diff --git a/drivers/gpu/drm/i915/gvt/Makefile b/drivers/gpu/drm/i915/gvt/Makefile
index 271fb46d4dd0..54e209a23899 100644
--- a/drivers/gpu/drm/i915/gvt/Makefile
+++ b/drivers/gpu/drm/i915/gvt/Makefile
@@ -3,7 +3,7 @@ GVT_DIR := gvt
 GVT_SOURCE := gvt.o aperture_gm.o handlers.o vgpu.o trace_points.o firmware.o \
 	interrupt.o gtt.o cfg_space.o opregion.o mmio.o display.o edid.o \
 	execlist.o scheduler.o sched_policy.o mmio_context.o cmd_parser.o debugfs.o \
-	fb_decoder.o dmabuf.o page_track.o
+	fb_decoder.o dmabuf.o page_track.o device_version.o
 
 ccflags-y				+= -I$(src) -I$(src)/$(GVT_DIR)
 i915-y					+= $(addprefix $(GVT_DIR)/, $(GVT_SOURCE))
diff --git a/drivers/gpu/drm/i915/gvt/device_version.c b/drivers/gpu/drm/i915/gvt/device_version.c
new file mode 100644
index 000000000000..bd4cdcbdba95
--- /dev/null
+++ b/drivers/gpu/drm/i915/gvt/device_version.c
@@ -0,0 +1,87 @@
+/*
+ * Copyright(c) 2011-2017 Intel Corporation. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * Authors:
+ *    Yan Zhao <yan.y.zhao@intel.com>
+ */
+#include <linux/vfio.h>
+#include "i915_drv.h"
+
+static bool is_compatible(const char *self, const char *remote)
+{
+	if (strlen(remote) != strlen(self))
+		return false;
+
+	return (strncmp(self, remote, strlen(self))) ? false : true;
+}
+
+ssize_t intel_gvt_get_vfio_device_version_len(struct drm_i915_private *dev_priv)
+{
+	if (!IS_GEN(dev_priv, 8) && !IS_GEN(dev_priv, 9))
+		return -ENODEV;
+
+	return PAGE_SIZE;
+}
+
+ssize_t intel_gvt_get_vfio_device_version(struct drm_i915_private *dev_priv,
+		char *buf, const char *mdev_type)
+{
+	int cnt = 0, ret = 0;
+	const char *str = NULL;
+
+	/* currently only gen8 & gen9 are supported */
+	if (!IS_GEN(dev_priv, 8) && !IS_GEN(dev_priv, 9))
+		return -ENODEV;
+
+	/* vendor id + device id + mdev type */
+	/* vendor id */
+	cnt = snprintf(buf, 5, "%04x", PCI_VENDOR_ID_INTEL);
+	buf += cnt;
+	ret += cnt;
+
+	/* device id */
+	cnt = snprintf(buf, 6, "-%04x", INTEL_DEVID(dev_priv));
+	buf += cnt;
+	ret += cnt;
+
+	/* mdev type */
+	str = mdev_type;
+	cnt = snprintf(buf, strlen(str) + 3, "-%s\n", mdev_type);
+	buf += cnt;
+	ret += cnt;
+
+	return ret;
+}
+
+ssize_t intel_gvt_check_vfio_device_version(struct drm_i915_private *dev_priv,
+		const char *self, const char *remote)
+{
+
+	/* currently only gen8 & gen9 are supported */
+	if (!IS_GEN(dev_priv, 8) && !IS_GEN(dev_priv, 9))
+		return -ENODEV;
+
+	if (!is_compatible(self, remote))
+		return -EINVAL;
+
+	return 0;
+}
diff --git a/drivers/gpu/drm/i915/gvt/gvt.c b/drivers/gpu/drm/i915/gvt/gvt.c
index 43f4242062dd..19f16eec5a4c 100644
--- a/drivers/gpu/drm/i915/gvt/gvt.c
+++ b/drivers/gpu/drm/i915/gvt/gvt.c
@@ -105,14 +105,65 @@ static ssize_t description_show(struct kobject *kobj, struct device *dev,
 		       type->weight);
 }
 
+#ifdef GVT_MIGRATION_VERSION
+static ssize_t version_show(struct kobject *kobj, struct device *dev,
+		char *buf)
+{
+	struct drm_i915_private *i915 = kdev_to_i915(dev);
+	const char *mdev_type = kobject_name(kobj);
+
+	return intel_gvt_get_vfio_device_version(i915, buf, mdev_type);
+}
+
+static ssize_t version_store(struct kobject *kobj, struct device *dev,
+		const char *buf, size_t count)
+{
+	char *remote = NULL, *self = NULL;
+	int len, ret = 0;
+	struct drm_i915_private *i915 = kdev_to_i915(dev);
+	const char *mdev_type = kobject_name(kobj);
+
+	len = intel_gvt_get_vfio_device_version_len(i915);
+	if (len < 0)
+		return len;
+
+	self = kmalloc(len, GFP_KERNEL);
+	if (!self)
+		return -ENOMEM;
+
+	ret = intel_gvt_get_vfio_device_version(i915, self, mdev_type);
+	if (ret < 0)
+		goto out;
+
+	remote = kstrndup(buf, count, GFP_KERNEL);
+	if (!remote) {
+		ret = -ENOMEM;
+		goto out;
+	}
+
+	ret = intel_gvt_check_vfio_device_version(i915, self, remote);
+
+out:
+	kfree(self);
+	kfree(remote);
+	return (ret < 0 ? ret : count);
+}
+#endif
+
 static MDEV_TYPE_ATTR_RO(available_instances);
 static MDEV_TYPE_ATTR_RO(device_api);
 static MDEV_TYPE_ATTR_RO(description);
+#ifdef GVT_MIGRATION_VERSION
+static MDEV_TYPE_ATTR_RW(version);
+#endif
 
 static struct attribute *gvt_type_attrs[] = {
 	&mdev_type_attr_available_instances.attr,
 	&mdev_type_attr_device_api.attr,
 	&mdev_type_attr_description.attr,
+#ifdef GVT_MIGRATION_VERSION
+	&mdev_type_attr_version.attr,
+#endif
 	NULL,
 };
 
diff --git a/drivers/gpu/drm/i915/gvt/gvt.h b/drivers/gpu/drm/i915/gvt/gvt.h
index f5a328b5290a..4062f6b26acf 100644
--- a/drivers/gpu/drm/i915/gvt/gvt.h
+++ b/drivers/gpu/drm/i915/gvt/gvt.h
@@ -687,6 +687,12 @@ void intel_gvt_debugfs_remove_vgpu(struct intel_vgpu *vgpu);
 int intel_gvt_debugfs_init(struct intel_gvt *gvt);
 void intel_gvt_debugfs_clean(struct intel_gvt *gvt);
 
+ssize_t intel_gvt_get_vfio_device_version(struct drm_i915_private *i915,
+		char *buf, const char *mdev_type);
+ssize_t intel_gvt_check_vfio_device_version(struct drm_i915_private *dev_priv,
+		const char *self, const char *remote);
+ssize_t
+intel_gvt_get_vfio_device_version_len(struct drm_i915_private *dev_priv);
 
 #include "trace.h"
 #include "mpt.h"
