diff --git a/tests/qemuxml2argvdata/qemuxml2argv-hostdev-mdev-invalid-target-address.xml b/tests/qemuxml2argvdata/qemuxml2argv-hostdev-mdev-invalid-target-address.xml
new file mode 100644
index 0000000000..e522febaa9
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-hostdev-mdev-invalid-target-address.xml
@@ -0,0 +1,33 @@
+
+ QEMUGuest2
+ c7a5fdbd-edaf-9466-926a-d65c16db1809
+ 219100
+ 219100
+ 1
+
+ hvm
+
+
+
+ destroy
+ restart
+ destroy
+
+ /usr/bin/qemu
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-hostdev-mdev-precreated.args b/tests/qemuxml2argvdata/qemuxml2argv-hostdev-mdev-precreated.args
new file mode 100644
index 0000000000..fdefeb6104
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-hostdev-mdev-precreated.args
@@ -0,0 +1,25 @@
+LC_ALL=C \
+PATH=/bin \
+HOME=/home/test \
+USER=test \
+LOGNAME=test \
+QEMU_AUDIO_DRV=none \
+/usr/bin/qemu \
+-name QEMUGuest2 \
+-S \
+-M pc \
+-m 214 \
+-smp 1,sockets=1,cores=1,threads=1 \
+-uuid c7a5fdbd-edaf-9455-926a-d65c16db1809 \
+-nographic \
+-nodefconfig \
+-nodefaults \
+-monitor unix:/tmp/lib/domain--1-QEMUGuest2/monitor.sock,server,nowait \
+-no-acpi \
+-boot c \
+-usb \
+-drive file=/dev/HostVG/QEMUGuest2,format=raw,if=none,id=drive-ide0-0-0 \
+-device ide-drive,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0 \
+-device vfio-pci,\
+sysfsdev=/sys/bus/mdev/devices/53764d0e-85a0-42b4-af5c-2046b460b1dc,bus=pci.0,\
+addr=0x3
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-hostdev-mdev-precreated.xml b/tests/qemuxml2argvdata/qemuxml2argv-hostdev-mdev-precreated.xml
new file mode 100644
index 0000000000..2ea18a2b43
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-hostdev-mdev-precreated.xml
@@ -0,0 +1,35 @@
+
+ QEMUGuest2
+ c7a5fdbd-edaf-9455-926a-d65c16db1809
+ 219136
+ 219136
+ 1
+
+ hvm
+
+
+
+ destroy
+ restart
+ destroy
+
+ /usr/bin/qemu
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-hostdev-mdev-src-address-invalid.xml b/tests/qemuxml2argvdata/qemuxml2argv-hostdev-mdev-src-address-invalid.xml
new file mode 100644
index 0000000000..707a239f24
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-hostdev-mdev-src-address-invalid.xml
@@ -0,0 +1,35 @@
+
+ QEMUGuest2
+ c7a5fdbd-edaf-9455-926a-d65c16db1809
+ 219136
+ 219136
+ 1
+
+ hvm
+
+
+
+ destroy
+ restart
+ destroy
+
+ /usr/bin/qemu
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/tests/qemuxml2argvtest.c b/tests/qemuxml2argvtest.c
index ec73ac7e35..e523236df4 100644
--- a/tests/qemuxml2argvtest.c
+++ b/tests/qemuxml2argvtest.c
@@ -1469,6 +1469,15 @@ mymain(void)
DO_TEST("hostdev-vfio-multidomain",
QEMU_CAPS_NODEFCONFIG,
QEMU_CAPS_DEVICE_VFIO_PCI, QEMU_CAPS_HOST_PCI_MULTIDOMAIN);
+ DO_TEST("hostdev-mdev-precreated",
+ QEMU_CAPS_NODEFCONFIG,
+ QEMU_CAPS_DEVICE_VFIO_PCI);
+ DO_TEST_PARSE_ERROR("hostdev-mdev-src-address-invalid",
+ QEMU_CAPS_NODEFCONFIG,
+ QEMU_CAPS_DEVICE_VFIO_PCI);
+ DO_TEST_PARSE_ERROR("hostdev-mdev-invalid-target-address",
+ QEMU_CAPS_NODEFCONFIG,
+ QEMU_CAPS_DEVICE_VFIO_PCI);
DO_TEST_FAILURE("hostdev-vfio-multidomain",
QEMU_CAPS_NODEFCONFIG, QEMU_CAPS_DEVICE_VFIO_PCI);
DO_TEST("pci-rom",
diff --git a/tests/qemuxml2xmloutdata/qemuxml2xmlout-hostdev-mdev-precreated.xml b/tests/qemuxml2xmloutdata/qemuxml2xmlout-hostdev-mdev-precreated.xml
new file mode 100644
index 0000000000..328b3aeb2f
--- /dev/null
+++ b/tests/qemuxml2xmloutdata/qemuxml2xmlout-hostdev-mdev-precreated.xml
@@ -0,0 +1,40 @@
+
+ QEMUGuest2
+ c7a5fdbd-edaf-9455-926a-d65c16db1809
+ 219136
+ 219136
+ 1
+
+ hvm
+
+
+
+ destroy
+ restart
+ destroy
+
+ /usr/bin/qemu
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/tests/qemuxml2xmltest.c b/tests/qemuxml2xmltest.c
index 266b9c0233..eae999dd63 100644
--- a/tests/qemuxml2xmltest.c
+++ b/tests/qemuxml2xmltest.c
@@ -557,6 +557,7 @@ mymain(void)
DO_TEST("hostdev-usb-address", NONE);
DO_TEST("hostdev-pci-address", NONE);
DO_TEST("hostdev-vfio", NONE);
+ DO_TEST("hostdev-mdev-precreated", NONE);
DO_TEST("pci-rom", NONE);
DO_TEST("pci-serial-dev-chardev", NONE);