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[Xen-devel] [PATCH 1/4] tools/libxendevicemodel: introduce the new library



The new xendevicemodel library is intended to be used by all Xen device
models such that the only hypercall that use will be the dm_op hypercall
added by commit 524a98c2.

This patch adds the boilerplate for the new library, with only open() and
close() entry points, and calls to those from libxenctrl in preparation
for the compat layer added by a subsequent patch.

NOTE: After applying this patch libxenctrl will depend on libxendevicemodel
      and so patches [1] and [2] must be applied to qemu-xen-traditional
      and mini-os respectively.

[1] 
http://xenbits.xen.org/gitweb/?p=people/pauldu/qemu-xen-traditional.git;a=commit;h=a445da7e
[2] 
http://xenbits.xen.org/gitweb/?p=people/pauldu/mini-os.git;a=commit;h=41c9f2ae

Signed-off-by: Paul Durrant <paul.durrant@xxxxxxxxxx>
---
Cc: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
Cc: Wei Liu <wei.liu2@xxxxxxxxxx>
Cc: Samuel Thibault <samuel.thibault@xxxxxxxxxxxx>
---
 stubdom/Makefile                                | 17 ++++++-
 tools/Makefile                                  |  1 +
 tools/Rules.mk                                  | 10 +++-
 tools/libs/Makefile                             |  1 +
 tools/libs/devicemodel/Makefile                 | 66 ++++++++++++++++++++++++
 tools/libs/devicemodel/core.c                   | 68 +++++++++++++++++++++++++
 tools/libs/devicemodel/include/xendevicemodel.h | 40 +++++++++++++++
 tools/libs/devicemodel/libxendevicemodel.map    |  6 +++
 tools/libs/devicemodel/private.h                | 22 ++++++++
 tools/libxc/Makefile                            |  3 +-
 tools/libxc/xc_private.c                        | 11 +++-
 tools/libxc/xc_private.h                        |  4 ++
 12 files changed, 243 insertions(+), 6 deletions(-)
 create mode 100644 tools/libs/devicemodel/Makefile
 create mode 100644 tools/libs/devicemodel/core.c
 create mode 100644 tools/libs/devicemodel/include/xendevicemodel.h
 create mode 100644 tools/libs/devicemodel/libxendevicemodel.map
 create mode 100644 tools/libs/devicemodel/private.h

diff --git a/stubdom/Makefile b/stubdom/Makefile
index f858210..39b81c9 100644
--- a/stubdom/Makefile
+++ b/stubdom/Makefile
@@ -337,13 +337,16 @@ libs-$(XEN_TARGET_ARCH)/call/stamp: 
$(XEN_ROOT)/tools/libs/call/Makefile
 libs-$(XEN_TARGET_ARCH)/foreignmemory/stamp: 
$(XEN_ROOT)/tools/libs/foreignmemory/Makefile
        $(do_links)
 
+libs-$(XEN_TARGET_ARCH)/devicemodel/stamp: 
$(XEN_ROOT)/tools/libs/devicemodel/Makefile
+       $(do_links)
+
 libxc-$(XEN_TARGET_ARCH)/stamp: $(XEN_ROOT)/tools/libxc/Makefile
        $(do_links)
 
 xenstore/stamp: $(XEN_ROOT)/tools/xenstore/Makefile
        $(do_links)
 
-LINK_LIBS_DIRS := toollog evtchn gnttab call foreignmemory
+LINK_LIBS_DIRS := toollog evtchn gnttab call foreignmemory devicemodel
 LINK_DIRS := libxc-$(XEN_TARGET_ARCH) xenstore $(foreach 
dir,$(LINK_LIBS_DIRS),libs-$(XEN_TARGET_ARCH)/$(dir))
 LINK_STAMPS := $(foreach dir,$(LINK_DIRS),$(dir)/stamp)
 
@@ -414,12 +417,21 @@ 
libs-$(XEN_TARGET_ARCH)/foreignmemory/libxenforeignmemory.a: mk-headers-$(XEN_TA
        CPPFLAGS="$(TARGET_CPPFLAGS)" CFLAGS="$(TARGET_CFLAGS)" $(MAKE) 
DESTDIR= -C libs-$(XEN_TARGET_ARCH)/foreignmemory
 
 #######
+# libxendevicemodel
+#######
+
+.PHONY: libxendevicemodel
+libxendevicemodel: libs-$(XEN_TARGET_ARCH)/devicemodel/libxendevicemodel.a
+libs-$(XEN_TARGET_ARCH)/devicemodel/libxendevicemodel.a: 
mk-headers-$(XEN_TARGET_ARCH) $(NEWLIB_STAMPFILE)
+       CPPFLAGS="$(TARGET_CPPFLAGS)" CFLAGS="$(TARGET_CFLAGS)" $(MAKE) 
DESTDIR= -C libs-$(XEN_TARGET_ARCH)/devicemodel
+
+#######
 # libxc
 #######
 
 .PHONY: libxc
 libxc: libxc-$(XEN_TARGET_ARCH)/libxenctrl.a 
libxc-$(XEN_TARGET_ARCH)/libxenguest.a
-libxc-$(XEN_TARGET_ARCH)/libxenctrl.a: mk-headers-$(XEN_TARGET_ARCH) 
libxentoollog libxenevtchn libxengnttab libxencall libxenforeignmemory 
cross-zlib
+libxc-$(XEN_TARGET_ARCH)/libxenctrl.a: mk-headers-$(XEN_TARGET_ARCH) 
libxentoollog libxenevtchn libxengnttab libxencall libxenforeignmemory 
libxendevicemodel cross-zlib
        CPPFLAGS="$(TARGET_CPPFLAGS)" CFLAGS="$(TARGET_CFLAGS)" $(MAKE) 
DESTDIR= CONFIG_LIBXC_MINIOS=y -C libxc-$(XEN_TARGET_ARCH)
 
  libxc-$(XEN_TARGET_ARCH)/libxenguest.a: libxc-$(XEN_TARGET_ARCH)/libxenctrl.a
@@ -616,6 +628,7 @@ clean:
        [ ! -e libs-$(XEN_TARGET_ARCH)/gnttab/Makefile ] || $(MAKE) DESTDIR= -C 
libs-$(XEN_TARGET_ARCH)/gnttab clean
        [ ! -e libs-$(XEN_TARGET_ARCH)/call/Makefile ] || $(MAKE) DESTDIR= -C 
libs-$(XEN_TARGET_ARCH)/call clean
        [ ! -e libs-$(XEN_TARGET_ARCH)/foreignmemory/Makefile ] || $(MAKE) 
DESTDIR= -C libs-$(XEN_TARGET_ARCH)/foreignmemory clean
+       [ ! -e libs-$(XEN_TARGET_ARCH)/devicemodel/Makefile ] || $(MAKE) 
DESTDIR= -C libs-$(XEN_TARGET_ARCH)/devicemodel clean
        [ ! -e libxc-$(XEN_TARGET_ARCH)/Makefile ] || $(MAKE) DESTDIR= -C 
libxc-$(XEN_TARGET_ARCH) clean
        -[ ! -d ioemu ] || $(MAKE) DESTDIR= -C ioemu clean
        -[ ! -d xenstore ] || $(MAKE) DESTDIR= -C xenstore clean
diff --git a/tools/Makefile b/tools/Makefile
index 77e0723..0890cc9 100644
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -281,6 +281,7 @@ subdir-all-qemu-xen-dir: qemu-xen-dir-find
                -Wl,-rpath-link=$(XEN_ROOT)/tools/libs/gnttab \
                -Wl,-rpath-link=$(XEN_ROOT)/tools/libs/call \
                -Wl,-rpath-link=$(XEN_ROOT)/tools/libs/foreignmemory \
+               -Wl,-rpath-link=$(XEN_ROOT)/tools/libs/devicemodel \
                $(QEMU_UPSTREAM_RPATH)" \
                --bindir=$(LIBEXEC_BIN) \
                --datadir=$(SHAREDIR)/qemu-xen \
diff --git a/tools/Rules.mk b/tools/Rules.mk
index b35999b..e3415f0 100644
--- a/tools/Rules.mk
+++ b/tools/Rules.mk
@@ -15,6 +15,7 @@ XEN_LIBXENEVTCHN   = $(XEN_ROOT)/tools/libs/evtchn
 XEN_LIBXENGNTTAB   = $(XEN_ROOT)/tools/libs/gnttab
 XEN_LIBXENCALL     = $(XEN_ROOT)/tools/libs/call
 XEN_LIBXENFOREIGNMEMORY = $(XEN_ROOT)/tools/libs/foreignmemory
+XEN_LIBXENDEVICEMODEL = $(XEN_ROOT)/tools/libs/devicemodel
 XEN_LIBXC          = $(XEN_ROOT)/tools/libxc
 XEN_XENLIGHT       = $(XEN_ROOT)/tools/libxl
 XEN_XENSTORE       = $(XEN_ROOT)/tools/xenstore
@@ -117,10 +118,15 @@ CFLAGS_libxenforeignmemory = 
-I$(XEN_LIBXENFOREIGNMEMORY)/include $(CFLAGS_xenin
 LDLIBS_libxenforeignmemory = 
$(XEN_LIBXENFOREIGNMEMORY)/libxenforeignmemory$(libextension)
 SHLIB_libxenforeignmemory  = -Wl,-rpath-link=$(XEN_LIBXENFOREIGNMEMORY)
 
+CFLAGS_libxendevicemodel = -I$(XEN_LIBXENDEVICEMODEL)/include 
$(CFLAGS_xeninclude)
+SHDEPS_libxendevicemodel = $(SHLIB_libxentoollog)
+LDLIBS_libxendevicemodel = 
$(XEN_LIBXENDEVICEMODEL)/libxendevicemodel$(libextension)
+SHLIB_libxendevicemodel  = -Wl,-rpath-link=$(XEN_LIBXENDEVICEMODEL)
+
 # code which compiles against libxenctrl get __XEN_TOOLS__ and
 # therefore sees the unstable hypercall interfaces.
-CFLAGS_libxenctrl = -I$(XEN_LIBXC)/include $(CFLAGS_libxentoollog) 
$(CFLAGS_libxenforeignmemory) $(CFLAGS_xeninclude) -D__XEN_TOOLS__
-SHDEPS_libxenctrl = $(SHLIB_libxentoollog) $(SHLIB_libxenevtchn) 
$(SHLIB_libxengnttab) $(SHLIB_libxengntshr) $(SHLIB_libxencall) 
$(SHLIB_libxenforeignmemory)
+CFLAGS_libxenctrl = -I$(XEN_LIBXC)/include $(CFLAGS_libxentoollog) 
$(CFLAGS_libxenforeignmemory) $(CFLAGS_libxendevicemodel) $(CFLAGS_xeninclude) 
-D__XEN_TOOLS__
+SHDEPS_libxenctrl = $(SHLIB_libxentoollog) $(SHLIB_libxenevtchn) 
$(SHLIB_libxengnttab) $(SHLIB_libxengntshr) $(SHLIB_libxencall) 
$(SHLIB_libxenforeignmemory) $(SHLIB_libxendevicemodel)
 LDLIBS_libxenctrl = $(SHDEPS_libxenctrl) $(XEN_LIBXC)/libxenctrl$(libextension)
 SHLIB_libxenctrl  = $(SHDEPS_libxenctrl) -Wl,-rpath-link=$(XEN_LIBXC)
 
diff --git a/tools/libs/Makefile b/tools/libs/Makefile
index dc5726d..deae4ae 100644
--- a/tools/libs/Makefile
+++ b/tools/libs/Makefile
@@ -7,5 +7,6 @@ SUBDIRS-y += evtchn
 SUBDIRS-y += gnttab
 SUBDIRS-y += call
 SUBDIRS-y += foreignmemory
+SUBDIRS-y += devicemodel
 
 all clean install distclean: %: subdirs-%
diff --git a/tools/libs/devicemodel/Makefile b/tools/libs/devicemodel/Makefile
new file mode 100644
index 0000000..4f1e616
--- /dev/null
+++ b/tools/libs/devicemodel/Makefile
@@ -0,0 +1,66 @@
+XEN_ROOT = $(CURDIR)/../../..
+include $(XEN_ROOT)/tools/Rules.mk
+
+MAJOR    = 1
+MINOR    = 0
+SHLIB_LDFLAGS += -Wl,--version-script=libxendevicemodel.map
+
+CFLAGS   += -Werror -Wmissing-prototypes
+CFLAGS   += -I./include $(CFLAGS_xeninclude)
+CFLAGS   += $(CFLAGS_libxentoollog)
+
+SRCS-y   += core.c
+
+LIB_OBJS := $(patsubst %.c,%.o,$(SRCS-y))
+PIC_OBJS := $(patsubst %.c,%.opic,$(SRCS-y))
+
+LIB := libxendevicemodel.a
+ifneq ($(nosharedlibs),y)
+LIB += libxendevicemodel.so
+endif
+
+.PHONY: all
+all: build
+
+.PHONY: build
+build:
+       $(MAKE) libs
+
+.PHONY: libs
+libs: headers.chk $(LIB)
+
+headers.chk: $(wildcard include/*.h)
+
+libxendevicemodel.a: $(LIB_OBJS)
+       $(AR) rc $@ $^
+
+libxendevicemodel.so: libxendevicemodel.so.$(MAJOR)
+       $(SYMLINK_SHLIB) $< $@
+libxendevicemodel.so.$(MAJOR): libxendevicemodel.so.$(MAJOR).$(MINOR)
+       $(SYMLINK_SHLIB) $< $@
+
+libxendevicemodel.so.$(MAJOR).$(MINOR): $(PIC_OBJS) libxendevicemodel.map
+       $(CC) $(LDFLAGS) $(PTHREAD_LDFLAGS) -Wl,$(SONAME_LDFLAG) 
-Wl,libxendevicemodel.so.$(MAJOR) $(SHLIB_LDFLAGS) -o $@ $(PIC_OBJS) 
$(LDLIBS_libxentoollog) $(APPEND_LDFLAGS)
+
+.PHONY: install
+install: build
+       $(INSTALL_DIR) $(DESTDIR)$(libdir)
+       $(INSTALL_DIR) $(DESTDIR)$(includedir)
+       $(INSTALL_SHLIB) libxendevicemodel.so.$(MAJOR).$(MINOR) 
$(DESTDIR)$(libdir)
+       $(INSTALL_DATA) libxendevicemodel.a $(DESTDIR)$(libdir)
+       $(SYMLINK_SHLIB) libxendevicemodel.so.$(MAJOR).$(MINOR) 
$(DESTDIR)$(libdir)/libxendevicemodel.so.$(MAJOR)
+       $(SYMLINK_SHLIB) libxendevicemodel.so.$(MAJOR) 
$(DESTDIR)$(libdir)/libxendevicemodel.so
+       $(INSTALL_DATA) include/xendevicemodel.h $(DESTDIR)$(includedir)
+
+.PHONY: TAGS
+TAGS:
+       etags -t *.c *.h
+
+.PHONY: clean
+clean:
+       rm -rf *.rpm $(LIB) *~ $(DEPS) $(LIB_OBJS) $(PIC_OBJS)
+       rm -f libxendevicemodel.so.$(MAJOR).$(MINOR) 
libxendevicemodel.so.$(MAJOR)
+       rm -f headers.chk
+
+.PHONY: distclean
+distclean: clean
diff --git a/tools/libs/devicemodel/core.c b/tools/libs/devicemodel/core.c
new file mode 100644
index 0000000..ec18142
--- /dev/null
+++ b/tools/libs/devicemodel/core.c
@@ -0,0 +1,68 @@
+/*
+ * Copyright (c) 2017 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/>.
+ */
+
+#include <stdlib.h>
+
+#include "private.h"
+
+xendevicemodel_handle *xendevicemodel_open(xentoollog_logger *logger,
+                                           unsigned open_flags)
+{
+    xendevicemodel_handle *dmod = malloc(sizeof(*dmod));
+
+    if (!dmod)
+        return NULL;
+
+    dmod->flags = open_flags;
+    dmod->logger = logger;
+    dmod->logger_tofree = NULL;
+
+    if (!dmod->logger) {
+        dmod->logger = dmod->logger_tofree =
+            (xentoollog_logger*)
+            xtl_createlogger_stdiostream(stderr, XTL_PROGRESS, 0);
+        if (!dmod->logger)
+            goto err;
+    }
+
+    return dmod;
+
+err:
+    xtl_logger_destroy(dmod->logger_tofree);
+    free(dmod);
+    return NULL;
+}
+
+int xendevicemodel_close(xendevicemodel_handle *dmod)
+{
+    if (!dmod)
+        return 0;
+
+    xtl_logger_destroy(dmod->logger_tofree);
+    free(dmod);
+    return 0;
+}
+
+/*
+ * Local variables:
+ * mode: C
+ * c-file-style: "BSD"
+ * c-basic-offset: 4
+ * tab-width: 4
+ * indent-tabs-mode: nil
+ * End:
+ */
diff --git a/tools/libs/devicemodel/include/xendevicemodel.h 
b/tools/libs/devicemodel/include/xendevicemodel.h
new file mode 100644
index 0000000..f977b0e
--- /dev/null
+++ b/tools/libs/devicemodel/include/xendevicemodel.h
@@ -0,0 +1,40 @@
+/*
+ * Copyright (c) 2017 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/>.
+ */
+#ifndef XENDEVICEMODEL_H
+#define XENDEVICEMODEL_H
+
+/* Callers who don't care don't need to #include <xentoollog.h> */
+struct xentoollog_logger;
+
+typedef struct xendevicemodel_handle xendevicemodel_handle;
+
+xendevicemodel_handle *xendevicemodel_open(struct xentoollog_logger *logger,
+                                           unsigned int open_flags);
+
+int xendevicemodel_close(xendevicemodel_handle *dmod);
+
+#endif /* XENDEVICEMODEL_H */
+
+/*
+ * Local variables:
+ * mode: C
+ * c-file-style: "BSD"
+ * c-basic-offset: 4
+ * tab-width: 4
+ * indent-tabs-mode: nil
+ * End:
+ */
diff --git a/tools/libs/devicemodel/libxendevicemodel.map 
b/tools/libs/devicemodel/libxendevicemodel.map
new file mode 100644
index 0000000..980c429
--- /dev/null
+++ b/tools/libs/devicemodel/libxendevicemodel.map
@@ -0,0 +1,6 @@
+VERS_1.0 {
+       global:
+               xendevicemodel_open;
+               xendevicemodel_close;
+       local: *; /* Do not expose anything by default */
+};
diff --git a/tools/libs/devicemodel/private.h b/tools/libs/devicemodel/private.h
new file mode 100644
index 0000000..cf1e4b0
--- /dev/null
+++ b/tools/libs/devicemodel/private.h
@@ -0,0 +1,22 @@
+#ifndef XENDEVICEMODEL_PRIVATE_H
+#define XENDEVICEMODEL_PRIVATE_H
+
+#include <xentoollog.h>
+#include <xendevicemodel.h>
+
+struct xendevicemodel_handle {
+    xentoollog_logger *logger, *logger_tofree;
+    unsigned int flags;
+};
+
+#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/Makefile b/tools/libxc/Makefile
index 37235e3..af5e49c 100644
--- a/tools/libxc/Makefile
+++ b/tools/libxc/Makefile
@@ -113,6 +113,7 @@ CFLAGS-$(CONFIG_Linux) += -D_GNU_SOURCE
 CFLAGS += $(PTHREAD_CFLAGS)
 CFLAGS += $(CFLAGS_libxentoollog)
 CFLAGS += $(CFLAGS_libxenevtchn)
+CFLAGS += $(CFLAGS_libxendevicemodel)
 
 CTRL_LIB_OBJS := $(patsubst %.c,%.o,$(CTRL_SRCS-y))
 CTRL_PIC_OBJS := $(patsubst %.c,%.opic,$(CTRL_SRCS-y))
@@ -217,7 +218,7 @@ 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) 
$(LDLIBS_libxencall) $(LDLIBS_libxenforeignmemory) $(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) 
$(LDLIBS_libxencall) $(LDLIBS_libxenforeignmemory) $(LDLIBS_libxendevicemodel) 
$(PTHREAD_LIBS) $(APPEND_LDFLAGS)
 
 # libxenguest
 
diff --git a/tools/libxc/xc_private.c b/tools/libxc/xc_private.c
index f0e089c..32379b6 100644
--- a/tools/libxc/xc_private.c
+++ b/tools/libxc/xc_private.c
@@ -65,12 +65,18 @@ struct xc_interface_core 
*xc_interface_open(xentoollog_logger *logger,
 
     xch->fmem = xenforeignmemory_open(xch->error_handler, 0);
 
-    if ( xch->xcall == NULL )
+    if ( xch->fmem == NULL )
+        goto err;
+
+    xch->dmod = xendevicemodel_open(xch->error_handler, 0);
+
+    if ( xch->dmod == NULL )
         goto err;
 
     return xch;
 
  err:
+    xenforeignmemory_close(xch->fmem);
     xencall_close(xch->xcall);
     xtl_logger_destroy(xch->error_handler_tofree);
     if (xch != &xch_buf) free(xch);
@@ -90,6 +96,9 @@ int xc_interface_close(xc_interface *xch)
     rc = xenforeignmemory_close(xch->fmem);
     if (rc) PERROR("Could not close foreign memory interface");
 
+    rc = xendevicemodel_close(xch->dmod);
+    if (rc) PERROR("Could not close device model interface");
+
     xtl_logger_destroy(xch->dombuild_logger_tofree);
     xtl_logger_destroy(xch->error_handler_tofree);
 
diff --git a/tools/libxc/xc_private.h b/tools/libxc/xc_private.h
index d0ff4b5..1c27b0f 100644
--- a/tools/libxc/xc_private.h
+++ b/tools/libxc/xc_private.h
@@ -36,6 +36,7 @@
 
 #include <xencall.h>
 #include <xenforeignmemory.h>
+#include <xendevicemodel.h>
 
 #include <xen/sys/privcmd.h>
 
@@ -97,6 +98,9 @@ struct xc_interface_core {
 
     /* Foreign mappings */
     xenforeignmemory_handle *fmem;
+
+    /* Device model */
+    xendevicemodel_handle *dmod;
 };
 
 int osdep_privcmd_open(xc_interface *xch);
-- 
2.1.4


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