privcmd.alloc_hypercall_buffer(xch, xch->ops_handle, 
nr_pages);
+        p = osdep_alloc_hypercall_buffer(xch, nr_pages);
 
     if (!p)
         return NULL;
@@ -151,7 +151,7 @@ void xc__hypercall_buffer_free_pages(xc_interface *xch, 
xc_hypercall_buffer_t *b
         return;
 
     if ( !hypercall_buffer_cache_free(xch, b->hbuf, nr_pages) )
-        xch->ops->u.privcmd.free_hypercall_buffer(xch, xch->ops_handle, 
b->hbuf, nr_pages);
+        osdep_free_hypercall_buffer(xch, b->hbuf, nr_pages);
 }
 
 struct allocation_header {
diff --git a/tools/libxc/xc_linux_osdep.c b/tools/libxc/xc_linux_osdep.c
index 9c318e0..9f4c707 100644
--- a/tools/libxc/xc_linux_osdep.c
+++ b/tools/libxc/xc_linux_osdep.c
@@ -33,13 +33,12 @@
 #include <xen/memory.h>
 
 #include "xenctrl.h"
-#include "xenctrlosdep.h"
 
 #include "xc_private.h"
 
 #define ROUNDUP(_x,_w) (((unsigned long)(_x)+(1UL<<(_w))-1) & ~((1UL<<(_w))-1))
 
-static xc_osdep_handle linux_privcmd_open(xc_interface *xch)
+int osdep_privcmd_open(xc_interface *xch)
 {
     int flags, saved_errno;
     int fd = open("/dev/xen/privcmd", O_RDWR); /* prefer this newer interface 
*/
@@ -53,7 +52,7 @@ static xc_osdep_handle linux_privcmd_open(xc_interface *xch)
     if ( fd == -1 )
     {
         PERROR("Could not obtain handle on privileged command interface");
-        return XC_OSDEP_OPEN_ERROR;
+        return -1;
     }
 
     /* Although we return the file handle as the 'xc handle' the API
@@ -74,22 +73,25 @@ static xc_osdep_handle linux_privcmd_open(xc_interface *xch)
         goto error;
     }
 
-    return (xc_osdep_handle)fd;
+    xch->privcmdfd = fd;
+    return 0;
 
  error:
     saved_errno = errno;
     close(fd);
     errno = saved_errno;
-    return XC_OSDEP_OPEN_ERROR;
+    return -1;
 }
 
-static int linux_privcmd_close(xc_interface *xch, xc_osdep_handle h)
+int osdep_privcmd_close(xc_interface *xch)
 {
-    int fd = (int)h;
+    int fd = xch->privcmdfd;
+    if (fd == -1)
+        return 0;
     return close(fd);
 }
 
-static void *linux_privcmd_alloc_hypercall_buffer(xc_interface *xch, 
xc_osdep_handle h, int npages)
+void *osdep_alloc_hypercall_buffer(xc_interface *xch, int npages)
 {
     size_t size = npages * XC_PAGE_SIZE;
     void *p;
@@ -121,7 +123,7 @@ out:
     return NULL;
 }
 
-static void linux_privcmd_free_hypercall_buffer(xc_interface *xch, 
xc_osdep_handle h, void *ptr, int npages)
+void osdep_free_hypercall_buffer(xc_interface *xch, void *ptr, int npages)
 {
     int saved_errno = errno;
     /* Recover the VMA flags. Maybe it's not necessary */
@@ -132,9 +134,9 @@ static void 
linux_privcmd_free_hypercall_buffer(xc_interface *xch, xc_osdep_hand
     errno = saved_errno;
 }
 
-static int linux_privcmd_hypercall(xc_interface *xch, xc_osdep_handle h, 
privcmd_hypercall_t *hypercall)
+int do_xen_hypercall(xc_interface *xch, privcmd_hypercall_t *hypercall)
 {
-    int fd = (int)h;
+    int fd = xch->privcmdfd;
     return ioctl(fd, IOCTL_PRIVCMD_HYPERCALL, hypercall);
 }
 
@@ -160,11 +162,11 @@ static int xc_map_foreign_batch_single(int fd, uint32_t 
dom,
     return rc;
 }
 
-static void *linux_privcmd_map_foreign_batch(xc_interface *xch, 
xc_osdep_handle h,
-                                             uint32_t dom, int prot,
-                                             xen_pfn_t *arr, int num)
+void *xc_map_foreign_batch(xc_interface *xch,
+                           uint32_t dom, int prot,
+                           xen_pfn_t *arr, int num)
 {
-    int fd = (int)h;
+    int fd = xch->privcmdfd;
     privcmd_mmapbatch_t ioctlx;
     void *addr;
     int rc;
@@ -266,11 +268,11 @@ out:
     return rc;
 }
 
-static void *linux_privcmd_map_foreign_bulk(xc_interface *xch, xc_osdep_handle 
h,
-                                            uint32_t dom, int prot,
-                                            const xen_pfn_t *arr, int *err, 
unsigned int num)
+void *xc_map_foreign_bulk(xc_interface *xch,
+                          uint32_t dom, int prot,
+                          const xen_pfn_t *arr, int *err, unsigned int num)
 {
-    int fd = (int)h;
+    int fd = xch->privcmdfd;
     privcmd_mmapbatch_v2_t ioctlx;
     void *addr;
     unsigned int i;
@@ -390,9 +392,9 @@ static void *linux_privcmd_map_foreign_bulk(xc_interface 
*xch, xc_osdep_handle h
     return addr;
 }
 
-static void *linux_privcmd_map_foreign_range(xc_interface *xch, 
xc_osdep_handle h,
-                                             uint32_t dom, int size, int prot,
-                                             unsigned long mfn)
+void *xc_map_foreign_range(xc_interface *xch,
+                           uint32_t dom, int size, int prot,
+                           unsigned long mfn)
 {
     xen_pfn_t *arr;
     int num;
@@ -412,10 +414,10 @@ static void *linux_privcmd_map_foreign_range(xc_interface 
*xch, xc_osdep_handle
     return ret;
 }
 
-static void *linux_privcmd_map_foreign_ranges(xc_interface *xch, 
xc_osdep_handle h,
-                                              uint32_t dom, size_t size, int 
prot,
-                                              size_t chunksize, 
privcmd_mmap_entry_t entries[],
-                                              int nentries)
+void *xc_map_foreign_ranges(xc_interface *xch,
+                            uint32_t dom, size_t size, int prot,
+                            size_t chunksize, privcmd_mmap_entry_t entries[],
+                            int nentries)
 {
     xen_pfn_t *arr;
     int num_per_entry;
@@ -439,40 +441,6 @@ static void *linux_privcmd_map_foreign_ranges(xc_interface 
*xch, xc_osdep_handle
     return ret;
 }
 
-static struct xc_osdep_ops linux_privcmd_ops = {
-    .open = &linux_privcmd_open,
-    .close = &linux_privcmd_close,
-
-    .u.privcmd = {
-        .alloc_hypercall_buffer = &linux_privcmd_alloc_hypercall_buffer,
-        .free_hypercall_buffer = &linux_privcmd_free_hypercall_buffer,
-
-        .hypercall = &linux_privcmd_hypercall,
-
-        .map_foreign_batch = &linux_privcmd_map_foreign_batch,
-        .map_foreign_bulk = &linux_privcmd_map_foreign_bulk,
-        .map_foreign_range = &linux_privcmd_map_foreign_range,
-        .map_foreign_ranges = &linux_privcmd_map_foreign_ranges,
-    },
-};
-
-static struct xc_osdep_ops *linux_osdep_init(xc_interface *xch, enum 
xc_osdep_type type)
-{
-    switch ( type )
-    {
-    case XC_OSDEP_PRIVCMD:
-        return &linux_privcmd_ops;
-    default:
-        return NULL;
-    }
-}
-
-xc_osdep_info_t xc_osdep_info = {
-    .name = "Linux Native OS interface",
-    .init = &linux_osdep_init,
-    .fake = 0,
-};
-
 /*
  * Local variables:
  * mode: C
diff --git a/tools/libxc/xc_minios.c b/tools/libxc/xc_minios.c
index 22d985c..047e13b 100644
--- a/tools/libxc/xc_minios.c
+++ b/tools/libxc/xc_minios.c
@@ -39,19 +39,20 @@ void minios_interface_close_fd(int fd);
 
 extern void minios_interface_close_fd(int fd);
 
-static xc_osdep_handle minios_privcmd_open(xc_interface *xch)
+int osdep_privcmd_open(xc_interface *xch)
 {
     int fd = alloc_fd(FTYPE_XC);
 
     if ( fd == -1)
-        return XC_OSDEP_OPEN_ERROR;
+        return -1;
 
-    return (xc_osdep_handle)fd;
+    xch->privcmdfd = fd;
+    return 0;
 }
 
-static int minios_privcmd_close(xc_interface *xch, xc_osdep_handle h)
+int osdep_privcmd_close(xc_interface *xch)
 {
-    int fd = (int)h;
+    int fd = xch->privcmdfd;
     return close(fd);
 }
 
@@ -60,17 +61,17 @@ void minios_interface_close_fd(int fd)
     files[fd].type = FTYPE_NONE;
 }
 
-static void *minios_privcmd_alloc_hypercall_buffer(xc_interface *xch, 
xc_osdep_handle h, int npages)
+void *osdep_alloc_hypercall_buffer(xc_interface *xch, int npages)
 {
     return xc_memalign(xch, PAGE_SIZE, npages * PAGE_SIZE);
 }
 
-static void minios_privcmd_free_hypercall_buffer(xc_interface *xch, 
xc_osdep_handle h, void *ptr, int npages)
+void osdep_free_hypercall_buffer(xc_interface *xch, void *ptr, int npages)
 {
     free(ptr);
 }
 
-static int minios_privcmd_hypercall(xc_interface *xch, xc_osdep_handle h, 
privcmd_hypercall_t *hypercall)
+int do_xen_hypercall(xc_interface *xch, privcmd_hypercall_t *hypercall)
 {
     multicall_entry_t call;
     int i, ret;
@@ -92,21 +93,21 @@ static int minios_privcmd_hypercall(xc_interface *xch, 
xc_osdep_handle h, privcm
     return call.result;
 }
 
-static void *minios_privcmd_map_foreign_bulk(xc_interface *xch, 
xc_osdep_handle h,
-                                             uint32_t dom, int prot,
-                                             const xen_pfn_t *arr, int *err, 
unsigned int num)
+void *xc_map_foreign_bulk(xc_interface *xch,
+                          uint32_t dom, int prot,
+                          const xen_pfn_t *arr, int *err, unsigned int num)
 {
     unsigned long pt_prot = 0;
     if (prot & PROT_READ)
        pt_prot = L1_PROT_RO;
     if (prot & PROT_WRITE)
        pt_prot = L1_PROT;
-    return map_frames_ex(arr, num, 1, 0, 1, dom, err, pt_prot);    
+    return map_frames_ex(arr, num, 1, 0, 1, dom, err, pt_prot);
 }
 
-static void *minios_privcmd_map_foreign_batch(xc_interface *xch,  
xc_osdep_handle h,
-                                              uint32_t dom, int prot,
-                                              xen_pfn_t *arr, int num)
+void *xc_map_foreign_batch(xc_interface *xch,
+                           uint32_t dom, int prot,
+                           xen_pfn_t *arr, int num)
 {
     unsigned long pt_prot = 0;
     int err[num];
@@ -126,10 +127,10 @@ static void 
*minios_privcmd_map_foreign_batch(xc_interface *xch,  xc_osdep_handl
     return (void *) addr;
 }
 
-static void *minios_privcmd_map_foreign_range(xc_interface *xch, 
xc_osdep_handle h,
-                                              uint32_t dom,
-                                              int size, int prot,
-                                              unsigned long mfn)
+void *xc_map_foreign_range(xc_interface *xch,
+                           uint32_t dom,
+                           int size, int prot,
+                           unsigned long mfn)
 {
     unsigned long pt_prot = 0;
 
@@ -142,10 +143,10 @@ static void 
*minios_privcmd_map_foreign_range(xc_interface *xch, xc_osdep_handle
     return map_frames_ex(&mfn, size / getpagesize(), 0, 1, 1, dom, NULL, 
pt_prot);
 }
 
-static void *minios_privcmd_map_foreign_ranges(xc_interface *xch, 
xc_osdep_handle h,
-                                               uint32_t dom,
-                                               size_t size, int prot, size_t 
chunksize,
-                                               privcmd_mmap_entry_t entries[], 
int nentries)
+void *xc_map_foreign_ranges(xc_interface *xch,
+                            uint32_t dom,
+                            size_t size, int prot, size_t chunksize,
+                            privcmd_mmap_entry_t entries[], int nentries)
 {
     unsigned long *mfns;
     int i, j, n;
@@ -169,24 +170,6 @@ static void 
*minios_privcmd_map_foreign_ranges(xc_interface *xch, xc_osdep_handl
     return ret;
 }
 
-
-static struct xc_osdep_ops minios_privcmd_ops = {
-    .open = &minios_privcmd_open,
-    .close = &minios_privcmd_close,
-
-    .u.privcmd = {
-        .alloc_hypercall_buffer = &minios_privcmd_alloc_hypercall_buffer,
-        .free_hypercall_buffer = &minios_privcmd_free_hypercall_buffer,
-
-        .hypercall = &minios_privcmd_hypercall,
-
-        .map_foreign_batch = &minios_privcmd_map_foreign_batch,
-        .map_foreign_bulk = &minios_privcmd_map_foreign_bulk,
-        .map_foreign_range = &minios_privcmd_map_foreign_range,
-        .map_foreign_ranges = &minios_privcmd_map_foreign_ranges,
-    },
-};
-
 /* Optionally flush file to disk and discard page cache */
 void discard_file_cache(xc_interface *xch, int fd, int flush)
 {
@@ -199,23 +182,6 @@ void *xc_memalign(xc_interface *xch, size_t alignment, 
size_t size)
     return memalign(alignment, size);
 }
 
-static struct xc_osdep_ops *minios_osdep_init(xc_interface *xch, enum 
xc_osdep_type type)
-{
-    switch ( type )
-    {
-    case XC_OSDEP_PRIVCMD:
-        return &minios_privcmd_ops;
-    default:
-        return NULL;
-    }
-}
-
-xc_osdep_info_t xc_osdep_info = {
-    .name = "Minios Native OS interface",
-    .init = &minios_osdep_init,
-    .fake = 0,
-};
-
 /*
  * Local variables:
  * mode: C
diff --git a/tools/libxc/xc_netbsd.c b/tools/libxc/xc_netbsd.c
index fe4f0a1..9abb3b6 100644
--- a/tools/libxc/xc_netbsd.c
+++ b/tools/libxc/xc_netbsd.c
@@ -24,7 +24,7 @@
 #include <malloc.h>
 #include <sys/mman.h>
 
-static xc_osdep_handle netbsd_privcmd_open(xc_interface *xch)
+int osdep_privcmd_open(xc_interface *xch)
 {
     int flags, saved_errno;
     int fd = open("/kern/xen/privcmd", O_RDWR);
@@ -32,7 +32,7 @@ static xc_osdep_handle netbsd_privcmd_open(xc_interface *xch)
     if ( fd == -1 )
     {
         PERROR("Could not obtain handle on privileged command interface");
-        return XC_OSDEP_OPEN_ERROR;
+        return -1;
     }
 
     /* Although we return the file handle as the 'xc handle' the API
@@ -51,22 +51,23 @@ static xc_osdep_handle netbsd_privcmd_open(xc_interface 
*xch)
         goto error;
     }
 
-    return (xc_osdep_handle)fd;
+    xch->privcmdfd = fd;
+    return 0;
 
  error:
     saved_errno = errno;
     close(fd);
     errno = saved_errno;
-    return XC_OSDEP_OPEN_ERROR;
+    return -1;
 }
 
-static int netbsd_privcmd_close(xc_interface *xch, xc_osdep_handle h)
+int osdep_privcmd_close(xc_interface *xch)
 {
-    int fd = (int)h;
+    int fd = xch->privcmdfd;
     return close(fd);
 }
 
-static void *netbsd_privcmd_alloc_hypercall_buffer(xc_interface *xch, 
xc_osdep_handle h, int npages)
+void *osdep_alloc_hypercall_buffer(xc_interface *xch, int npages)
 {
     size_t size = npages * XC_PAGE_SIZE;
     void *p;
@@ -83,15 +84,15 @@ static void 
*netbsd_privcmd_alloc_hypercall_buffer(xc_interface *xch, xc_osdep_h
     return p;
 }
 
-static void netbsd_privcmd_free_hypercall_buffer(xc_interface *xch, 
xc_osdep_handle h, void *ptr, int npages)
+void osdep_free_hypercall_buffer(xc_interface *xch, void *ptr, int npages)
 {
     (void) munlock(ptr, npages * XC_PAGE_SIZE);
     free(ptr);
 }
 
-static int netbsd_privcmd_hypercall(xc_interface *xch, xc_osdep_handle h, 
privcmd_hypercall_t *hypercall)
+int do_xen_hypercall(xc_interface *xch, privcmd_hypercall_t *hypercall)
 {
-    int fd = (int)h;
+    int fd = xch->privcmdfd;
     int error = ioctl(fd, IOCTL_PRIVCMD_HYPERCALL, hypercall);
 
     /*
@@ -106,11 +107,18 @@ static int netbsd_privcmd_hypercall(xc_interface *xch, 
xc_osdep_handle h, privcm
         return hypercall->retval;
 }
 
-static void *netbsd_privcmd_map_foreign_batch(xc_interface *xch, 
xc_osdep_handle h,
-                                              uint32_t dom, int prot,
-                                              xen_pfn_t *arr, int num)
+void *xc_map_foreign_bulk(xc_interface *xch,
+                          uint32_t dom, int prot,
+                          const xen_pfn_t *arr, int *err, unsigned int num)
 {
-    int fd = (int)h;
+    return xc_map_foreign_bulk_compat(xch, dom, prot, arr, err, num);
+}
+
+void *xc_map_foreign_batch(xc_interface *xch,
+                           uint32_t dom, int prot,
+                           xen_pfn_t *arr, int num)
+{
+    int fd = xch->privcmdfd;
     privcmd_mmapbatch_t ioctlx;
     void *addr;
     addr = mmap(NULL, num*XC_PAGE_SIZE, prot, MAP_ANON | MAP_SHARED, -1, 0);
@@ -135,12 +143,12 @@ static void 
*netbsd_privcmd_map_foreign_batch(xc_interface *xch, xc_osdep_handle
 
 }
 
-static void *netbsd_privcmd_map_foreign_range(xc_interface *xch, 
xc_osdep_handle h,
-                                              uint32_t dom,
-                                              int size, int prot,
-                                              unsigned long mfn)
+void *xc_map_foreign_range(xc_interface *xch,
+                           uint32_t dom,
+                           int size, int prot,
+                           unsigned long mfn)
 {
-    int fd = (int)h;
+    int fd = xch->privcmdfd;
     privcmd_mmap_t ioctlx;
     privcmd_mmap_entry_t entry;
     void *addr;
@@ -167,12 +175,12 @@ static void 
*netbsd_privcmd_map_foreign_range(xc_interface *xch, xc_osdep_handle
     return addr;
 }
 
-static void *netbsd_privcmd_map_foreign_ranges(xc_interface *xch, 
xc_osdep_handle h,
-                                               uint32_t dom,
-                                               size_t size, int prot, size_t 
chunksize,
-                                               privcmd_mmap_entry_t entries[], 
int nentries)
+void *xc_map_foreign_ranges(xc_interface *xch,
+                            uint32_t dom,
+                            size_t size, int prot, size_t chunksize,
+                            privcmd_mmap_entry_t entries[], int nentries)
 {
-    int fd = (int)h;
+    int fd = xch->privcmdfd;
        privcmd_mmap_t ioctlx;
        int i, rc;
        void *addr;
@@ -205,23 +213,6 @@ mmap_failed:
        return NULL;
 }
 
-static struct xc_osdep_ops netbsd_privcmd_ops = {
-    .open = &netbsd_privcmd_open,
-    .close = &netbsd_privcmd_close,
-
-    .u.privcmd = {
-        .alloc_hypercall_buffer = &netbsd_privcmd_alloc_hypercall_buffer,
-        .free_hypercall_buffer = &netbsd_privcmd_free_hypercall_buffer,
-
-        .hypercall = &netbsd_privcmd_hypercall,
-
-        .map_foreign_batch = &netbsd_privcmd_map_foreign_batch,
-        .map_foreign_bulk = &xc_map_foreign_bulk_compat,
-        .map_foreign_range = &netbsd_privcmd_map_foreign_range,
-        .map_foreign_ranges = &netbsd_privcmd_map_foreign_ranges,
-    },
-};
-
 /* Optionally flush file to disk and discard page cache */
 void discard_file_cache(xc_interface *xch, int fd, int flush) 
 {
@@ -262,23 +253,6 @@ void *xc_memalign(xc_interface *xch, size_t alignment, 
size_t size)
     return valloc(size);
 }
 
-static struct xc_osdep_ops *netbsd_osdep_init(xc_interface *xch, enum 
xc_osdep_type type)
-{
-    switch ( type )
-    {
-    case XC_OSDEP_PRIVCMD:
-        return &netbsd_privcmd_ops;
-    default:
-        return NULL;
-    }
-}
-
-xc_osdep_info_t xc_osdep_info = {
-    .name = "Netbsd Native OS interface",
-    .init = &netbsd_osdep_init,
-    .fake = 0,
-};
-
 /*
  * Local variables:
  * mode: C
diff --git a/tools/libxc/xc_private.c b/tools/libxc/xc_private.c
index 85e6f02..de5873e 100644
--- a/tools/libxc/xc_private.c
+++ b/tools/libxc/xc_private.c
@@ -26,111 +26,12 @@
 #include <pthread.h>
 #include <assert.h>
 
-#ifndef __MINIOS__
-#include <dlfcn.h>
-#endif
-
-#define XENCTRL_OSDEP "XENCTRL_OSDEP"
-
-#if !defined (__MINIOS__) && !defined(__RUMPUSER_XEN__) && 
!defined(__RUMPRUN__)
-#define DO_DYNAMIC_OSDEP
-#endif
-
-/*
- * Returns a (shallow) copy of the xc_osdep_info_t for the
- * active OS interface.
- *
- * On success a handle to the relevant library is opened.  The user
- * must subsequently call xc_osdep_put_info() when it is
- * finished with the library.
- *
- * Logs IFF xch != NULL.
- *
- * Returns:
- *  0 - on success
- * -1 - on error
- */
-static int xc_osdep_get_info(xc_interface *xch, xc_osdep_info_t *info)
-{
-    int rc = -1;
-#ifdef DO_DYNAMIC_OSDEP
-    const char *lib = getenv(XENCTRL_OSDEP);
-    xc_osdep_info_t *pinfo;
-    void *dl_handle = NULL;
-
-    if ( lib != NULL )
-    {
-        if ( getuid() != geteuid() )
-        {
-            if ( xch ) ERROR("cannot use %s=%s with setuid application", 
XENCTRL_OSDEP, lib);
-            abort();
-        }
-        if ( getgid() != getegid() )
-        {
-            if ( xch ) ERROR("cannot use %s=%s with setgid application", 
XENCTRL_OSDEP, lib);
-            abort();
-        }
-
-        dl_handle = dlopen(lib, RTLD_LAZY|RTLD_LOCAL);
-        if ( !dl_handle )
-        {
-            if ( xch ) ERROR("unable to open osdep library %s: %s", lib, 
dlerror());
-            goto out;
-        }
-
-        pinfo = dlsym(dl_handle, "xc_osdep_info");
-        if ( !pinfo )
-        {
-            if ( xch ) ERROR("unable to find xc_osinteface_info in %s: %s", 
lib, dlerror());
-            goto out;
-        }
-
-        *info = *pinfo;
-        info->dl_handle = dl_handle;
-    }
-    else
-#endif /*DO_DYNAMIC_OSDEP*/
-    {
-        *info = xc_osdep_info;
-        info->dl_handle = NULL;
-    }
-
-    rc = 0;
-
-#ifdef DO_DYNAMIC_OSDEP
-out:
-    if ( dl_handle && rc == -1 )
-        dlclose(dl_handle);
-#endif /*DO_DYNAMIC_OSDEP*/
-
-    return rc;
-}
-
-static void xc_osdep_put(xc_osdep_info_t *info)
-{
-#ifdef DO_DYNAMIC_OSDEP
-    if ( info->dl_handle )
-        dlclose(info->dl_handle);
-#endif /*DO_DYNAMIC_OSDEP*/
-}
-
-static const char *xc_osdep_type_name(enum xc_osdep_type type)
-{
-    switch ( type )
-    {
-    case XC_OSDEP_PRIVCMD: return "privcmd";
-    }
-    return "unknown";
-}
-
-static struct xc_interface_core *xc_interface_open_common(xentoollog_logger 
*logger,
-                                                          xentoollog_logger 
*dombuild_logger,
-                                                          unsigned open_flags,
-                                                          enum xc_osdep_type 
type)
+struct xc_interface_core *xc_interface_open(xentoollog_logger *logger,
+                                            xentoollog_logger *dombuild_logger,
+                                            unsigned open_flags)
 {
     struct xc_interface_core xch_buf, *xch = &xch_buf;
 
-    xch->type = type;
     xch->flags = open_flags;
     xch->dombuild_logger_file = 0;
     xc_clear_last_error(xch);
@@ -148,9 +49,6 @@ static struct xc_interface_core 
*xc_interface_open_common(xentoollog_logger *log
     xch->hypercall_buffer_cache_misses = 0;
     xch->hypercall_buffer_cache_toobig = 0;
 
-    xch->ops_handle = XC_OSDEP_OPEN_ERROR;
-    xch->ops = NULL;
-
     if (!xch->error_handler) {
         xch->error_handler = xch->error_handler_tofree =
             (xentoollog_logger*)
@@ -168,40 +66,26 @@ static struct xc_interface_core 
*xc_interface_open_common(xentoollog_logger *log
     *xch = xch_buf;
 
     if (!(open_flags & XC_OPENFLAG_DUMMY)) {
-        if ( xc_osdep_get_info(xch, &xch->osdep) < 0 )
+        if ( osdep_privcmd_open(xch) < 0 )
             goto err;
-
-        xch->ops = xch->osdep.init(xch, type);
-        if ( xch->ops == NULL )
-        {
-            DPRINTF("OSDEP: interface %d (%s) not supported on this platform",
-                  type, xc_osdep_type_name(type));
-            goto err_put_iface;
-        }
-
-        xch->ops_handle = xch->ops->open(xch);
-        if (xch->ops_handle == XC_OSDEP_OPEN_ERROR)
-            goto err_put_iface;
     }
 
     return xch;
 
-err_put_iface:
-    xc_osdep_put(&xch->osdep);
  err:
     xtl_logger_destroy(xch->error_handler_tofree);
     if (xch != &xch_buf) free(xch);
     return NULL;
 }
 
-static int xc_interface_close_common(xc_interface *xch)
+int xc_interface_close(xc_interface *xch)
 {
     int rc = 0;
 
     if (!xch)
-       return 0;
+        return 0;
 
-    rc = xch->ops->close(xch, xch->ops_handle);
+    rc = osdep_privcmd_close(xch);
     if (rc) PERROR("Could not close hypervisor interface");
 
     xc__hypercall_buffer_cache_release(xch);
@@ -213,42 +97,6 @@ static int xc_interface_close_common(xc_interface *xch)
     return rc;
 }
 
-int xc_interface_is_fake(void)
-{
-    xc_osdep_info_t info;
-
-    if ( xc_osdep_get_info(NULL, &info) < 0 )
-        return -1;
-
-    /* Have a copy of info so can release the interface now. */
-    xc_osdep_put(&info);
-
-    return info.fake;
-}
-
-xc_interface *xc_interface_open(xentoollog_logger *logger,
-                                xentoollog_logger *dombuild_logger,
-                                unsigned open_flags)
-{
-    xc_interface *xch;
-
-    xch = xc_interface_open_common(logger, dombuild_logger, open_flags,
-                                   XC_OSDEP_PRIVCMD);
-
-    return xch;
-}
-
-int xc_interface_close(xc_interface *xch)
-{
-    return xc_interface_close_common(xch);
-}
-
-
-int do_xen_hypercall(xc_interface *xch, privcmd_hypercall_t *hypercall)
-{
-    return xch->ops->u.privcmd.hypercall(xch, xch->ops_handle, hypercall);
-}
-
 static pthread_key_t errbuf_pkey;
 static pthread_once_t errbuf_pkey_once = PTHREAD_ONCE_INIT;
 
@@ -335,14 +183,6 @@ void xc_report_error(xc_interface *xch, int code, const 
char *fmt, ...)
     va_end(args);
 }
 
-void xc_osdep_log(xc_interface *xch, xentoollog_level level, int code, const 
char *fmt, ...)
-{
-    va_list args;
-    va_start(args, fmt);
-    xc_reportv(xch, xch->error_handler, level, code, fmt, args);
-    va_end(args);
-}
-
 const char *xc_set_progress_prefix(xc_interface *xch, const char *doing)
 {
     const char *old = xch->currently_progress_reporting;
diff --git a/tools/libxc/xc_private.h b/tools/libxc/xc_private.h
index a32accb..30157cf 100644
--- a/tools/libxc/xc_private.h
+++ b/tools/libxc/xc_private.h
@@ -30,7 +30,6 @@
 
 #include "_paths.h"
 #include "xenctrl.h"
-#include "xenctrlosdep.h"
 
 #include <xen/sys/privcmd.h>
 
@@ -88,7 +87,6 @@ struct iovec {
 #define MAX_PAGECACHE_USAGE (4*1024)
 
 struct xc_interface_core {
-    enum xc_osdep_type type;
     int flags;
     xentoollog_logger *error_handler,   *error_handler_tofree;
     xentoollog_logger *dombuild_logger, *dombuild_logger_tofree;
@@ -117,12 +115,21 @@ struct xc_interface_core {
     int hypercall_buffer_cache_misses;
     int hypercall_buffer_cache_toobig;
 
-    /* Low lovel OS interface */
-    xc_osdep_info_t  osdep;
-    xc_osdep_ops    *ops; /* backend operations */
-    xc_osdep_handle  ops_handle; /* opaque data for xc_osdep_ops */
+    /* Privcmd interface */
+    int privcmdfd;
 };
 
+int osdep_privcmd_open(xc_interface *xch);
+int osdep_privcmd_close(xc_interface *xch);
+
+void *osdep_alloc_hypercall_buffer(xc_interface *xch, int npages);
+void osdep_free_hypercall_buffer(xc_interface *xch, void *ptr, int npages);
+
+/* Stub for not yet converted OSes */
+void *xc_map_foreign_bulk_compat(xc_interface *xch,
+                                 uint32_t dom, int prot,
+                                 const xen_pfn_t *arr, int *err, unsigned int 
num);
+
 void xc_report_error(xc_interface *xch, int code, const char *fmt, ...)
     __attribute__((format(printf,3,4)));
 void xc_reportv(xc_interface *xch, xentoollog_logger *lg, xentoollog_level,
diff --git a/tools/libxc/xc_solaris.c b/tools/libxc/xc_solaris.c
index ed7987c..6f84b82 100644
--- a/tools/libxc/xc_solaris.c
+++ b/tools/libxc/xc_solaris.c
@@ -24,7 +24,7 @@
 #include <fcntl.h>
 #include <malloc.h>
 
-static xc_osdep_handle solaris_privcmd_open(xc_interface *xch)
+int osdep_privcmd_open(xc_interface *xch)
 {
     int flags, saved_errno;
     int fd = open("/dev/xen/privcmd", O_RDWR);
@@ -32,7 +32,7 @@ static xc_osdep_handle solaris_privcmd_open(xc_interface *xch)
     if ( fd == -1 )
     {
         PERROR("Could not obtain handle on privileged command interface");
-        return XC_OSDEP_OPEN_ERROR;
+        return -1;
     }
 
     /* Although we return the file handle as the 'xc handle' the API
@@ -51,42 +51,43 @@ static xc_osdep_handle solaris_privcmd_open(xc_interface 
*xch)
         goto error;
     }
 
-    return (xc_osdep_handle)fd;
+    xch->privcmdfd = fd;
+    return 0;
 
  error:
     saved_errno = errno;
     close(fd);
     errno = saved_errno;
-    return XC_OSDEP_OPEN_ERROR;
+    return -1;
 }
 
-static int solaris_privcmd_close(xc_interface *xch, xc_osdep_handle h)
+int osdep_privcmd_close(xc_interface *xch)
 {
-    int fd = (int)h;
+    int fd = xch->privcmdfd;
     return close(fd);
 }
 
-static void *solaris_privcmd_alloc_hypercall_buffer(xc_interface *xch, 
xc_osdep_handle h, int npages)
+void *osdep_alloc_hypercall_buffer(xc_interface *xch, int npages)
 {
     return xc_memalign(xch, XC_PAGE_SIZE, npages * XC_PAGE_SIZE);
 }
 
-static void solaris_privcmd_free_hypercall_buffer(xc_interface *xch, 
xc_osdep_handle h, void *ptr, int npages)
+static void osdep_free_hypercall_buffer(xc_interface *xch, void *ptr, int 
npages)
 {
     free(ptr);
 }
 
-static int solaris_privcmd_hypercall(xc_interface *xch, xc_osdep_handle h, 
privcmd_hypercall_t *hypercall)
+int do_xen_hypercall(xc_interface *xch, privcmd_hypercall_t *hypercall)
 {
-    int fd = (int)h;
+    int fd = xch->privcmdfd;
     return ioctl(fd, IOCTL_PRIVCMD_HYPERCALL, hypercall);
 }
 
-static void *solaris_privcmd_map_foreign_batch(xc_interface *xch, 
xc_osdep_handle h,
-                                               uint32_t dom, int prot,
-                                               xen_pfn_t *arr, int num)
+void *xc_map_foreign_batch(xc_interface *xch,
+                          uint32_t dom, int prot,
+                          xen_pfn_t *arr, int num)
 {
-    int fd = (int)h;
+    int fd = xch->privcmdfd;
     privcmd_mmapbatch_t ioctlx;
     void *addr;
     addr = mmap(NULL, num*XC_PAGE_SIZE, prot, MAP_SHARED, fd, 0);
@@ -109,12 +110,19 @@ static void 
*solaris_privcmd_map_foreign_batch(xc_interface *xch, xc_osdep_handl
 
 }
 
-static void *xc_map_foreign_range(xc_interface *xch, xc_osdep_handle h,
-                                  uint32_t dom,
-                                  int size, int prot,
-                                  unsigned long mfn)
+void *xc_map_foreign_bulk(xc_interface *xch,
+                          uint32_t dom, int prot,
+                          const xen_pfn_t *arr, int *err, unsigned int num)
 {
-    int fd = (int)fd;
+    return xc_map_foreign_bulk_compat(xch, dom, prot, arr, err, num);
+}
+
+void *xc_map_foreign_range(xc_interface *xch,
+                           uint32_t dom,
+                           int size, int prot,
+                           unsigned long mfn)
+{
+    int fd = xch->privcmdfd;
     privcmd_mmap_t ioctlx;
     privcmd_mmap_entry_t entry;
     void *addr;
@@ -138,12 +146,12 @@ static void *xc_map_foreign_range(xc_interface *xch, 
xc_osdep_handle h,
     return addr;
 }
 
-static void *solaric_privcmd_map_foreign_ranges(xc_interface *xch, 
xc_osdep_handle h,
-                                                uint32_t dom,
-                                                size_t size, int prot, size_t 
chunksize,
-                                                privcmd_mmap_entry_t 
entries[], int nentries)
+void *xc_map_foreign_ranges(xc_interface *xch,
+                            uint32_t dom,
+                            size_t size, int prot, size_t chunksize,
+                            privcmd_mmap_entry_t entries[], int nentries)
 {
-    int fd = (int)fd;
+    int fd = xch->privcmdfd;
     privcmd_mmap_t ioctlx;
     int i, rc;
     void *addr;
@@ -176,23 +184,6 @@ mmap_failed:
     return NULL;
 }
 
-static struct xc_osdep_ops solaris_privcmd_ops = {
-    .open = &solaris_privcmd_open,
-    .close = &solaris_privcmd_close,
-
-    .u.privcmd = {
-        .alloc_hypercall_buffer = &solaris_privcmd_alloc_hypercall_buffer,
-        .free_hypercall_buffer = &solaris_privcmd_free_hypercall_buffer,
-
-        .hypercall = &solaris_privcmd_hypercall;
-
-        .map_foreign_batch = &solaris_privcmd_map_foreign_batch,
-        .map_foreign_bulk = &xc_map_foreign_bulk_compat,
-        .map_foreign_range = &solaris_privcmd_map_foreign_range,
-        .map_foreign_ranges = &solaris_privcmd_map_foreign_ranges,
-    },
-};
-
 /* Optionally flush file to disk and discard page cache */
 void discard_file_cache(xc_interface *xch, int fd, int flush) 
 {
@@ -204,23 +195,6 @@ void *xc_memalign(xc_interface *xch, size_t alignment, 
size_t size)
     return memalign(alignment, size);
 }
 
-static struct xc_osdep_ops *solaris_osdep_init(xc_interface *xch, enum 
xc_osdep_type type)
-{
-    switch ( type )
-    {
-    case XC_OSDEP_PRIVCMD:
-        return &solaris_privcmd_ops;
-    default:
-        return NULL;
-    }
-}
-
-xc_osdep_info_t xc_osdep_info = {
-    .name = "Solaris Native OS interface",
-    .init = &solaris_osdep_init,
-    .fake = 0,
-};
-
 /*
  * Local variables:
  * mode: C
diff --git a/tools/libxc/xenctrl_osdep_ENOSYS.c 
b/tools/libxc/xenctrl_osdep_ENOSYS.c
deleted file mode 100644
index 5182532..0000000
--- a/tools/libxc/xenctrl_osdep_ENOSYS.c
+++ /dev/null
@@ -1,123 +0,0 @@
-/* Dummy backend which just logs and returns ENOSYS. */
-
-#include <errno.h>
-#include <inttypes.h>
-#include <stdlib.h>
-
-#include "xenctrl.h"
-#include "xenctrlosdep.h"
-
-#define IPRINTF(_x, _f, _a...) xc_osdep_log(_x,XTL_INFO,0, _f , ## _a)
-
-#define ERROR(_x, _m, _a...)  xc_osdep_log(_x,XTL_ERROR,XC_INTERNAL_ERROR,_m , 
## _a )
-#define PERROR(_x, _m, _a...) xc_osdep_log(_x,XTL_ERROR,XC_INTERNAL_ERROR,_m \
-                  " (%d = %s)", ## _a , errno, xc_strerror(xch, errno))
-
-static xc_osdep_handle ENOSYS_privcmd_open(xc_interface *xch)
-{
-    IPRINTF(xch, "ENOSYS_privcmd: opening handle %d\n", 1);
-    return (xc_osdep_handle)1; /*dummy*/
-}
-
-static int ENOSYS_privcmd_close(xc_interface *xch, xc_osdep_handle h)
-{
-    IPRINTF(xch, "ENOSYS_privcmd: closing handle %lx\n", h);
-    return 0;
-}
-
-static int ENOSYS_privcmd_hypercall(xc_interface *xch, xc_osdep_handle h, 
privcmd_hypercall_t *hypercall)
-{
-#if defined(__FreeBSD__) || defined(__NetBSD__)
-    IPRINTF(xch, "ENOSYS_privcmd %lx: hypercall: 
%02lu(%#lx,%#lx,%#lx,%#lx,%#lx)\n",
-#else
-    IPRINTF(xch, "ENOSYS_privcmd %lx: hypercall: 
%02lld(%#llx,%#llx,%#llx,%#llx,%#llx)\n",
-#endif
-            h, hypercall->op,
-            hypercall->arg[0], hypercall->arg[1], hypercall->arg[2],
-            hypercall->arg[3], hypercall->arg[4]);
-    return -ENOSYS;
-}
-
-static void *ENOSYS_privcmd_map_foreign_batch(xc_interface *xch, 
xc_osdep_handle h, uint32_t dom, int prot,
-                                      xen_pfn_t *arr, int num)
-{
-    IPRINTF(xch, "ENOSYS_privcmd %lx: map_foreign_batch: dom%d prot %#x arr %p 
num %d\n", h, dom, prot, arr, num);
-    return MAP_FAILED;
-}
-
-static void *ENOSYS_privcmd_map_foreign_bulk(xc_interface *xch, 
xc_osdep_handle h, uint32_t dom, int prot,
-                                     const xen_pfn_t *arr, int *err, unsigned 
int num)
-{
-    IPRINTF(xch, "ENOSYS_privcmd %lx map_foreign_buld: dom%d prot %#x arr %p 
err %p num %d\n", h, dom, prot, arr, err, num);
-    return MAP_FAILED;
-}
-
-static void *ENOSYS_privcmd_map_foreign_range(xc_interface *xch, 
xc_osdep_handle h, uint32_t dom, int size, int prot,
-                                      unsigned long mfn)
-{
-    IPRINTF(xch, "ENOSYS_privcmd %lx map_foreign_range: dom%d size %#x prot 
%#x mfn %ld\n", h, dom, size, prot, mfn);
-    return MAP_FAILED;
-}
-
-static void *ENOSYS_privcmd_map_foreign_ranges(xc_interface *xch, 
xc_osdep_handle h, uint32_t dom, size_t size, int prot,
-                                       size_t chunksize, privcmd_mmap_entry_t 
entries[],
-                                       int nentries)
-{
-    IPRINTF(xch, "ENOSYS_privcmd %lx map_foreign_ranges: dom%d size %zd prot 
%#x chunksize %zd entries %p num %d\n", h, dom, size, prot, chunksize, entries, 
nentries);
-    return MAP_FAILED;
-}
-
-static struct xc_osdep_ops ENOSYS_privcmd_ops =
-{
-    .open      = &ENOSYS_privcmd_open,
-    .close     = &ENOSYS_privcmd_close,
-    .u.privcmd   = {
-        .hypercall = &ENOSYS_privcmd_hypercall,
-
-        .map_foreign_batch = &ENOSYS_privcmd_map_foreign_batch,
-        .map_foreign_bulk = &ENOSYS_privcmd_map_foreign_bulk,
-        .map_foreign_range = &ENOSYS_privcmd_map_foreign_range,
-        .map_foreign_ranges = &ENOSYS_privcmd_map_foreign_ranges,
-    }
-};
-
-static struct xc_osdep_ops * ENOSYS_osdep_init(xc_interface *xch, enum 
xc_osdep_type type)
-{
-    struct xc_osdep_ops *ops;
-
-    if (getenv("ENOSYS") == NULL)
-    {
-        PERROR(xch, "ENOSYS: not configured\n");
-        return NULL;
-    }
-
-    switch ( type )
-    {
-    case XC_OSDEP_PRIVCMD:
-        ops = &ENOSYS_privcmd_ops;
-        break;
-    default:
-        ops = NULL;
-        break;
-    }
-
-    IPRINTF(xch, "ENOSYS_osdep_init: initialising handle ops at %p\n", ops);
-
-    return ops;
-}
-
-xc_osdep_info_t xc_osdep_info = {
-    .name = "Pessimistic ENOSYS OS interface",
-    .init = &ENOSYS_osdep_init,
-    .fake = 1,
-};
-
-/*
- * Local variables:
- * mode: C
- * c-file-style: "BSD"
- * c-basic-offset: 4
- * tab-width: 4
- * indent-tabs-mode: nil
- * End:
- */
diff --git a/tools/ocaml/libs/xc/xenctrl.ml b/tools/ocaml/libs/xc/xenctrl.ml
index 41d228d..58a53a1 100644
--- a/tools/ocaml/libs/xc/xenctrl.ml
+++ b/tools/ocaml/libs/xc/xenctrl.ml
@@ -108,8 +108,6 @@ external sizeof_xen_pfn: unit -> int = "stub_sizeof_xen_pfn"
 external interface_open: unit -> handle = "stub_xc_interface_open"
 external interface_close: handle -> unit = "stub_xc_interface_close"
 
-external is_fake: unit -> bool = "stub_xc_interface_is_fake"
-
 let with_intf f =
        let xc = interface_open () in
        let r = try f xc with exn -> interface_close xc; raise exn in
diff --git a/tools/ocaml/libs/xc/xenctrl.mli b/tools/ocaml/libs/xc/xenctrl.mli
index b4a175b..16443df 100644
--- a/tools/ocaml/libs/xc/xenctrl.mli
+++ b/tools/ocaml/libs/xc/xenctrl.mli
@@ -72,7 +72,6 @@ external sizeof_vcpu_guest_context : unit -> int
   = "stub_sizeof_vcpu_guest_context"
 external sizeof_xen_pfn : unit -> int = "stub_sizeof_xen_pfn"
 external interface_open : unit -> handle = "stub_xc_interface_open"
-external is_fake : unit -> bool = "stub_xc_interface_is_fake"
 external interface_close : handle -> unit = "stub_xc_interface_close"
 val with_intf : (handle -> 'a) -> 'a
 val domain_create : handle -> int32 -> domain_create_flag list -> string -> 
domid
diff --git a/tools/ocaml/libs/xc/xenctrl_stubs.c 
b/tools/ocaml/libs/xc/xenctrl_stubs.c
index 393156c..e2fa7e4 100644
--- a/tools/ocaml/libs/xc/xenctrl_stubs.c
+++ b/tools/ocaml/libs/xc/xenctrl_stubs.c
@@ -126,13 +126,6 @@ CAMLprim value stub_xc_interface_open(void)
 }
 
 
-CAMLprim value stub_xc_interface_is_fake(void)
-{
-       CAMLparam0();
-       int is_fake = xc_interface_is_fake();
-       CAMLreturn(Val_int(is_fake));
-}
-
 CAMLprim value stub_xc_interface_close(value xch)
 {
        CAMLparam1(xch);
diff --git a/tools/ocaml/xenstored/domains.ml b/tools/ocaml/xenstored/domains.ml
index 92e438f..395f3a9 100644
--- a/tools/ocaml/xenstored/domains.ml
+++ b/tools/ocaml/xenstored/domains.ml
@@ -65,11 +65,9 @@ let create xc doms domid mfn port =
        Domain.bind_interdomain dom;
        dom
 
-let create0 fake doms =
+let create0 doms =
        let port, interface =
-               if fake then (
-                       0, Xenctrl.with_intf (fun xc -> 
Xenctrl.map_foreign_range xc 0 (Xenmmap.getpagesize()) 0n)
-               ) else (
+               (
                        let port = Utils.read_file_single_integer 
Define.xenstored_proc_port
                        and fd = Unix.openfile Define.xenstored_proc_kva
                                               [ Unix.O_RDWR ] 0o600 in
diff --git a/tools/ocaml/xenstored/xenstored.ml 
b/tools/ocaml/xenstored/xenstored.ml
index 42b8183..25c126a 100644
--- a/tools/ocaml/xenstored/xenstored.ml
+++ b/tools/ocaml/xenstored/xenstored.ml
@@ -176,7 +176,7 @@ let from_channel store cons doms chan =
                        if domid > 0 then
                                Domains.create xc doms domid mfn port
                        else
-                               Domains.create0 false doms
+                               Domains.create0 doms
                        in
                Connections.add_domain cons ndom;
                in
@@ -278,8 +278,7 @@ let _ =
                        Store.mkdir store (Perms.Connection.create 0) localpath;
 
                if cf.domain_init then (
-                       let usingxiu = Xenctrl.is_fake () in
-                       Connections.add_domain cons (Domains.create0 usingxiu 
domains);
+                       Connections.add_domain cons (Domains.create0 domains);
                        Event.bind_dom_exc_virq eventchn
                );
        );
--
generated by git-patchbot for /home/xen/git/xen.git#master

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