[libvirt] [RFC PATCH 2/2] qemu: enable blockdev support

Fri Aug 16 14:38:00 UTC 2019

We require that 'auto-read-only' is dynamic for posix-file backeds this
prevents problems with libvirt's usage of sVirt where we don't grant
qemu permissions to write backing chain until it's needed.

Signed-off-by: Peter Krempa <pkrempa at redhat.com>
---
 src/qemu/qemu_capabilities.c                  |   3 +
 .../caps_4.1.0.x86_64.xml                     |   1 +
 .../controller-virtio-scsi.x86_64-latest.args |  35 +++--
 .../disk-aio.x86_64-latest.args               |  19 ++-
 ...-backing-chains-noindex.x86_64-latest.args | 145 +++++++++++++++---
 .../disk-cache.x86_64-latest.args             |  50 ++++--
 .../disk-cdrom-network.x86_64-latest.args     |  32 ++--
 .../disk-cdrom-tray.x86_64-latest.args        |  24 ++-
 .../disk-cdrom.x86_64-latest.args             |  21 +--
 .../disk-copy_on_read.x86_64-latest.args      |  19 ++-
 .../disk-detect-zeroes.x86_64-latest.args     |  17 +-
 .../disk-error-policy.x86_64-latest.args      |  30 ++--
 .../disk-floppy-q35-2_11.x86_64-latest.args   |  14 +-
 .../disk-floppy-q35-2_9.x86_64-latest.args    |  14 +-
 .../disk-floppy.x86_64-latest.args            |  21 ++-
 .../disk-network-gluster.x86_64-latest.args   |  32 ++--
 .../disk-network-iscsi.x86_64-latest.args     |  58 ++++---
 .../disk-network-nbd.x86_64-latest.args       |  41 +++--
 .../disk-network-rbd.x86_64-latest.args       |  67 +++++---
 .../disk-network-sheepdog.x86_64-latest.args  |  16 +-
 ...isk-network-source-auth.x86_64-latest.args |  30 ++--
 .../disk-network-tlsx509.x86_64-latest.args   |  64 +++++---
 .../disk-readonly-disk.x86_64-latest.args     |  14 +-
 .../disk-scsi-device-auto.x86_64-latest.args  |  14 +-
 .../disk-scsi.x86_64-latest.args              |  35 +++--
 .../disk-shared.x86_64-latest.args            |  36 +++--
 ...irtio-scsi-reservations.x86_64-latest.args |  20 ++-
 .../floppy-drive-fat.x86_64-latest.args       |   7 +-
 ...egl-headless-rendernode.x86_64-latest.args |   7 +-
 .../graphics-egl-headless.x86_64-latest.args  |   7 +-
 ...threads-virtio-scsi-pci.x86_64-latest.args |  25 ++-
 ...y-hotplug-nvdimm-access.x86_64-latest.args |   7 +-
 ...ry-hotplug-nvdimm-align.x86_64-latest.args |   7 +-
 ...ry-hotplug-nvdimm-label.x86_64-latest.args |   7 +-
 ...ory-hotplug-nvdimm-pmem.x86_64-latest.args |   7 +-
 ...hotplug-nvdimm-readonly.x86_64-latest.args |   7 +-
 .../memory-hotplug-nvdimm.x86_64-latest.args  |   7 +-
 ...eo-bochs-display-device.x86_64-latest.args |  10 +-
 ...virtio-non-transitional.x86_64-latest.args |   7 +-
 .../virtio-transitional.x86_64-latest.args    |   7 +-
 .../x86_64-pc-graphics.x86_64-latest.args     |   8 +-
 .../x86_64-pc-headless.x86_64-latest.args     |   8 +-
 .../x86_64-q35-graphics.x86_64-latest.args    |   8 +-
 .../x86_64-q35-headless.x86_64-latest.args    |   8 +-
 44 files changed, 710 insertions(+), 306 deletions(-)

diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c
index 83b1a12d14..0d5b8c3e4b 100644
--- a/src/qemu/qemu_capabilities.c
+++ b/src/qemu/qemu_capabilities.c
@@ -4445,6 +4445,9 @@ virQEMUCapsInitProcessCaps(virQEMUCapsPtr qemuCaps)

     if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_CPU_UNAVAILABLE_FEATURES))
         virQEMUCapsSet(qemuCaps, QEMU_CAPS_CANONICAL_CPU_FEATURES);
+    if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_BLOCK_FILE_AUTO_READONLY_DYNAMIC) &&
+        virQEMUCapsGet(qemuCaps, QEMU_CAPS_SCSI_DISK_DEVICE_ID))
+        virQEMUCapsSet(qemuCaps, QEMU_CAPS_BLOCKDEV);
 }


diff --git a/tests/qemucapabilitiesdata/caps_4.1.0.x86_64.xml b/tests/qemucapabilitiesdata/caps_4.1.0.x86_64.xml
index fbde4f3a5d..c4816d1f7d 100644
--- a/tests/qemucapabilitiesdata/caps_4.1.0.x86_64.xml
+++ b/tests/qemucapabilitiesdata/caps_4.1.0.x86_64.xml
@@ -191,6 +191,7 @@
   <flag name='usb-storage.werror'/>
   <flag name='egl-headless'/>
   <flag name='vfio-pci.display'/>
+  <flag name='blockdev'/>
   <flag name='memory-backend-memfd'/>
   <flag name='memory-backend-memfd.hugetlb'/>
   <flag name='iothread.poll-max-ns'/>
diff --git a/tests/qemuxml2argvdata/controller-virtio-scsi.x86_64-latest.args b/tests/qemuxml2argvdata/controller-virtio-scsi.x86_64-latest.args
index 32b781ced9..1647cfdd97 100644
--- a/tests/qemuxml2argvdata/controller-virtio-scsi.x86_64-latest.args
+++ b/tests/qemuxml2argvdata/controller-virtio-scsi.x86_64-latest.args
@@ -32,21 +32,36 @@ file=/tmp/lib/domain--1-QEMUGuest1/master-key.aes \
 -device virtio-scsi-pci,id=scsi2,cmd_per_lun=50,bus=pci.0,addr=0x4 \
 -device virtio-scsi-pci,id=scsi3,max_sectors=512,bus=pci.0,addr=0x5 \
 -device virtio-scsi-pci,id=scsi4,ioeventfd=on,bus=pci.0,addr=0x6 \
--drive file=/dev/HostVG/QEMUGuest1,format=raw,if=none,id=drive-scsi0-0-0-0 \
+-blockdev '{"driver":"host_device","filename":"/dev/HostVG/QEMUGuest1",\
+"node-name":"libvirt-5-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-5-format","read-only":false,"driver":"raw",\
+"file":"libvirt-5-storage"}' \
 -device scsi-hd,bus=scsi0.0,channel=0,scsi-id=0,lun=0,\
-device_id=drive-scsi0-0-0-0,drive=drive-scsi0-0-0-0,id=scsi0-0-0-0,bootindex=1 \
--drive file=/dev/HostVG/QEMUGuest2,format=raw,if=none,id=drive-scsi1-0-0-0 \
+device_id=drive-scsi0-0-0-0,drive=libvirt-5-format,id=scsi0-0-0-0,bootindex=1 \
+-blockdev '{"driver":"host_device","filename":"/dev/HostVG/QEMUGuest2",\
+"node-name":"libvirt-4-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-4-format","read-only":false,"driver":"raw",\
+"file":"libvirt-4-storage"}' \
 -device scsi-hd,bus=scsi1.0,channel=0,scsi-id=0,lun=0,\
-device_id=drive-scsi1-0-0-0,drive=drive-scsi1-0-0-0,id=scsi1-0-0-0 \
--drive file=/dev/HostVG/QEMUGuest3,format=raw,if=none,id=drive-scsi2-0-0-0 \
+device_id=drive-scsi1-0-0-0,drive=libvirt-4-format,id=scsi1-0-0-0 \
+-blockdev '{"driver":"host_device","filename":"/dev/HostVG/QEMUGuest3",\
+"node-name":"libvirt-3-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-3-format","read-only":false,"driver":"raw",\
+"file":"libvirt-3-storage"}' \
 -device scsi-hd,bus=scsi2.0,channel=0,scsi-id=0,lun=0,\
-device_id=drive-scsi2-0-0-0,drive=drive-scsi2-0-0-0,id=scsi2-0-0-0 \
--drive file=/dev/HostVG/QEMUGuest4,format=raw,if=none,id=drive-scsi3-0-0-0 \
+device_id=drive-scsi2-0-0-0,drive=libvirt-3-format,id=scsi2-0-0-0 \
+-blockdev '{"driver":"host_device","filename":"/dev/HostVG/QEMUGuest4",\
+"node-name":"libvirt-2-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-2-format","read-only":false,"driver":"raw",\
+"file":"libvirt-2-storage"}' \
 -device scsi-hd,bus=scsi3.0,channel=0,scsi-id=0,lun=0,\
-device_id=drive-scsi3-0-0-0,drive=drive-scsi3-0-0-0,id=scsi3-0-0-0 \
--drive file=/dev/HostVG/QEMUGuest5,format=raw,if=none,id=drive-scsi4-0-0-0 \
+device_id=drive-scsi3-0-0-0,drive=libvirt-2-format,id=scsi3-0-0-0 \
+-blockdev '{"driver":"host_device","filename":"/dev/HostVG/QEMUGuest5",\
+"node-name":"libvirt-1-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-1-format","read-only":false,"driver":"raw",\
+"file":"libvirt-1-storage"}' \
 -device scsi-hd,bus=scsi4.0,channel=0,scsi-id=0,lun=0,\
-device_id=drive-scsi4-0-0-0,drive=drive-scsi4-0-0-0,id=scsi4-0-0-0 \
+device_id=drive-scsi4-0-0-0,drive=libvirt-1-format,id=scsi4-0-0-0 \
 -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x7 \
 -sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,\
 resourcecontrol=deny \
diff --git a/tests/qemuxml2argvdata/disk-aio.x86_64-latest.args b/tests/qemuxml2argvdata/disk-aio.x86_64-latest.args
index 623ea39a2e..a424e58a48 100644
--- a/tests/qemuxml2argvdata/disk-aio.x86_64-latest.args
+++ b/tests/qemuxml2argvdata/disk-aio.x86_64-latest.args
@@ -27,13 +27,20 @@ file=/tmp/lib/domain--1-QEMUGuest1/master-key.aes \
 -no-acpi \
 -boot strict=on \
 -device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 \
--drive file=/dev/HostVG/QEMUGuest1,format=qcow2,if=none,id=drive-ide0-0-0,\
-cache=none,aio=native \
--device ide-hd,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0,bootindex=1,\
+-blockdev '{"driver":"host_device","filename":"/dev/HostVG/QEMUGuest1",\
+"aio":"native","node-name":"libvirt-2-storage","cache":{"direct":true,\
+"no-flush":false},"auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-2-format","read-only":false,\
+"cache":{"direct":true,"no-flush":false},"driver":"qcow2",\
+"file":"libvirt-2-storage"}' \
+-device ide-hd,bus=ide.0,unit=0,drive=libvirt-2-format,id=ide0-0-0,bootindex=1,\
 write-cache=on \
--drive file=/dev/HostVG/QEMUGuest2,format=raw,if=none,id=drive-ide0-1-0,\
-readonly=on,aio=threads \
--device ide-cd,bus=ide.1,unit=0,drive=drive-ide0-1-0,id=ide0-1-0 \
+-blockdev '{"driver":"host_device","filename":"/dev/HostVG/QEMUGuest2",\
+"aio":"threads","node-name":"libvirt-1-storage","auto-read-only":true,\
+"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-1-format","read-only":true,"driver":"raw",\
+"file":"libvirt-1-storage"}' \
+-device ide-cd,bus=ide.1,unit=0,drive=libvirt-1-format,id=ide0-1-0 \
 -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x2 \
 -sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,\
 resourcecontrol=deny \
diff --git a/tests/qemuxml2argvdata/disk-backing-chains-noindex.x86_64-latest.args b/tests/qemuxml2argvdata/disk-backing-chains-noindex.x86_64-latest.args
index bba58be46c..a2f030f165 100644
--- a/tests/qemuxml2argvdata/disk-backing-chains-noindex.x86_64-latest.args
+++ b/tests/qemuxml2argvdata/disk-backing-chains-noindex.x86_64-latest.args
@@ -27,33 +27,138 @@ file=/tmp/lib/domain--1-QEMUGuest1/master-key.aes \
 -no-acpi \
 -boot strict=on \
 -device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 \
--drive 'file=gluster+unix:///Volume2/Image?socket=/path/to/sock,file.debug=4,\
-format=qcow2,if=none,id=drive-virtio-disk0' \
--device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x2,drive=drive-virtio-disk0,\
+-blockdev '{"driver":"file","filename":"/tmp/missing-backing-store.qcow",\
+"node-name":"libvirt-25-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-25-format","read-only":true,"driver":"qcow2",\
+"file":"libvirt-25-storage"}' \
+-blockdev '{"driver":"gluster","volume":"Volume2","path":"Image",\
+"server":[{"type":"unix","path":"/path/to/sock"}],"debug":4,\
+"node-name":"libvirt-24-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-24-format","read-only":false,"driver":"qcow2",\
+"file":"libvirt-24-storage","backing":"libvirt-25-format"}' \
+-device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x2,drive=libvirt-24-format,\
 id=virtio-disk0,bootindex=1 \
--drive file=nbd:unix:/var/run/nbdsock:exportname=bar,format=qcow2,if=none,\
-id=drive-virtio-disk1 \
--device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x3,drive=drive-virtio-disk1,\
+-blockdev '{"driver":"file","filename":"/tmp/Fedora-17-x86_64-Live-KDE.iso",\
+"node-name":"libvirt-23-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-23-format","read-only":true,"driver":"raw",\
+"file":"libvirt-23-storage"}' \
+-blockdev '{"driver":"file","filename":"/tmp/image5.qcow",\
+"node-name":"libvirt-22-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-22-format","read-only":true,"driver":"qcow2",\
+"file":"libvirt-22-storage","backing":"libvirt-23-format"}' \
+-blockdev '{"driver":"file","filename":"/tmp/image4.qcow",\
+"node-name":"libvirt-21-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-21-format","read-only":true,"driver":"qcow2",\
+"file":"libvirt-21-storage","backing":"libvirt-22-format"}' \
+-blockdev '{"driver":"file","filename":"/tmp/image3.qcow",\
+"node-name":"libvirt-20-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-20-format","read-only":true,"driver":"qcow2",\
+"file":"libvirt-20-storage","backing":"libvirt-21-format"}' \
+-blockdev '{"driver":"file","filename":"/tmp/image2",\
+"node-name":"libvirt-19-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-19-format","read-only":true,"driver":"vmdk",\
+"file":"libvirt-19-storage","backing":"libvirt-20-format"}' \
+-blockdev '{"driver":"host_device","filename":"/dev/HostVG/QEMUGuest1",\
+"node-name":"libvirt-18-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-18-format","read-only":true,"driver":"qcow2",\
+"file":"libvirt-18-storage","backing":"libvirt-19-format"}' \
+-blockdev '{"driver":"nbd","server":{"type":"unix","path":"/var/run/nbdsock"},\
+"export":"bar","node-name":"libvirt-17-storage","auto-read-only":true,\
+"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-17-format","read-only":false,"driver":"qcow2",\
+"file":"libvirt-17-storage","backing":"libvirt-18-format"}' \
+-device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x3,drive=libvirt-17-format,\
 id=virtio-disk1 \
--drive file=gluster://example.org:6000/Volume1/Image,file.debug=4,format=raw,\
-if=none,id=drive-virtio-disk2 \
--device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x4,drive=drive-virtio-disk2,\
+-blockdev '{"driver":"gluster","volume":"Volume1","path":"Image",\
+"server":[{"type":"inet","host":"example.org","port":"6000"}],"debug":4,\
+"node-name":"libvirt-16-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-16-format","read-only":false,"driver":"raw",\
+"file":"libvirt-16-storage"}' \
+-device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x4,drive=libvirt-16-format,\
 id=virtio-disk2 \
--object secret,id=virtio-disk3-secret0,\
+-blockdev '{"driver":"file","filename":"/tmp/image.qcow",\
+"node-name":"libvirt-15-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-15-format","read-only":true,"driver":"qcow2",\
+"file":"libvirt-15-storage","backing":null}' \
+-object secret,id=libvirt-14-storage-secret0,\
 data=9eao5F8qtkGt+seB1HYivWIxbtwUu6MQtg1zpj/oDtUsPr1q8wBYM91uEHCn6j/1,\
 keyid=masterKey0,iv=AAECAwQFBgcICQoLDA0ODw==,format=base64 \
--drive 'file=rbd:pool/image:id=myname:auth_supported=cephx\;none:\
-mon_host=mon1.example.org\:6321\;mon2.example.org\:6322\;mon3.example.org\:\
-6322,file.password-secret=virtio-disk3-secret0,format=qcow2,if=none,\
-id=drive-virtio-disk3' \
--device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x5,drive=drive-virtio-disk3,\
+-blockdev '{"driver":"rbd","pool":"pool","image":"image",\
+"server":[{"host":"mon1.example.org","port":"6321"},{"host":"mon2.example.org",\
+"port":"6322"},{"host":"mon3.example.org","port":"6322"}],"user":"myname",\
+"auth-client-required":["cephx","none"],\
+"key-secret":"libvirt-14-storage-secret0","node-name":"libvirt-14-storage",\
+"auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-14-format","read-only":false,"driver":"qcow2",\
+"file":"libvirt-14-storage","backing":"libvirt-15-format"}' \
+-device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x5,drive=libvirt-14-format,\
 id=virtio-disk3 \
--drive file=/dev/HostVG/QEMUGuest11,format=qcow2,if=none,id=drive-virtio-disk4 \
--device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x6,drive=drive-virtio-disk4,\
+-blockdev '{"driver":"host_device","filename":"/dev/HostVG/QEMUGuest11",\
+"node-name":"libvirt-13-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-13-format","read-only":false,"driver":"qcow2",\
+"file":"libvirt-13-storage"}' \
+-device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x6,drive=libvirt-13-format,\
 id=virtio-disk4 \
--drive file=/var/lib/libvirt/images/rhel7.1484071880,format=qcow2,if=none,\
-id=drive-virtio-disk5 \
--device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x7,drive=drive-virtio-disk5,\
+-blockdev '{"driver":"file","filename":"/var/lib/libvirt/images/rhel7.qcow2",\
+"node-name":"libvirt-12-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-12-format","read-only":true,"driver":"qcow2",\
+"file":"libvirt-12-storage","backing":null}' \
+-blockdev '{"driver":"file",\
+"filename":"/var/lib/libvirt/images/rhel7.1483536402",\
+"node-name":"libvirt-11-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-11-format","read-only":true,"driver":"qcow2",\
+"file":"libvirt-11-storage","backing":"libvirt-12-format"}' \
+-blockdev '{"driver":"file",\
+"filename":"/var/lib/libvirt/images/rhel7.1483545313",\
+"node-name":"libvirt-10-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-10-format","read-only":true,"driver":"qcow2",\
+"file":"libvirt-10-storage","backing":"libvirt-11-format"}' \
+-blockdev '{"driver":"file",\
+"filename":"/var/lib/libvirt/images/rhel7.1483545901",\
+"node-name":"libvirt-9-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-9-format","read-only":true,"driver":"qcow2",\
+"file":"libvirt-9-storage","backing":"libvirt-10-format"}' \
+-blockdev '{"driver":"file",\
+"filename":"/var/lib/libvirt/images/rhel7.1483546244",\
+"node-name":"libvirt-8-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-8-format","read-only":true,"driver":"qcow2",\
+"file":"libvirt-8-storage","backing":"libvirt-9-format"}' \
+-blockdev '{"driver":"file",\
+"filename":"/var/lib/libvirt/images/rhel7.1483605920",\
+"node-name":"libvirt-7-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-7-format","read-only":true,"driver":"qcow2",\
+"file":"libvirt-7-storage","backing":"libvirt-8-format"}' \
+-blockdev '{"driver":"file",\
+"filename":"/var/lib/libvirt/images/rhel7.1483605924",\
+"node-name":"libvirt-6-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-6-format","read-only":true,"driver":"qcow2",\
+"file":"libvirt-6-storage","backing":"libvirt-7-format"}' \
+-blockdev '{"driver":"file",\
+"filename":"/var/lib/libvirt/images/rhel7.1483615252",\
+"node-name":"libvirt-5-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-5-format","read-only":true,"driver":"qcow2",\
+"file":"libvirt-5-storage","backing":"libvirt-6-format"}' \
+-blockdev '{"driver":"file",\
+"filename":"/var/lib/libvirt/images/rhel7.1484071872",\
+"node-name":"libvirt-4-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-4-format","read-only":true,"driver":"qcow2",\
+"file":"libvirt-4-storage","backing":"libvirt-5-format"}' \
+-blockdev '{"driver":"file",\
+"filename":"/var/lib/libvirt/images/rhel7.1484071876",\
+"node-name":"libvirt-3-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-3-format","read-only":true,"driver":"qcow2",\
+"file":"libvirt-3-storage","backing":"libvirt-4-format"}' \
+-blockdev '{"driver":"file",\
+"filename":"/var/lib/libvirt/images/rhel7.1484071877",\
+"node-name":"libvirt-2-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-2-format","read-only":true,"driver":"qcow2",\
+"file":"libvirt-2-storage","backing":"libvirt-3-format"}' \
+-blockdev '{"driver":"file",\
+"filename":"/var/lib/libvirt/images/rhel7.1484071880",\
+"node-name":"libvirt-1-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-1-format","read-only":false,"driver":"qcow2",\
+"file":"libvirt-1-storage","backing":"libvirt-2-format"}' \
+-device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x7,drive=libvirt-1-format,\
 id=virtio-disk5 \
 -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x8 \
 -sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,\
diff --git a/tests/qemuxml2argvdata/disk-cache.x86_64-latest.args b/tests/qemuxml2argvdata/disk-cache.x86_64-latest.args
index 7ea6d5b4d5..cf2bfe83b7 100644
--- a/tests/qemuxml2argvdata/disk-cache.x86_64-latest.args
+++ b/tests/qemuxml2argvdata/disk-cache.x86_64-latest.args
@@ -28,25 +28,45 @@ file=/tmp/lib/domain--1-QEMUGuest1/master-key.aes \
 -boot strict=on \
 -device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 \
 -device lsi,id=scsi0,bus=pci.0,addr=0x2 \
--drive file=/dev/HostVG/QEMUGuest1,format=qcow2,if=none,id=drive-ide0-0-0,\
-cache=writeback \
--device ide-hd,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0,bootindex=1,\
+-blockdev '{"driver":"host_device","filename":"/dev/HostVG/QEMUGuest1",\
+"node-name":"libvirt-5-storage","cache":{"direct":false,"no-flush":false},\
+"auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-5-format","read-only":false,\
+"cache":{"direct":false,"no-flush":false},"driver":"qcow2",\
+"file":"libvirt-5-storage"}' \
+-device ide-hd,bus=ide.0,unit=0,drive=libvirt-5-format,id=ide0-0-0,bootindex=1,\
 write-cache=on \
--drive file=/dev/HostVG/QEMUGuest1,format=qcow2,if=none,id=drive-ide0-0-1,\
-cache=unsafe \
--device ide-hd,bus=ide.0,unit=1,drive=drive-ide0-0-1,id=ide0-0-1,\
+-blockdev '{"driver":"host_device","filename":"/dev/HostVG/QEMUGuest1",\
+"node-name":"libvirt-4-storage","cache":{"direct":false,"no-flush":true},\
+"auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-4-format","read-only":false,\
+"cache":{"direct":false,"no-flush":true},"driver":"qcow2",\
+"file":"libvirt-4-storage"}' \
+-device ide-hd,bus=ide.0,unit=1,drive=libvirt-4-format,id=ide0-0-1,\
 write-cache=on \
--drive file=/dev/HostVG/QEMUGuest1,format=qcow2,if=none,id=drive-scsi0-0-0,\
-cache=none \
+-blockdev '{"driver":"host_device","filename":"/dev/HostVG/QEMUGuest1",\
+"node-name":"libvirt-3-storage","cache":{"direct":true,"no-flush":false},\
+"auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-3-format","read-only":false,\
+"cache":{"direct":true,"no-flush":false},"driver":"qcow2",\
+"file":"libvirt-3-storage"}' \
 -device scsi-hd,bus=scsi0.0,scsi-id=0,device_id=drive-scsi0-0-0,\
-drive=drive-scsi0-0-0,id=scsi0-0-0,write-cache=on \
--drive file=/dev/HostVG/QEMUGuest1,format=qcow2,if=none,id=drive-virtio-disk0,\
-cache=writethrough \
--device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x3,drive=drive-virtio-disk0,\
+drive=libvirt-3-format,id=scsi0-0-0,write-cache=on \
+-blockdev '{"driver":"host_device","filename":"/dev/HostVG/QEMUGuest1",\
+"node-name":"libvirt-2-storage","cache":{"direct":false,"no-flush":false},\
+"auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-2-format","read-only":false,\
+"cache":{"direct":false,"no-flush":false},"driver":"qcow2",\
+"file":"libvirt-2-storage"}' \
+-device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x3,drive=libvirt-2-format,\
 id=virtio-disk0,write-cache=off \
--drive file=/dev/HostVG/QEMUGuest1,format=qcow2,if=none,id=drive-usb-disk1,\
-cache=directsync \
--device usb-storage,bus=usb.0,port=1,drive=drive-usb-disk1,id=usb-disk1,\
+-blockdev '{"driver":"host_device","filename":"/dev/HostVG/QEMUGuest1",\
+"node-name":"libvirt-1-storage","cache":{"direct":true,"no-flush":false},\
+"auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-1-format","read-only":false,\
+"cache":{"direct":true,"no-flush":false},"driver":"qcow2",\
+"file":"libvirt-1-storage"}' \
+-device usb-storage,bus=usb.0,port=1,drive=libvirt-1-format,id=usb-disk1,\
 removable=off,write-cache=off \
 -sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,\
 resourcecontrol=deny \
diff --git a/tests/qemuxml2argvdata/disk-cdrom-network.x86_64-latest.args b/tests/qemuxml2argvdata/disk-cdrom-network.x86_64-latest.args
index cf711c0a3f..056a73c4aa 100644
--- a/tests/qemuxml2argvdata/disk-cdrom-network.x86_64-latest.args
+++ b/tests/qemuxml2argvdata/disk-cdrom-network.x86_64-latest.args
@@ -26,18 +26,26 @@ file=/tmp/lib/domain--1-QEMUGuest1/master-key.aes \
 -no-shutdown \
 -boot strict=on \
 -device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 \
--drive file=ftp://host.name:21/url/path/file.iso,format=raw,if=none,\
-id=drive-ide0-0-0,readonly=on \
--device ide-cd,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0,bootindex=1 \
--drive file=ftps://host.name:990/url/path/file.iso,format=raw,if=none,\
-id=drive-ide0-0-1,readonly=on \
--device ide-cd,bus=ide.0,unit=1,drive=drive-ide0-0-1,id=ide0-0-1 \
--drive file=https://host.name:443/url/path/file.iso,format=raw,if=none,\
-id=drive-ide0-1-0,readonly=on \
--device ide-cd,bus=ide.1,unit=0,drive=drive-ide0-1-0,id=ide0-1-0 \
--drive file=tftp://host.name:69/url/path/file.iso,format=raw,if=none,\
-id=drive-ide0-1-1,readonly=on \
--device ide-cd,bus=ide.1,unit=1,drive=drive-ide0-1-1,id=ide0-1-1 \
+-blockdev '{"driver":"ftp","url":"ftp://host.name:21/url/path/file.iso",\
+"node-name":"libvirt-4-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-4-format","read-only":true,"driver":"raw",\
+"file":"libvirt-4-storage"}' \
+-device ide-cd,bus=ide.0,unit=0,drive=libvirt-4-format,id=ide0-0-0,bootindex=1 \
+-blockdev '{"driver":"ftps","url":"ftps://host.name:990/url/path/file.iso",\
+"node-name":"libvirt-3-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-3-format","read-only":true,"driver":"raw",\
+"file":"libvirt-3-storage"}' \
+-device ide-cd,bus=ide.0,unit=1,drive=libvirt-3-format,id=ide0-0-1 \
+-blockdev '{"driver":"https","url":"https://host.name:443/url/path/file.iso",\
+"node-name":"libvirt-2-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-2-format","read-only":true,"driver":"raw",\
+"file":"libvirt-2-storage"}' \
+-device ide-cd,bus=ide.1,unit=0,drive=libvirt-2-format,id=ide0-1-0 \
+-blockdev '{"driver":"tftp","url":"tftp://host.name:69/url/path/file.iso",\
+"node-name":"libvirt-1-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-1-format","read-only":true,"driver":"raw",\
+"file":"libvirt-1-storage"}' \
+-device ide-cd,bus=ide.1,unit=1,drive=libvirt-1-format,id=ide0-1-1 \
 -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x2 \
 -sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,\
 resourcecontrol=deny \
diff --git a/tests/qemuxml2argvdata/disk-cdrom-tray.x86_64-latest.args b/tests/qemuxml2argvdata/disk-cdrom-tray.x86_64-latest.args
index ad17416851..65974ca759 100644
--- a/tests/qemuxml2argvdata/disk-cdrom-tray.x86_64-latest.args
+++ b/tests/qemuxml2argvdata/disk-cdrom-tray.x86_64-latest.args
@@ -27,15 +27,23 @@ file=/tmp/lib/domain--1-test/master-key.aes \
 -no-acpi \
 -boot menu=on,strict=on \
 -device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 \
--drive file=/var/lib/libvirt/images/f14.img,format=qcow2,if=none,\
-id=drive-virtio-disk0 \
--device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x4,drive=drive-virtio-disk0,\
+-blockdev '{"driver":"file","filename":"/var/lib/libvirt/images/f14.img",\
+"node-name":"libvirt-3-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-3-format","read-only":false,"driver":"qcow2",\
+"file":"libvirt-3-storage"}' \
+-device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x4,drive=libvirt-3-format,\
 id=virtio-disk0,bootindex=2 \
--drive file=/var/lib/libvirt/Fedora-14-x86_64-Live-KDE.iso,format=raw,if=none,\
-id=drive-ide0-1-0,readonly=on \
--device ide-cd,bus=ide.1,unit=0,drive=drive-ide0-1-0,id=ide0-1-0,bootindex=1 \
--drive if=none,id=drive-ide0-1-1,readonly=on \
--device ide-cd,bus=ide.1,unit=1,drive=drive-ide0-1-1,id=ide0-1-1 \
+-blockdev '{"driver":"file",\
+"filename":"/var/lib/libvirt/Fedora-14-x86_64-Live-KDE.iso",\
+"node-name":"libvirt-2-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-2-format","read-only":true,"driver":"raw",\
+"file":"libvirt-2-storage"}' \
+-device ide-cd,bus=ide.1,unit=0,drive=libvirt-2-format,id=ide0-1-0,bootindex=1 \
+-blockdev '{"driver":"file","filename":"/tmp/cdrom.img",\
+"node-name":"libvirt-1-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-1-format","read-only":true,"driver":"raw",\
+"file":"libvirt-1-storage"}' \
+-device ide-cd,bus=ide.1,unit=1,drive=libvirt-1-format,id=ide0-1-1 \
 -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x2 \
 -sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,\
 resourcecontrol=deny \
diff --git a/tests/qemuxml2argvdata/disk-cdrom.x86_64-latest.args b/tests/qemuxml2argvdata/disk-cdrom.x86_64-latest.args
index bacef71aad..a32daba5e7 100644
--- a/tests/qemuxml2argvdata/disk-cdrom.x86_64-latest.args
+++ b/tests/qemuxml2argvdata/disk-cdrom.x86_64-latest.args
@@ -27,15 +27,18 @@ file=/tmp/lib/domain--1-QEMUGuest1/master-key.aes \
 -no-acpi \
 -boot strict=on \
 -device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 \
--drive file=/dev/HostVG/QEMUGuest1,format=raw,if=none,id=drive-ide0-0-0 \
--device ide-hd,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0,bootindex=1 \
--drive file=/root/boot.iso,format=raw,if=none,id=drive-ide0-0-1,readonly=on \
--device ide-cd,bus=ide.0,unit=1,drive=drive-ide0-0-1,id=ide0-0-1 \
--drive if=none,id=drive-ide0-1-0,readonly=on \
--device ide-cd,bus=ide.1,unit=0,drive=drive-ide0-1-0,id=ide0-1-0,\
-write-cache=on \
--drive if=none,id=drive-ide0-1-1,readonly=on \
--device ide-cd,bus=ide.1,unit=1,drive=drive-ide0-1-1,id=ide0-1-1 \
+-blockdev '{"driver":"host_device","filename":"/dev/HostVG/QEMUGuest1",\
+"node-name":"libvirt-4-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-4-format","read-only":false,"driver":"raw",\
+"file":"libvirt-4-storage"}' \
+-device ide-hd,bus=ide.0,unit=0,drive=libvirt-4-format,id=ide0-0-0,bootindex=1 \
+-blockdev '{"driver":"file","filename":"/root/boot.iso",\
+"node-name":"libvirt-3-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-3-format","read-only":true,"driver":"raw",\
+"file":"libvirt-3-storage"}' \
+-device ide-cd,bus=ide.0,unit=1,drive=libvirt-3-format,id=ide0-0-1 \
+-device ide-cd,bus=ide.1,unit=0,id=ide0-1-0,write-cache=on \
+-device ide-cd,bus=ide.1,unit=1,id=ide0-1-1 \
 -sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,\
 resourcecontrol=deny \
 -msg timestamp=on
diff --git a/tests/qemuxml2argvdata/disk-copy_on_read.x86_64-latest.args b/tests/qemuxml2argvdata/disk-copy_on_read.x86_64-latest.args
index 1f1d37c957..58bab55572 100644
--- a/tests/qemuxml2argvdata/disk-copy_on_read.x86_64-latest.args
+++ b/tests/qemuxml2argvdata/disk-copy_on_read.x86_64-latest.args
@@ -28,13 +28,20 @@ file=/tmp/lib/domain--1-test/master-key.aes \
 -boot menu=on,strict=on \
 -device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 \
 -device virtio-serial-pci,id=virtio-serial0,bus=pci.0,addr=0x6 \
--drive file=/var/lib/libvirt/images/f14.img,format=qcow2,if=none,\
-id=drive-virtio-disk0,copy-on-read=on \
--device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x4,drive=drive-virtio-disk0,\
+-blockdev '{"driver":"file","filename":"/var/lib/libvirt/images/f14.img",\
+"node-name":"libvirt-2-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-2-format","read-only":false,"driver":"qcow2",\
+"file":"libvirt-2-storage"}' \
+-blockdev '{"driver":"copy-on-read","node-name":"libvirt-CoR-vda",\
+"file":"libvirt-2-format"}' \
+-device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x4,drive=libvirt-CoR-vda,\
 id=virtio-disk0,bootindex=2 \
--drive file=/var/lib/libvirt/Fedora-14-x86_64-Live-KDE.iso,format=raw,if=none,\
-id=drive-ide0-1-0,readonly=on \
--device ide-cd,bus=ide.1,unit=0,drive=drive-ide0-1-0,id=ide0-1-0,bootindex=1 \
+-blockdev '{"driver":"file",\
+"filename":"/var/lib/libvirt/Fedora-14-x86_64-Live-KDE.iso",\
+"node-name":"libvirt-1-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-1-format","read-only":true,"driver":"raw",\
+"file":"libvirt-1-storage"}' \
+-device ide-cd,bus=ide.1,unit=0,drive=libvirt-1-format,id=ide0-1-0,bootindex=1 \
 -netdev user,id=hostnet0 \
 -device virtio-net-pci,tx=bh,netdev=hostnet0,id=net0,mac=52:54:00:e5:48:58,\
 bus=pci.0,addr=0x2 \
diff --git a/tests/qemuxml2argvdata/disk-detect-zeroes.x86_64-latest.args b/tests/qemuxml2argvdata/disk-detect-zeroes.x86_64-latest.args
index b48c0f8d43..381956291c 100644
--- a/tests/qemuxml2argvdata/disk-detect-zeroes.x86_64-latest.args
+++ b/tests/qemuxml2argvdata/disk-detect-zeroes.x86_64-latest.args
@@ -27,13 +27,18 @@ file=/tmp/lib/domain--1-test/master-key.aes \
 -no-acpi \
 -boot menu=on,strict=on \
 -device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 \
--drive file=/var/lib/libvirt/images/f14.img,format=qcow2,if=none,\
-id=drive-virtio-disk0,discard=unmap,detect-zeroes=unmap \
--device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x4,drive=drive-virtio-disk0,\
+-blockdev '{"driver":"file","filename":"/var/lib/libvirt/images/f14.img",\
+"node-name":"libvirt-2-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-2-format","read-only":false,"discard":"unmap",\
+"detect-zeroes":"unmap","driver":"qcow2","file":"libvirt-2-storage"}' \
+-device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x4,drive=libvirt-2-format,\
 id=virtio-disk0,bootindex=2 \
--drive file=/var/lib/libvirt/Fedora-14-x86_64-Live-KDE.iso,format=raw,if=none,\
-id=drive-ide0-1-0,readonly=on,discard=ignore,detect-zeroes=on \
--device ide-cd,bus=ide.1,unit=0,drive=drive-ide0-1-0,id=ide0-1-0,bootindex=1 \
+-blockdev '{"driver":"file",\
+"filename":"/var/lib/libvirt/Fedora-14-x86_64-Live-KDE.iso",\
+"node-name":"libvirt-1-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-1-format","read-only":true,"discard":"ignore",\
+"detect-zeroes":"on","driver":"raw","file":"libvirt-1-storage"}' \
+-device ide-cd,bus=ide.1,unit=0,drive=libvirt-1-format,id=ide0-1-0,bootindex=1 \
 -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3 \
 -sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,\
 resourcecontrol=deny \
diff --git a/tests/qemuxml2argvdata/disk-error-policy.x86_64-latest.args b/tests/qemuxml2argvdata/disk-error-policy.x86_64-latest.args
index ea754cef0f..2ed63972bc 100644
--- a/tests/qemuxml2argvdata/disk-error-policy.x86_64-latest.args
+++ b/tests/qemuxml2argvdata/disk-error-policy.x86_64-latest.args
@@ -27,17 +27,29 @@ file=/tmp/lib/domain--1-QEMUGuest1/master-key.aes \
 -no-acpi \
 -boot strict=on \
 -device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 \
--drive file=/dev/HostVG/QEMUGuest1,format=qcow2,if=none,id=drive-ide0-0-0,\
-cache=none \
--device ide-hd,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0,bootindex=1,\
+-blockdev '{"driver":"host_device","filename":"/dev/HostVG/QEMUGuest1",\
+"node-name":"libvirt-3-storage","cache":{"direct":true,"no-flush":false},\
+"auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-3-format","read-only":false,\
+"cache":{"direct":true,"no-flush":false},"driver":"qcow2",\
+"file":"libvirt-3-storage"}' \
+-device ide-hd,bus=ide.0,unit=0,drive=libvirt-3-format,id=ide0-0-0,bootindex=1,\
 write-cache=on,werror=stop,rerror=stop \
--drive file=/dev/HostVG/QEMUGuest2,format=qcow2,if=none,id=drive-ide0-0-1,\
-cache=none \
--device ide-hd,bus=ide.0,unit=1,drive=drive-ide0-0-1,id=ide0-0-1,\
+-blockdev '{"driver":"host_device","filename":"/dev/HostVG/QEMUGuest2",\
+"node-name":"libvirt-2-storage","cache":{"direct":true,"no-flush":false},\
+"auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-2-format","read-only":false,\
+"cache":{"direct":true,"no-flush":false},"driver":"qcow2",\
+"file":"libvirt-2-storage"}' \
+-device ide-hd,bus=ide.0,unit=1,drive=libvirt-2-format,id=ide0-0-1,\
 write-cache=on,werror=enospc \
--drive file=/dev/HostVG/QEMUGuest3,format=qcow2,if=none,id=drive-ide0-1-0,\
-cache=none \
--device ide-hd,bus=ide.1,unit=0,drive=drive-ide0-1-0,id=ide0-1-0,\
+-blockdev '{"driver":"host_device","filename":"/dev/HostVG/QEMUGuest3",\
+"node-name":"libvirt-1-storage","cache":{"direct":true,"no-flush":false},\
+"auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-1-format","read-only":false,\
+"cache":{"direct":true,"no-flush":false},"driver":"qcow2",\
+"file":"libvirt-1-storage"}' \
+-device ide-hd,bus=ide.1,unit=0,drive=libvirt-1-format,id=ide0-1-0,\
 write-cache=on,werror=report,rerror=ignore \
 -sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,\
 resourcecontrol=deny \
diff --git a/tests/qemuxml2argvdata/disk-floppy-q35-2_11.x86_64-latest.args b/tests/qemuxml2argvdata/disk-floppy-q35-2_11.x86_64-latest.args
index 02e2b1e76c..81521c2425 100644
--- a/tests/qemuxml2argvdata/disk-floppy-q35-2_11.x86_64-latest.args
+++ b/tests/qemuxml2argvdata/disk-floppy-q35-2_11.x86_64-latest.args
@@ -30,9 +30,17 @@ file=/tmp/lib/domain--1-QEMUGuest1/master-key.aes \
 addr=0x1 \
 -device pcie-root-port,port=0x9,chassis=2,id=pci.2,bus=pcie.0,addr=0x1.0x1 \
 -device qemu-xhci,id=usb,bus=pci.1,addr=0x0 \
--drive file=/tmp/firmware.img,format=raw,if=none,id=drive-fdc0-0-0 \
--drive file=/tmp/data.img,format=qcow2,if=none,id=drive-fdc0-0-1 \
--device isa-fdc,driveA=drive-fdc0-0-0,bootindexA=1,driveB=drive-fdc0-0-1 \
+-device isa-fdc,bootindexA=1 \
+-blockdev '{"driver":"file","filename":"/tmp/firmware.img",\
+"node-name":"libvirt-2-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-2-format","read-only":false,"driver":"raw",\
+"file":"libvirt-2-storage"}' \
+-device floppy,unit=0,drive=libvirt-2-format,id=fdc0-0-0 \
+-blockdev '{"driver":"file","filename":"/tmp/data.img",\
+"node-name":"libvirt-1-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-1-format","read-only":false,"driver":"qcow2",\
+"file":"libvirt-1-storage"}' \
+-device floppy,unit=1,drive=libvirt-1-format,id=fdc0-0-1 \
 -sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,\
 resourcecontrol=deny \
 -msg timestamp=on
diff --git a/tests/qemuxml2argvdata/disk-floppy-q35-2_9.x86_64-latest.args b/tests/qemuxml2argvdata/disk-floppy-q35-2_9.x86_64-latest.args
index a158e8e3d3..43aad24a03 100644
--- a/tests/qemuxml2argvdata/disk-floppy-q35-2_9.x86_64-latest.args
+++ b/tests/qemuxml2argvdata/disk-floppy-q35-2_9.x86_64-latest.args
@@ -30,9 +30,17 @@ file=/tmp/lib/domain--1-QEMUGuest1/master-key.aes \
 addr=0x1 \
 -device pcie-root-port,port=0x9,chassis=2,id=pci.2,bus=pcie.0,addr=0x1.0x1 \
 -device qemu-xhci,id=usb,bus=pci.1,addr=0x0 \
--drive file=/tmp/firmware.img,format=raw,if=none,id=drive-fdc0-0-0 \
--drive file=/tmp/data.img,format=qcow2,if=none,id=drive-fdc0-0-1 \
--device isa-fdc,driveA=drive-fdc0-0-0,bootindexA=1,driveB=drive-fdc0-0-1 \
+-device isa-fdc,bootindexA=1 \
+-blockdev '{"driver":"file","filename":"/tmp/firmware.img",\
+"node-name":"libvirt-2-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-2-format","read-only":false,"driver":"raw",\
+"file":"libvirt-2-storage"}' \
+-device floppy,unit=0,drive=libvirt-2-format,id=fdc0-0-0 \
+-blockdev '{"driver":"file","filename":"/tmp/data.img",\
+"node-name":"libvirt-1-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-1-format","read-only":false,"driver":"qcow2",\
+"file":"libvirt-1-storage"}' \
+-device floppy,unit=1,drive=libvirt-1-format,id=fdc0-0-1 \
 -sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,\
 resourcecontrol=deny \
 -msg timestamp=on
diff --git a/tests/qemuxml2argvdata/disk-floppy.x86_64-latest.args b/tests/qemuxml2argvdata/disk-floppy.x86_64-latest.args
index f2ce94a330..1376eaeed6 100644
--- a/tests/qemuxml2argvdata/disk-floppy.x86_64-latest.args
+++ b/tests/qemuxml2argvdata/disk-floppy.x86_64-latest.args
@@ -27,12 +27,21 @@ file=/tmp/lib/domain--1-QEMUGuest1/master-key.aes \
 -no-acpi \
 -boot strict=on \
 -device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 \
--drive file=/dev/HostVG/QEMUGuest1,format=raw,if=none,id=drive-ide0-0-0 \
--device ide-hd,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0,bootindex=1 \
--drive file=/dev/fd0,format=raw,if=none,id=drive-fdc0-0-0 \
--drive file=/tmp/firmware.img,format=raw,if=none,id=drive-fdc0-0-1 \
--global isa-fdc.driveA=drive-fdc0-0-0 \
--global isa-fdc.driveB=drive-fdc0-0-1 \
+-blockdev '{"driver":"host_device","filename":"/dev/HostVG/QEMUGuest1",\
+"node-name":"libvirt-3-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-3-format","read-only":false,"driver":"raw",\
+"file":"libvirt-3-storage"}' \
+-device ide-hd,bus=ide.0,unit=0,drive=libvirt-3-format,id=ide0-0-0,bootindex=1 \
+-blockdev '{"driver":"host_device","filename":"/dev/fd0",\
+"node-name":"libvirt-2-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-2-format","read-only":false,"driver":"raw",\
+"file":"libvirt-2-storage"}' \
+-device floppy,unit=0,drive=libvirt-2-format,id=fdc0-0-0 \
+-blockdev '{"driver":"file","filename":"/tmp/firmware.img",\
+"node-name":"libvirt-1-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-1-format","read-only":false,"driver":"raw",\
+"file":"libvirt-1-storage"}' \
+-device floppy,unit=1,drive=libvirt-1-format,id=fdc0-0-1 \
 -sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,\
 resourcecontrol=deny \
 -msg timestamp=on
diff --git a/tests/qemuxml2argvdata/disk-network-gluster.x86_64-latest.args b/tests/qemuxml2argvdata/disk-network-gluster.x86_64-latest.args
index c34abe89b4..76aeccf6d8 100644
--- a/tests/qemuxml2argvdata/disk-network-gluster.x86_64-latest.args
+++ b/tests/qemuxml2argvdata/disk-network-gluster.x86_64-latest.args
@@ -27,20 +27,28 @@ file=/tmp/lib/domain--1-QEMUGuest1/master-key.aes \
 -no-acpi \
 -boot strict=on \
 -device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 \
--drive file=gluster://example.org:6000/Volume1/Image,file.debug=4,format=raw,\
-if=none,id=drive-virtio-disk0 \
--device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x2,drive=drive-virtio-disk0,\
+-blockdev '{"driver":"gluster","volume":"Volume1","path":"Image",\
+"server":[{"type":"inet","host":"example.org","port":"6000"}],"debug":4,\
+"node-name":"libvirt-3-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-3-format","read-only":false,"driver":"raw",\
+"file":"libvirt-3-storage"}' \
+-device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x2,drive=libvirt-3-format,\
 id=virtio-disk0,bootindex=1 \
--drive 'file=gluster+unix:///Volume2/Image?socket=/path/to/sock,file.debug=4,\
-format=raw,if=none,id=drive-virtio-disk1' \
--device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x3,drive=drive-virtio-disk1,\
+-blockdev '{"driver":"gluster","volume":"Volume2","path":"Image",\
+"server":[{"type":"unix","path":"/path/to/sock"}],"debug":4,\
+"node-name":"libvirt-2-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-2-format","read-only":false,"driver":"raw",\
+"file":"libvirt-2-storage"}' \
+-device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x3,drive=libvirt-2-format,\
 id=virtio-disk1 \
--drive file.driver=gluster,file.volume=Volume3,file.path=Image.qcow2,\
-file.server.0.type=tcp,file.server.0.host=example.org,file.server.0.port=6000,\
-file.server.1.type=tcp,file.server.1.host=example.org,file.server.1.port=24007,\
-file.server.2.type=unix,file.server.2.socket=/path/to/sock,file.debug=4,\
-format=qcow2,if=none,id=drive-virtio-disk2 \
--device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x4,drive=drive-virtio-disk2,\
+-blockdev '{"driver":"gluster","volume":"Volume3","path":"Image.qcow2",\
+"server":[{"type":"inet","host":"example.org","port":"6000"},{"type":"inet",\
+"host":"example.org","port":"24007"},{"type":"unix","path":"/path/to/sock"}],\
+"debug":4,"node-name":"libvirt-1-storage","auto-read-only":true,\
+"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-1-format","read-only":false,"driver":"qcow2",\
+"file":"libvirt-1-storage"}' \
+-device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x4,drive=libvirt-1-format,\
 id=virtio-disk2 \
 -sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,\
 resourcecontrol=deny \
diff --git a/tests/qemuxml2argvdata/disk-network-iscsi.x86_64-latest.args b/tests/qemuxml2argvdata/disk-network-iscsi.x86_64-latest.args
index 19fcd97c80..5bf3e350df 100644
--- a/tests/qemuxml2argvdata/disk-network-iscsi.x86_64-latest.args
+++ b/tests/qemuxml2argvdata/disk-network-iscsi.x86_64-latest.args
@@ -28,39 +28,49 @@ file=/tmp/lib/domain--1-QEMUGuest1/master-key.aes \
 -boot strict=on \
 -device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 \
 -device virtio-scsi-pci,id=scsi0,bus=pci.0,addr=0x2 \
--drive file.driver=iscsi,file.portal=example.org:6000,\
-file.target=iqn.1992-01.com.example,file.lun=0,file.transport=tcp,format=raw,\
-if=none,id=drive-virtio-disk0 \
--device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x3,drive=drive-virtio-disk0,\
+-blockdev '{"driver":"iscsi","portal":"example.org:6000",\
+"target":"iqn.1992-01.com.example","lun":0,"transport":"tcp",\
+"node-name":"libvirt-5-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-5-format","read-only":false,"driver":"raw",\
+"file":"libvirt-5-storage"}' \
+-device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x3,drive=libvirt-5-format,\
 id=virtio-disk0,bootindex=1 \
--drive file.driver=iscsi,file.portal=example.org:6000,\
-file.target=iqn.1992-01.com.example,file.lun=1,file.transport=tcp,format=raw,\
-if=none,id=drive-virtio-disk1 \
--device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x4,drive=drive-virtio-disk1,\
+-blockdev '{"driver":"iscsi","portal":"example.org:6000",\
+"target":"iqn.1992-01.com.example","lun":1,"transport":"tcp",\
+"node-name":"libvirt-4-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-4-format","read-only":false,"driver":"raw",\
+"file":"libvirt-4-storage"}' \
+-device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x4,drive=libvirt-4-format,\
 id=virtio-disk1 \
--object secret,id=virtio-disk2-secret0,\
+-object secret,id=libvirt-3-storage-secret0,\
 data=9eao5F8qtkGt+seB1HYivWIxbtwUu6MQtg1zpj/oDtUsPr1q8wBYM91uEHCn6j/1,\
 keyid=masterKey0,iv=AAECAwQFBgcICQoLDA0ODw==,format=base64 \
--drive file.driver=iscsi,file.portal=example.org:6000,\
-file.target=iqn.1992-01.com.example:storage,file.lun=1,file.transport=tcp,\
-file.user=myname,file.password-secret=virtio-disk2-secret0,format=raw,if=none,\
-id=drive-virtio-disk2 \
--device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x5,drive=drive-virtio-disk2,\
+-blockdev '{"driver":"iscsi","portal":"example.org:6000",\
+"target":"iqn.1992-01.com.example:storage","lun":1,"transport":"tcp",\
+"user":"myname","password-secret":"libvirt-3-storage-secret0",\
+"node-name":"libvirt-3-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-3-format","read-only":false,"driver":"raw",\
+"file":"libvirt-3-storage"}' \
+-device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x5,drive=libvirt-3-format,\
 id=virtio-disk2 \
--object secret,id=virtio-disk3-secret0,\
+-object secret,id=libvirt-2-storage-secret0,\
 data=9eao5F8qtkGt+seB1HYivWIxbtwUu6MQtg1zpj/oDtUsPr1q8wBYM91uEHCn6j/1,\
 keyid=masterKey0,iv=AAECAwQFBgcICQoLDA0ODw==,format=base64 \
--drive file.driver=iscsi,file.portal=example.org:6000,\
-file.target=iqn.1992-01.com.example:storage,file.lun=2,file.transport=tcp,\
-file.user=myname,file.password-secret=virtio-disk3-secret0,format=raw,if=none,\
-id=drive-virtio-disk3 \
--device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x6,drive=drive-virtio-disk3,\
+-blockdev '{"driver":"iscsi","portal":"example.org:6000",\
+"target":"iqn.1992-01.com.example:storage","lun":2,"transport":"tcp",\
+"user":"myname","password-secret":"libvirt-2-storage-secret0",\
+"node-name":"libvirt-2-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-2-format","read-only":false,"driver":"raw",\
+"file":"libvirt-2-storage"}' \
+-device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x6,drive=libvirt-2-format,\
 id=virtio-disk3 \
--drive file.driver=iscsi,file.portal=example.org:3260,\
-file.target=iqn.1992-01.com.example,file.lun=0,file.transport=tcp,format=raw,\
-if=none,id=drive-scsi0-0-0-0 \
+-blockdev '{"driver":"iscsi","portal":"example.org:3260",\
+"target":"iqn.1992-01.com.example","lun":0,"transport":"tcp",\
+"node-name":"libvirt-1-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-1-format","read-only":false,"driver":"raw",\
+"file":"libvirt-1-storage"}' \
 -device scsi-block,bus=scsi0.0,channel=0,scsi-id=0,lun=0,\
-drive=drive-scsi0-0-0-0,id=scsi0-0-0-0 \
+drive=libvirt-1-format,id=scsi0-0-0-0 \
 -sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,\
 resourcecontrol=deny \
 -msg timestamp=on
diff --git a/tests/qemuxml2argvdata/disk-network-nbd.x86_64-latest.args b/tests/qemuxml2argvdata/disk-network-nbd.x86_64-latest.args
index 554387358a..95ef39093c 100644
--- a/tests/qemuxml2argvdata/disk-network-nbd.x86_64-latest.args
+++ b/tests/qemuxml2argvdata/disk-network-nbd.x86_64-latest.args
@@ -27,22 +27,39 @@ file=/tmp/lib/domain--1-QEMUGuest1/master-key.aes \
 -no-acpi \
 -boot strict=on \
 -device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 \
--drive file=nbd:example.org:6000,format=raw,if=none,id=drive-virtio-disk0 \
--device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x2,drive=drive-virtio-disk0,\
+-blockdev '{"driver":"nbd","server":{"type":"inet","host":"example.org",\
+"port":"6000"},"node-name":"libvirt-5-storage","auto-read-only":true,\
+"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-5-format","read-only":false,"driver":"raw",\
+"file":"libvirt-5-storage"}' \
+-device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x2,drive=libvirt-5-format,\
 id=virtio-disk0,bootindex=1 \
--drive file=nbd:example.org:6000:exportname=bar,format=raw,if=none,\
-id=drive-virtio-disk1 \
--device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x3,drive=drive-virtio-disk1,\
+-blockdev '{"driver":"nbd","server":{"type":"inet","host":"example.org",\
+"port":"6000"},"export":"bar","node-name":"libvirt-4-storage",\
+"auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-4-format","read-only":false,"driver":"raw",\
+"file":"libvirt-4-storage"}' \
+-device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x3,drive=libvirt-4-format,\
 id=virtio-disk1 \
--drive 'file=nbd://[::1]:6000,format=raw,if=none,id=drive-virtio-disk2' \
--device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x4,drive=drive-virtio-disk2,\
+-blockdev '{"driver":"nbd","server":{"type":"inet","host":"::1","port":"6000"},\
+"node-name":"libvirt-3-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-3-format","read-only":false,"driver":"raw",\
+"file":"libvirt-3-storage"}' \
+-device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x4,drive=libvirt-3-format,\
 id=virtio-disk2 \
--drive 'file=nbd://[::1]:6000/bar,format=raw,if=none,id=drive-virtio-disk3' \
--device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x5,drive=drive-virtio-disk3,\
+-blockdev '{"driver":"nbd","server":{"type":"inet","host":"::1","port":"6000"},\
+"export":"bar","node-name":"libvirt-2-storage","auto-read-only":true,\
+"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-2-format","read-only":false,"driver":"raw",\
+"file":"libvirt-2-storage"}' \
+-device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x5,drive=libvirt-2-format,\
 id=virtio-disk3 \
--drive file=nbd:unix:/var/run/nbdsock:exportname=bar,format=raw,if=none,\
-id=drive-virtio-disk4 \
--device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x6,drive=drive-virtio-disk4,\
+-blockdev '{"driver":"nbd","server":{"type":"unix","path":"/var/run/nbdsock"},\
+"export":"bar","node-name":"libvirt-1-storage","auto-read-only":true,\
+"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-1-format","read-only":false,"driver":"raw",\
+"file":"libvirt-1-storage"}' \
+-device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x6,drive=libvirt-1-format,\
 id=virtio-disk4 \
 -sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,\
 resourcecontrol=deny \
diff --git a/tests/qemuxml2argvdata/disk-network-rbd.x86_64-latest.args b/tests/qemuxml2argvdata/disk-network-rbd.x86_64-latest.args
index 98297d8872..28cea02729 100644
--- a/tests/qemuxml2argvdata/disk-network-rbd.x86_64-latest.args
+++ b/tests/qemuxml2argvdata/disk-network-rbd.x86_64-latest.args
@@ -27,37 +27,56 @@ file=/tmp/lib/domain--1-QEMUGuest1/master-key.aes \
 -no-acpi \
 -boot strict=on \
 -device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 \
--drive 'file=rbd:pool/image:auth_supported=none:mon_host=mon1.example.org\:\
-6321\;mon2.example.org\:6322\;mon3.example.org\:6322,format=raw,if=none,\
-id=drive-virtio-disk0' \
--device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x2,drive=drive-virtio-disk0,\
+-blockdev '{"driver":"rbd","pool":"pool","image":"image",\
+"server":[{"host":"mon1.example.org","port":"6321"},{"host":"mon2.example.org",\
+"port":"6322"},{"host":"mon3.example.org","port":"6322"}],\
+"node-name":"libvirt-6-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-6-format","read-only":false,"driver":"raw",\
+"file":"libvirt-6-storage"}' \
+-device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x2,drive=libvirt-6-format,\
 id=virtio-disk0,bootindex=1 \
--drive file=rbd:pool/image at asdf:auth_supported=none,format=raw,if=none,\
-id=drive-virtio-disk1 \
--device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x3,drive=drive-virtio-disk1,\
+-blockdev '{"driver":"rbd","pool":"pool","image":"image","snapshot":"asdf",\
+"node-name":"libvirt-5-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-5-format","read-only":false,"driver":"raw",\
+"file":"libvirt-5-storage"}' \
+-device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x3,drive=libvirt-5-format,\
 id=virtio-disk1 \
--drive 'file=rbd:pool/image at foo:auth_supported=none:mon_host=mon1.example.org\:\
-6321\;mon2.example.org\:6322\;mon3.example.org\:6322,format=raw,if=none,\
-id=drive-virtio-disk2' \
--device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x4,drive=drive-virtio-disk2,\
+-blockdev '{"driver":"rbd","pool":"pool","image":"image","snapshot":"foo",\
+"server":[{"host":"mon1.example.org","port":"6321"},{"host":"mon2.example.org",\
+"port":"6322"},{"host":"mon3.example.org","port":"6322"}],\
+"node-name":"libvirt-4-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-4-format","read-only":false,"driver":"raw",\
+"file":"libvirt-4-storage"}' \
+-device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x4,drive=libvirt-4-format,\
 id=virtio-disk2 \
--drive file=rbd:pool/image at foo:auth_supported=none:conf=/blah/test.conf,\
-format=raw,if=none,id=drive-virtio-disk3 \
--device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x5,drive=drive-virtio-disk3,\
+-blockdev '{"driver":"rbd","pool":"pool","image":"image","snapshot":"foo",\
+"conf":"/blah/test.conf","node-name":"libvirt-3-storage","auto-read-only":true,\
+"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-3-format","read-only":false,"driver":"raw",\
+"file":"libvirt-3-storage"}' \
+-device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x5,drive=libvirt-3-format,\
 id=virtio-disk3 \
--object secret,id=virtio-disk4-secret0,\
+-object secret,id=libvirt-2-storage-secret0,\
 data=9eao5F8qtkGt+seB1HYivWIxbtwUu6MQtg1zpj/oDtUsPr1q8wBYM91uEHCn6j/1,\
 keyid=masterKey0,iv=AAECAwQFBgcICQoLDA0ODw==,format=base64 \
--drive 'file=rbd:pool/image:id=myname:auth_supported=cephx\;none:\
-mon_host=mon1.example.org\:6321\;mon2.example.org\:6322\;mon3.example.org\:\
-6322,file.password-secret=virtio-disk4-secret0,format=raw,if=none,\
-id=drive-virtio-disk4' \
--device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x6,drive=drive-virtio-disk4,\
+-blockdev '{"driver":"rbd","pool":"pool","image":"image",\
+"server":[{"host":"mon1.example.org","port":"6321"},{"host":"mon2.example.org",\
+"port":"6322"},{"host":"mon3.example.org","port":"6322"}],"user":"myname",\
+"auth-client-required":["cephx","none"],\
+"key-secret":"libvirt-2-storage-secret0","node-name":"libvirt-2-storage",\
+"auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-2-format","read-only":false,"driver":"raw",\
+"file":"libvirt-2-storage"}' \
+-device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x6,drive=libvirt-2-format,\
 id=virtio-disk4 \
--drive 'file=rbd:pool/image:auth_supported=none:mon_host=[\:\:1]\:\
-6321\;example.org\:6789\;[ffff\:1234\:567\:abc\:\:0f]\:6322\;[2001\:db8\:\:\
-ff00\:42\:8329]\:6322,format=raw,if=none,id=drive-virtio-disk5' \
--device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x7,drive=drive-virtio-disk5,\
+-blockdev '{"driver":"rbd","pool":"pool","image":"image",\
+"server":[{"host":"::1","port":"6321"},{"host":"example.org","port":"6789"},\
+{"host":"ffff:1234:567:abc::0f","port":"6322"},\
+{"host":"2001:db8::ff00:42:8329","port":"6322"}],\
+"node-name":"libvirt-1-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-1-format","read-only":false,"driver":"raw",\
+"file":"libvirt-1-storage"}' \
+-device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x7,drive=libvirt-1-format,\
 id=virtio-disk5 \
 -sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,\
 resourcecontrol=deny \
diff --git a/tests/qemuxml2argvdata/disk-network-sheepdog.x86_64-latest.args b/tests/qemuxml2argvdata/disk-network-sheepdog.x86_64-latest.args
index 011c02ba88..c2b1156f0c 100644
--- a/tests/qemuxml2argvdata/disk-network-sheepdog.x86_64-latest.args
+++ b/tests/qemuxml2argvdata/disk-network-sheepdog.x86_64-latest.args
@@ -27,11 +27,17 @@ file=/tmp/lib/domain--1-QEMUGuest1/master-key.aes \
 -no-acpi \
 -boot strict=on \
 -device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 \
--drive file=/dev/HostVG/QEMU,,Guest,,,,1,format=raw,if=none,id=drive-ide0-0-0 \
--device ide-hd,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0,bootindex=1 \
--drive file=sheepdog:example.org:6000:image,,with,,commas,format=raw,if=none,\
-id=drive-virtio-disk0 \
--device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x2,drive=drive-virtio-disk0,\
+-blockdev '{"driver":"host_device","filename":"/dev/HostVG/QEMU,Guest,,1",\
+"node-name":"libvirt-2-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-2-format","read-only":false,"driver":"raw",\
+"file":"libvirt-2-storage"}' \
+-device ide-hd,bus=ide.0,unit=0,drive=libvirt-2-format,id=ide0-0-0,bootindex=1 \
+-blockdev '{"driver":"sheepdog","server":{"type":"inet","host":"example.org",\
+"port":"6000"},"vdi":"image,with,commas","node-name":"libvirt-1-storage",\
+"auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-1-format","read-only":false,"driver":"raw",\
+"file":"libvirt-1-storage"}' \
+-device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x2,drive=libvirt-1-format,\
 id=virtio-disk0 \
 -sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,\
 resourcecontrol=deny \
diff --git a/tests/qemuxml2argvdata/disk-network-source-auth.x86_64-latest.args b/tests/qemuxml2argvdata/disk-network-source-auth.x86_64-latest.args
index 9bc67a1c40..357a277c46 100644
--- a/tests/qemuxml2argvdata/disk-network-source-auth.x86_64-latest.args
+++ b/tests/qemuxml2argvdata/disk-network-source-auth.x86_64-latest.args
@@ -27,23 +27,29 @@ file=/tmp/lib/domain--1-QEMUGuest1/master-key.aes \
 -no-acpi \
 -boot strict=on \
 -device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 \
--object secret,id=virtio-disk0-secret0,\
+-object secret,id=libvirt-2-storage-secret0,\
 data=9eao5F8qtkGt+seB1HYivWIxbtwUu6MQtg1zpj/oDtUsPr1q8wBYM91uEHCn6j/1,\
 keyid=masterKey0,iv=AAECAwQFBgcICQoLDA0ODw==,format=base64 \
--drive file.driver=iscsi,file.portal=example.org:6000,\
-file.target=iqn.1992-01.com.example:storage,file.lun=1,file.transport=tcp,\
-file.user=myname,file.password-secret=virtio-disk0-secret0,format=raw,if=none,\
-id=drive-virtio-disk0 \
--device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x2,drive=drive-virtio-disk0,\
+-blockdev '{"driver":"iscsi","portal":"example.org:6000",\
+"target":"iqn.1992-01.com.example:storage","lun":1,"transport":"tcp",\
+"user":"myname","password-secret":"libvirt-2-storage-secret0",\
+"node-name":"libvirt-2-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-2-format","read-only":false,"driver":"raw",\
+"file":"libvirt-2-storage"}' \
+-device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x2,drive=libvirt-2-format,\
 id=virtio-disk0,bootindex=1 \
--object secret,id=virtio-disk1-secret0,\
+-object secret,id=libvirt-1-storage-secret0,\
 data=9eao5F8qtkGt+seB1HYivWIxbtwUu6MQtg1zpj/oDtUsPr1q8wBYM91uEHCn6j/1,\
 keyid=masterKey0,iv=AAECAwQFBgcICQoLDA0ODw==,format=base64 \
--drive 'file=rbd:pool/image:id=myname:auth_supported=cephx\;none:\
-mon_host=mon1.example.org\:6321\;mon2.example.org\:6322\;mon3.example.org\:\
-6322,file.password-secret=virtio-disk1-secret0,format=raw,if=none,\
-id=drive-virtio-disk1' \
--device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x3,drive=drive-virtio-disk1,\
+-blockdev '{"driver":"rbd","pool":"pool","image":"image",\
+"server":[{"host":"mon1.example.org","port":"6321"},{"host":"mon2.example.org",\
+"port":"6322"},{"host":"mon3.example.org","port":"6322"}],"user":"myname",\
+"auth-client-required":["cephx","none"],\
+"key-secret":"libvirt-1-storage-secret0","node-name":"libvirt-1-storage",\
+"auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-1-format","read-only":false,"driver":"raw",\
+"file":"libvirt-1-storage"}' \
+-device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x3,drive=libvirt-1-format,\
 id=virtio-disk1 \
 -sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,\
 resourcecontrol=deny \
diff --git a/tests/qemuxml2argvdata/disk-network-tlsx509.x86_64-latest.args b/tests/qemuxml2argvdata/disk-network-tlsx509.x86_64-latest.args
index c043de80d8..fa729cb6e8 100644
--- a/tests/qemuxml2argvdata/disk-network-tlsx509.x86_64-latest.args
+++ b/tests/qemuxml2argvdata/disk-network-tlsx509.x86_64-latest.args
@@ -28,34 +28,50 @@ file=/tmp/lib/domain--1-QEMUGuest1/master-key.aes \
 -no-acpi \
 -boot strict=on \
 -device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 \
--object tls-creds-x509,id=objvirtio-disk0_tls0,dir=/etc/pki/libvirt-vxhs/dummy,\
-,path,endpoint=client,verify-peer=yes \
--drive file.driver=vxhs,file.tls-creds=objvirtio-disk0_tls0,\
-file.vdisk-id=eb90327c-8302-4725-9e1b-4e85ed4dc251,\
-file.server.host=192.168.0.1,file.server.port=9999,format=raw,if=none,\
-id=drive-virtio-disk0,cache=none \
--device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x4,drive=drive-virtio-disk0,\
+-object tls-creds-x509,id=objlibvirt-4-storage_tls0,\
+dir=/etc/pki/libvirt-vxhs/dummy,,path,endpoint=client,verify-peer=yes \
+-blockdev '{"driver":"vxhs","tls-creds":"objlibvirt-4-storage_tls0",\
+"vdisk-id":"eb90327c-8302-4725-9e1b-4e85ed4dc251",\
+"server":{"host":"192.168.0.1","port":"9999"},"node-name":"libvirt-4-storage",\
+"cache":{"direct":true,"no-flush":false},"auto-read-only":true,\
+"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-4-format","read-only":false,\
+"cache":{"direct":true,"no-flush":false},"driver":"raw",\
+"file":"libvirt-4-storage"}' \
+-device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x4,drive=libvirt-4-format,\
 id=virtio-disk0,bootindex=1,write-cache=on,\
 serial=eb90327c-8302-4725-9e1b-4e85ed4dc251 \
--object tls-creds-x509,id=objvirtio-disk1_tls0,dir=/etc/pki/libvirt-vxhs/dummy,\
-,path,endpoint=client,verify-peer=yes \
--drive file.driver=vxhs,file.tls-creds=objvirtio-disk1_tls0,\
-file.vdisk-id=eb90327c-8302-4725-9e1b-4e85ed4dc252,\
-file.server.host=192.168.0.2,file.server.port=9999,format=raw,if=none,\
-id=drive-virtio-disk1,cache=none \
--device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x5,drive=drive-virtio-disk1,\
+-object tls-creds-x509,id=objlibvirt-3-storage_tls0,\
+dir=/etc/pki/libvirt-vxhs/dummy,,path,endpoint=client,verify-peer=yes \
+-blockdev '{"driver":"vxhs","tls-creds":"objlibvirt-3-storage_tls0",\
+"vdisk-id":"eb90327c-8302-4725-9e1b-4e85ed4dc252",\
+"server":{"host":"192.168.0.2","port":"9999"},"node-name":"libvirt-3-storage",\
+"cache":{"direct":true,"no-flush":false},"auto-read-only":true,\
+"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-3-format","read-only":false,\
+"cache":{"direct":true,"no-flush":false},"driver":"raw",\
+"file":"libvirt-3-storage"}' \
+-device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x5,drive=libvirt-3-format,\
 id=virtio-disk1,write-cache=on,serial=eb90327c-8302-4725-9e1b-4e85ed4dc252 \
--drive file.driver=vxhs,file.vdisk-id=eb90327c-8302-4725-9e1b-4e85ed4dc253,\
-file.server.host=192.168.0.3,file.server.port=9999,format=raw,if=none,\
-id=drive-virtio-disk2,cache=none \
--device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x6,drive=drive-virtio-disk2,\
+-blockdev '{"driver":"vxhs","vdisk-id":"eb90327c-8302-4725-9e1b-4e85ed4dc253",\
+"server":{"host":"192.168.0.3","port":"9999"},"node-name":"libvirt-2-storage",\
+"cache":{"direct":true,"no-flush":false},"auto-read-only":true,\
+"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-2-format","read-only":false,\
+"cache":{"direct":true,"no-flush":false},"driver":"raw",\
+"file":"libvirt-2-storage"}' \
+-device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x6,drive=libvirt-2-format,\
 id=virtio-disk2,write-cache=on,serial=eb90327c-8302-4725-9e1b-4e85ed4dc252 \
--object tls-creds-x509,id=objvirtio-disk3_tls0,dir=/etc/pki/libvirt-nbd/dummy,,\
-path,endpoint=client,verify-peer=yes \
--drive file.driver=nbd,file.server.type=inet,file.server.host=example.com,\
-file.server.port=1234,file.tls-creds=objvirtio-disk3_tls0,format=raw,if=none,\
-id=drive-virtio-disk3,cache=none \
--device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x7,drive=drive-virtio-disk3,\
+-object tls-creds-x509,id=objlibvirt-1-storage_tls0,\
+dir=/etc/pki/libvirt-nbd/dummy,,path,endpoint=client,verify-peer=yes \
+-blockdev '{"driver":"nbd","server":{"type":"inet","host":"example.com",\
+"port":"1234"},"tls-creds":"objlibvirt-1-storage_tls0",\
+"node-name":"libvirt-1-storage","cache":{"direct":true,"no-flush":false},\
+"auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-1-format","read-only":false,\
+"cache":{"direct":true,"no-flush":false},"driver":"raw",\
+"file":"libvirt-1-storage"}' \
+-device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x7,drive=libvirt-1-format,\
 id=virtio-disk3,write-cache=on \
 -sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,\
 resourcecontrol=deny \
diff --git a/tests/qemuxml2argvdata/disk-readonly-disk.x86_64-latest.args b/tests/qemuxml2argvdata/disk-readonly-disk.x86_64-latest.args
index c325c6fe76..5ca36c0871 100644
--- a/tests/qemuxml2argvdata/disk-readonly-disk.x86_64-latest.args
+++ b/tests/qemuxml2argvdata/disk-readonly-disk.x86_64-latest.args
@@ -27,10 +27,16 @@ file=/tmp/lib/domain--1-QEMUGuest1/master-key.aes \
 -no-acpi \
 -boot strict=on \
 -device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 \
--drive file=/dev/HostVG/QEMUGuest1,format=raw,if=none,id=drive-ide0-0-0 \
--device ide-hd,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0,bootindex=1 \
--drive file=/dev/sr0,format=raw,if=none,id=drive-ide0-1-0,readonly=on \
--device ide-cd,bus=ide.1,unit=0,drive=drive-ide0-1-0,id=ide0-1-0 \
+-blockdev '{"driver":"host_device","filename":"/dev/HostVG/QEMUGuest1",\
+"node-name":"libvirt-2-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-2-format","read-only":false,"driver":"raw",\
+"file":"libvirt-2-storage"}' \
+-device ide-hd,bus=ide.0,unit=0,drive=libvirt-2-format,id=ide0-0-0,bootindex=1 \
+-blockdev '{"driver":"host_device","filename":"/dev/sr0",\
+"node-name":"libvirt-1-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-1-format","read-only":true,"driver":"raw",\
+"file":"libvirt-1-storage"}' \
+-device ide-cd,bus=ide.1,unit=0,drive=libvirt-1-format,id=ide0-1-0 \
 -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x2 \
 -sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,\
 resourcecontrol=deny \
diff --git a/tests/qemuxml2argvdata/disk-scsi-device-auto.x86_64-latest.args b/tests/qemuxml2argvdata/disk-scsi-device-auto.x86_64-latest.args
index 9661115009..7cff9c94b6 100644
--- a/tests/qemuxml2argvdata/disk-scsi-device-auto.x86_64-latest.args
+++ b/tests/qemuxml2argvdata/disk-scsi-device-auto.x86_64-latest.args
@@ -28,11 +28,17 @@ file=/tmp/lib/domain--1-QEMUGuest1/master-key.aes \
 -boot strict=on \
 -device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 \
 -device lsi,id=scsi0,bus=pci.0,addr=0x2 \
--drive file=/dev/HostVG/QEMUGuest1,format=raw,if=none,id=drive-ide0-0-0 \
--device ide-hd,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0,bootindex=1 \
--drive file=/tmp/scsidisk.img,format=raw,if=none,id=drive-scsi0-0-0 \
+-blockdev '{"driver":"host_device","filename":"/dev/HostVG/QEMUGuest1",\
+"node-name":"libvirt-2-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-2-format","read-only":false,"driver":"raw",\
+"file":"libvirt-2-storage"}' \
+-device ide-hd,bus=ide.0,unit=0,drive=libvirt-2-format,id=ide0-0-0,bootindex=1 \
+-blockdev '{"driver":"file","filename":"/tmp/scsidisk.img",\
+"node-name":"libvirt-1-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-1-format","read-only":false,"driver":"raw",\
+"file":"libvirt-1-storage"}' \
 -device scsi-hd,bus=scsi0.0,scsi-id=0,device_id=drive-scsi0-0-0,\
-drive=drive-scsi0-0-0,id=scsi0-0-0 \
+drive=libvirt-1-format,id=scsi0-0-0 \
 -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3 \
 -sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,\
 resourcecontrol=deny \
diff --git a/tests/qemuxml2argvdata/disk-scsi.x86_64-latest.args b/tests/qemuxml2argvdata/disk-scsi.x86_64-latest.args
index 7bf011fd5f..ad07d206d6 100644
--- a/tests/qemuxml2argvdata/disk-scsi.x86_64-latest.args
+++ b/tests/qemuxml2argvdata/disk-scsi.x86_64-latest.args
@@ -31,21 +31,36 @@ file=/tmp/lib/domain--1-QEMUGuest1/master-key.aes \
 -device megasas,id=scsi1,bus=pci.0,addr=0x3 \
 -device mptsas1068,id=scsi2,bus=pci.0,addr=0x4 \
 -device spapr-vscsi,id=scsi3,reg=0x00002000 \
--drive file=/dev/HostVG/QEMUGuest1,format=raw,if=none,id=drive-ide0-0-0 \
--device ide-hd,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0,bootindex=1 \
--drive file=/tmp/scsidisk.img,format=raw,if=none,id=drive-scsi0-0-0 \
+-blockdev '{"driver":"host_device","filename":"/dev/HostVG/QEMUGuest1",\
+"node-name":"libvirt-5-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-5-format","read-only":false,"driver":"raw",\
+"file":"libvirt-5-storage"}' \
+-device ide-hd,bus=ide.0,unit=0,drive=libvirt-5-format,id=ide0-0-0,bootindex=1 \
+-blockdev '{"driver":"file","filename":"/tmp/scsidisk.img",\
+"node-name":"libvirt-4-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-4-format","read-only":false,"driver":"raw",\
+"file":"libvirt-4-storage"}' \
 -device scsi-hd,bus=scsi0.0,scsi-id=0,device_id=drive-scsi0-0-0,\
-drive=drive-scsi0-0-0,id=scsi0-0-0 \
--drive file=/tmp/scsidisk2.img,format=raw,if=none,id=drive-scsi1-0-0-0 \
+drive=libvirt-4-format,id=scsi0-0-0 \
+-blockdev '{"driver":"file","filename":"/tmp/scsidisk2.img",\
+"node-name":"libvirt-3-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-3-format","read-only":false,"driver":"raw",\
+"file":"libvirt-3-storage"}' \
 -device scsi-hd,bus=scsi1.0,channel=0,scsi-id=0,lun=0,device_id=abcdefghijklmn,\
-drive=drive-scsi1-0-0-0,id=scsi1-0-0-0,serial=abcdefghijklmn \
--drive file=/tmp/scsidisk3.img,format=raw,if=none,id=drive-scsi2-0-0-0 \
+drive=libvirt-3-format,id=scsi1-0-0-0,serial=abcdefghijklmn \
+-blockdev '{"driver":"file","filename":"/tmp/scsidisk3.img",\
+"node-name":"libvirt-2-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-2-format","read-only":false,"driver":"raw",\
+"file":"libvirt-2-storage"}' \
 -device scsi-hd,bus=scsi2.0,channel=0,scsi-id=0,lun=0,\
-device_id=drive-scsi2-0-0-0,drive=drive-scsi2-0-0-0,id=scsi2-0-0-0,\
+device_id=drive-scsi2-0-0-0,drive=libvirt-2-format,id=scsi2-0-0-0,\
 wwn=0x5000c50015ea71ac \
--drive file=/tmp/scsidisk4.img,format=raw,if=none,id=drive-scsi3-0-0-0 \
+-blockdev '{"driver":"file","filename":"/tmp/scsidisk4.img",\
+"node-name":"libvirt-1-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-1-format","read-only":false,"driver":"raw",\
+"file":"libvirt-1-storage"}' \
 -device scsi-hd,bus=scsi3.0,channel=0,scsi-id=0,lun=0,\
-device_id=drive-scsi3-0-0-0,drive=drive-scsi3-0-0-0,id=scsi3-0-0-0 \
+device_id=drive-scsi3-0-0-0,drive=libvirt-1-format,id=scsi3-0-0-0 \
 -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x5 \
 -sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,\
 resourcecontrol=deny \
diff --git a/tests/qemuxml2argvdata/disk-shared.x86_64-latest.args b/tests/qemuxml2argvdata/disk-shared.x86_64-latest.args
index afc2549442..375e2de560 100644
--- a/tests/qemuxml2argvdata/disk-shared.x86_64-latest.args
+++ b/tests/qemuxml2argvdata/disk-shared.x86_64-latest.args
@@ -28,20 +28,36 @@ file=/tmp/lib/domain--1-QEMUGuest1/master-key.aes \
 -boot strict=on \
 -device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 \
 -device virtio-scsi-pci,id=scsi0,bus=pci.0,addr=0x2 \
--drive file=/dev/HostVG/QEMUGuest1,format=raw,if=none,id=drive-ide0-0-0,\
-cache=none \
--device ide-hd,bus=ide.0,unit=0,share-rw=on,drive=drive-ide0-0-0,id=ide0-0-0,\
+-blockdev '{"driver":"host_device","filename":"/dev/HostVG/QEMUGuest1",\
+"node-name":"libvirt-4-storage","cache":{"direct":true,"no-flush":false},\
+"auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-4-format","read-only":false,\
+"cache":{"direct":true,"no-flush":false},"driver":"raw",\
+"file":"libvirt-4-storage"}' \
+-device ide-hd,bus=ide.0,unit=0,share-rw=on,drive=libvirt-4-format,id=ide0-0-0,\
 bootindex=1,write-cache=on,serial=XYZXYZXYZYXXYZYZYXYZY \
--drive file=/dev/HostVG/QEMUGuest2,format=raw,if=none,id=drive-ide0-1-0,\
-readonly=on \
--device ide-cd,bus=ide.1,unit=0,drive=drive-ide0-1-0,id=ide0-1-0 \
--drive file=/dev/scsi,format=raw,if=none,id=drive-scsi0-0-0-0,cache=none \
+-blockdev '{"driver":"host_device","filename":"/dev/HostVG/QEMUGuest2",\
+"node-name":"libvirt-3-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-3-format","read-only":true,"driver":"raw",\
+"file":"libvirt-3-storage"}' \
+-device ide-cd,bus=ide.1,unit=0,drive=libvirt-3-format,id=ide0-1-0 \
+-blockdev '{"driver":"host_device","filename":"/dev/scsi",\
+"node-name":"libvirt-2-storage","cache":{"direct":true,"no-flush":false},\
+"auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-2-format","read-only":false,\
+"cache":{"direct":true,"no-flush":false},"driver":"raw",\
+"file":"libvirt-2-storage"}' \
 -device scsi-hd,bus=scsi0.0,channel=0,scsi-id=0,lun=0,\
-device_id=drive-scsi0-0-0-0,share-rw=on,drive=drive-scsi0-0-0-0,id=scsi0-0-0-0,\
+device_id=drive-scsi0-0-0-0,share-rw=on,drive=libvirt-2-format,id=scsi0-0-0-0,\
 write-cache=on \
--drive file=/dev/virtio,format=raw,if=none,id=drive-virtio-disk0,cache=none \
+-blockdev '{"driver":"host_device","filename":"/dev/virtio",\
+"node-name":"libvirt-1-storage","cache":{"direct":true,"no-flush":false},\
+"auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-1-format","read-only":false,\
+"cache":{"direct":true,"no-flush":false},"driver":"raw",\
+"file":"libvirt-1-storage"}' \
 -device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x3,share-rw=on,\
-drive=drive-virtio-disk0,id=virtio-disk0,write-cache=on \
+drive=libvirt-1-format,id=virtio-disk0,write-cache=on \
 -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x4 \
 -sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,\
 resourcecontrol=deny \
diff --git a/tests/qemuxml2argvdata/disk-virtio-scsi-reservations.x86_64-latest.args b/tests/qemuxml2argvdata/disk-virtio-scsi-reservations.x86_64-latest.args
index 746dbdedfe..bd07929eec 100644
--- a/tests/qemuxml2argvdata/disk-virtio-scsi-reservations.x86_64-latest.args
+++ b/tests/qemuxml2argvdata/disk-virtio-scsi-reservations.x86_64-latest.args
@@ -30,16 +30,22 @@ path=/tmp/lib/domain--1-QEMUGuest1/pr-helper0.sock \
 -boot strict=on \
 -device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 \
 -device virtio-scsi-pci,id=scsi0,num_queues=8,bus=pci.0,addr=0x3 \
--drive file=/dev/HostVG/QEMUGuest1,file.pr-manager=pr-helper0,format=raw,\
-if=none,id=drive-scsi0-0-0-0 \
+-blockdev '{"driver":"host_device","filename":"/dev/HostVG/QEMUGuest1",\
+"pr-manager":"pr-helper0","node-name":"libvirt-2-storage",\
+"auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-2-format","read-only":false,"driver":"raw",\
+"file":"libvirt-2-storage"}' \
 -device scsi-block,bus=scsi0.0,channel=0,scsi-id=0,lun=0,\
-drive=drive-scsi0-0-0-0,id=scsi0-0-0-0,bootindex=1 \
--object pr-manager-helper,id=pr-helper-scsi0-0-0-1,\
+drive=libvirt-2-format,id=scsi0-0-0-0,bootindex=1 \
+-object pr-manager-helper,id=pr-helper-libvirt-1-storage,\
 path=/path/to/qemu-pr-helper.sock \
--drive file=/dev/HostVG/QEMUGuest2,file.pr-manager=pr-helper-scsi0-0-0-1,\
-format=raw,if=none,id=drive-scsi0-0-0-1 \
+-blockdev '{"driver":"host_device","filename":"/dev/HostVG/QEMUGuest2",\
+"pr-manager":"pr-helper-libvirt-1-storage","node-name":"libvirt-1-storage",\
+"auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-1-format","read-only":false,"driver":"raw",\
+"file":"libvirt-1-storage"}' \
 -device scsi-block,bus=scsi0.0,channel=0,scsi-id=0,lun=1,\
-drive=drive-scsi0-0-0-1,id=scsi0-0-0-1 \
+drive=libvirt-1-format,id=scsi0-0-0-1 \
 -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x4 \
 -sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,\
 resourcecontrol=deny \
diff --git a/tests/qemuxml2argvdata/floppy-drive-fat.x86_64-latest.args b/tests/qemuxml2argvdata/floppy-drive-fat.x86_64-latest.args
index 2e6f893fad..1bf202659e 100644
--- a/tests/qemuxml2argvdata/floppy-drive-fat.x86_64-latest.args
+++ b/tests/qemuxml2argvdata/floppy-drive-fat.x86_64-latest.args
@@ -27,9 +27,12 @@ file=/tmp/lib/domain--1-QEMUGuest1/master-key.aes \
 -no-acpi \
 -boot strict=on \
 -device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 \
--drive file=fat:floppy:/var/somefiles,if=none,id=drive-fdc0-0-0,readonly=on \
--global isa-fdc.driveA=drive-fdc0-0-0 \
 -global isa-fdc.bootindexA=1 \
+-blockdev '{"driver":"vvfat","dir":"/var/somefiles","floppy":true,"rw":false,\
+"node-name":"libvirt-1-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-1-format","read-only":true,"driver":"raw",\
+"file":"libvirt-1-storage"}' \
+-device floppy,unit=0,drive=libvirt-1-format,id=fdc0-0-0 \
 -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x2 \
 -sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,\
 resourcecontrol=deny \
diff --git a/tests/qemuxml2argvdata/graphics-egl-headless-rendernode.x86_64-latest.args b/tests/qemuxml2argvdata/graphics-egl-headless-rendernode.x86_64-latest.args
index c78272eadc..d7b86e6270 100644
--- a/tests/qemuxml2argvdata/graphics-egl-headless-rendernode.x86_64-latest.args
+++ b/tests/qemuxml2argvdata/graphics-egl-headless-rendernode.x86_64-latest.args
@@ -25,8 +25,11 @@ file=/tmp/lib/domain--1-QEMUGuest1/master-key.aes \
 -no-acpi \
 -boot strict=on \
 -device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 \
--drive file=/dev/HostVG/QEMUGuest1,format=raw,if=none,id=drive-ide0-0-0 \
--device ide-hd,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0,bootindex=1 \
+-blockdev '{"driver":"host_device","filename":"/dev/HostVG/QEMUGuest1",\
+"node-name":"libvirt-1-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-1-format","read-only":false,"driver":"raw",\
+"file":"libvirt-1-storage"}' \
+-device ide-hd,bus=ide.0,unit=0,drive=libvirt-1-format,id=ide0-0-0,bootindex=1 \
 -display egl-headless,rendernode=/dev/dri/foo \
 -device cirrus-vga,id=video0,bus=pci.0,addr=0x2 \
 -sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,\
diff --git a/tests/qemuxml2argvdata/graphics-egl-headless.x86_64-latest.args b/tests/qemuxml2argvdata/graphics-egl-headless.x86_64-latest.args
index c78272eadc..d7b86e6270 100644
--- a/tests/qemuxml2argvdata/graphics-egl-headless.x86_64-latest.args
+++ b/tests/qemuxml2argvdata/graphics-egl-headless.x86_64-latest.args
@@ -25,8 +25,11 @@ file=/tmp/lib/domain--1-QEMUGuest1/master-key.aes \
 -no-acpi \
 -boot strict=on \
 -device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 \
--drive file=/dev/HostVG/QEMUGuest1,format=raw,if=none,id=drive-ide0-0-0 \
--device ide-hd,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0,bootindex=1 \
+-blockdev '{"driver":"host_device","filename":"/dev/HostVG/QEMUGuest1",\
+"node-name":"libvirt-1-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-1-format","read-only":false,"driver":"raw",\
+"file":"libvirt-1-storage"}' \
+-device ide-hd,bus=ide.0,unit=0,drive=libvirt-1-format,id=ide0-0-0,bootindex=1 \
 -display egl-headless,rendernode=/dev/dri/foo \
 -device cirrus-vga,id=video0,bus=pci.0,addr=0x2 \
 -sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,\
diff --git a/tests/qemuxml2argvdata/iothreads-virtio-scsi-pci.x86_64-latest.args b/tests/qemuxml2argvdata/iothreads-virtio-scsi-pci.x86_64-latest.args
index bc66de1f76..df4c565a17 100644
--- a/tests/qemuxml2argvdata/iothreads-virtio-scsi-pci.x86_64-latest.args
+++ b/tests/qemuxml2argvdata/iothreads-virtio-scsi-pci.x86_64-latest.args
@@ -30,16 +30,25 @@ file=/tmp/lib/domain--1-QEMUGuest1/master-key.aes \
 -boot strict=on \
 -device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 \
 -device virtio-scsi-pci,iothread=iothread2,id=scsi0,bus=pci.0,addr=0xb \
--drive file=/dev/HostVG/QEMUGuest1,format=raw,if=none,id=drive-ide0-0-0 \
--device ide-hd,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0,bootindex=1 \
--drive file=/var/lib/libvirt/images/iothrtest1.img,format=raw,if=none,\
-id=drive-virtio-disk1 \
+-blockdev '{"driver":"host_device","filename":"/dev/HostVG/QEMUGuest1",\
+"node-name":"libvirt-3-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-3-format","read-only":false,"driver":"raw",\
+"file":"libvirt-3-storage"}' \
+-device ide-hd,bus=ide.0,unit=0,drive=libvirt-3-format,id=ide0-0-0,bootindex=1 \
+-blockdev '{"driver":"file",\
+"filename":"/var/lib/libvirt/images/iothrtest1.img",\
+"node-name":"libvirt-2-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-2-format","read-only":false,"driver":"raw",\
+"file":"libvirt-2-storage"}' \
 -device virtio-blk-pci,iothread=iothread1,scsi=off,bus=pci.0,addr=0x4,\
-drive=drive-virtio-disk1,id=virtio-disk1 \
--drive file=/var/lib/libvirt/images/iothrtest2.img,format=raw,if=none,\
-id=drive-scsi0-0-0-3 \
+drive=libvirt-2-format,id=virtio-disk1 \
+-blockdev '{"driver":"file",\
+"filename":"/var/lib/libvirt/images/iothrtest2.img",\
+"node-name":"libvirt-1-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-1-format","read-only":false,"driver":"raw",\
+"file":"libvirt-1-storage"}' \
 -device scsi-hd,bus=scsi0.0,channel=0,scsi-id=0,lun=3,\
-device_id=drive-scsi0-0-0-3,drive=drive-scsi0-0-0-3,id=scsi0-0-0-3 \
+device_id=drive-scsi0-0-0-3,drive=libvirt-1-format,id=scsi0-0-0-3 \
 -sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,\
 resourcecontrol=deny \
 -msg timestamp=on
diff --git a/tests/qemuxml2argvdata/memory-hotplug-nvdimm-access.x86_64-latest.args b/tests/qemuxml2argvdata/memory-hotplug-nvdimm-access.x86_64-latest.args
index e694496b84..ee860097e8 100644
--- a/tests/qemuxml2argvdata/memory-hotplug-nvdimm-access.x86_64-latest.args
+++ b/tests/qemuxml2argvdata/memory-hotplug-nvdimm-access.x86_64-latest.args
@@ -31,8 +31,11 @@ share=no,size=536870912 \
 -no-acpi \
 -boot strict=on \
 -device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 \
--drive file=/dev/HostVG/QEMUGuest1,format=raw,if=none,id=drive-ide0-0-0 \
--device ide-hd,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0,bootindex=1 \
+-blockdev '{"driver":"host_device","filename":"/dev/HostVG/QEMUGuest1",\
+"node-name":"libvirt-1-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-1-format","read-only":false,"driver":"raw",\
+"file":"libvirt-1-storage"}' \
+-device ide-hd,bus=ide.0,unit=0,drive=libvirt-1-format,id=ide0-0-0,bootindex=1 \
 -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3 \
 -sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,\
 resourcecontrol=deny \
diff --git a/tests/qemuxml2argvdata/memory-hotplug-nvdimm-align.x86_64-latest.args b/tests/qemuxml2argvdata/memory-hotplug-nvdimm-align.x86_64-latest.args
index 3eef32b324..9705dcd137 100644
--- a/tests/qemuxml2argvdata/memory-hotplug-nvdimm-align.x86_64-latest.args
+++ b/tests/qemuxml2argvdata/memory-hotplug-nvdimm-align.x86_64-latest.args
@@ -31,8 +31,11 @@ share=no,size=536870912,align=2097152 \
 -no-acpi \
 -boot strict=on \
 -device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 \
--drive file=/dev/HostVG/QEMUGuest1,format=raw,if=none,id=drive-ide0-0-0 \
--device ide-hd,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0,bootindex=1 \
+-blockdev '{"driver":"host_device","filename":"/dev/HostVG/QEMUGuest1",\
+"node-name":"libvirt-1-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-1-format","read-only":false,"driver":"raw",\
+"file":"libvirt-1-storage"}' \
+-device ide-hd,bus=ide.0,unit=0,drive=libvirt-1-format,id=ide0-0-0,bootindex=1 \
 -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3 \
 -sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,\
 resourcecontrol=deny \
diff --git a/tests/qemuxml2argvdata/memory-hotplug-nvdimm-label.x86_64-latest.args b/tests/qemuxml2argvdata/memory-hotplug-nvdimm-label.x86_64-latest.args
index 6217a27ad1..b3f750456c 100644
--- a/tests/qemuxml2argvdata/memory-hotplug-nvdimm-label.x86_64-latest.args
+++ b/tests/qemuxml2argvdata/memory-hotplug-nvdimm-label.x86_64-latest.args
@@ -31,8 +31,11 @@ share=no,size=536870912 \
 -no-acpi \
 -boot strict=on \
 -device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 \
--drive file=/dev/HostVG/QEMUGuest1,format=raw,if=none,id=drive-ide0-0-0 \
--device ide-hd,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0,bootindex=1 \
+-blockdev '{"driver":"host_device","filename":"/dev/HostVG/QEMUGuest1",\
+"node-name":"libvirt-1-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-1-format","read-only":false,"driver":"raw",\
+"file":"libvirt-1-storage"}' \
+-device ide-hd,bus=ide.0,unit=0,drive=libvirt-1-format,id=ide0-0-0,bootindex=1 \
 -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3 \
 -sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,\
 resourcecontrol=deny \
diff --git a/tests/qemuxml2argvdata/memory-hotplug-nvdimm-pmem.x86_64-latest.args b/tests/qemuxml2argvdata/memory-hotplug-nvdimm-pmem.x86_64-latest.args
index b2987205f3..07ec6b68fa 100644
--- a/tests/qemuxml2argvdata/memory-hotplug-nvdimm-pmem.x86_64-latest.args
+++ b/tests/qemuxml2argvdata/memory-hotplug-nvdimm-pmem.x86_64-latest.args
@@ -31,8 +31,11 @@ share=no,size=536870912,pmem=on \
 -no-acpi \
 -boot strict=on \
 -device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 \
--drive file=/dev/HostVG/QEMUGuest1,format=raw,if=none,id=drive-ide0-0-0 \
--device ide-hd,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0,bootindex=1 \
+-blockdev '{"driver":"host_device","filename":"/dev/HostVG/QEMUGuest1",\
+"node-name":"libvirt-1-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-1-format","read-only":false,"driver":"raw",\
+"file":"libvirt-1-storage"}' \
+-device ide-hd,bus=ide.0,unit=0,drive=libvirt-1-format,id=ide0-0-0,bootindex=1 \
 -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3 \
 -sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,\
 resourcecontrol=deny \
diff --git a/tests/qemuxml2argvdata/memory-hotplug-nvdimm-readonly.x86_64-latest.args b/tests/qemuxml2argvdata/memory-hotplug-nvdimm-readonly.x86_64-latest.args
index 498c13c50f..0b7a379914 100644
--- a/tests/qemuxml2argvdata/memory-hotplug-nvdimm-readonly.x86_64-latest.args
+++ b/tests/qemuxml2argvdata/memory-hotplug-nvdimm-readonly.x86_64-latest.args
@@ -31,8 +31,11 @@ share=no,size=536870912 \
 -no-acpi \
 -boot strict=on \
 -device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 \
--drive file=/dev/HostVG/QEMUGuest1,format=raw,if=none,id=drive-ide0-0-0 \
--device ide-hd,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0,bootindex=1 \
+-blockdev '{"driver":"host_device","filename":"/dev/HostVG/QEMUGuest1",\
+"node-name":"libvirt-1-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-1-format","read-only":false,"driver":"raw",\
+"file":"libvirt-1-storage"}' \
+-device ide-hd,bus=ide.0,unit=0,drive=libvirt-1-format,id=ide0-0-0,bootindex=1 \
 -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3 \
 -sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,\
 resourcecontrol=deny \
diff --git a/tests/qemuxml2argvdata/memory-hotplug-nvdimm.x86_64-latest.args b/tests/qemuxml2argvdata/memory-hotplug-nvdimm.x86_64-latest.args
index 87c928a540..2d7cdedcf4 100644
--- a/tests/qemuxml2argvdata/memory-hotplug-nvdimm.x86_64-latest.args
+++ b/tests/qemuxml2argvdata/memory-hotplug-nvdimm.x86_64-latest.args
@@ -31,8 +31,11 @@ size=536870912 \
 -no-acpi \
 -boot strict=on \
 -device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 \
--drive file=/dev/HostVG/QEMUGuest1,format=raw,if=none,id=drive-ide0-0-0 \
--device ide-hd,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0,bootindex=1 \
+-blockdev '{"driver":"host_device","filename":"/dev/HostVG/QEMUGuest1",\
+"node-name":"libvirt-1-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-1-format","read-only":false,"driver":"raw",\
+"file":"libvirt-1-storage"}' \
+-device ide-hd,bus=ide.0,unit=0,drive=libvirt-1-format,id=ide0-0-0,bootindex=1 \
 -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3 \
 -sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,\
 resourcecontrol=deny \
diff --git a/tests/qemuxml2argvdata/video-bochs-display-device.x86_64-latest.args b/tests/qemuxml2argvdata/video-bochs-display-device.x86_64-latest.args
index d1a25d5c62..2112c10576 100644
--- a/tests/qemuxml2argvdata/video-bochs-display-device.x86_64-latest.args
+++ b/tests/qemuxml2argvdata/video-bochs-display-device.x86_64-latest.args
@@ -27,9 +27,13 @@ file=/tmp/lib/domain--1-QEMUGuest1/master-key.aes \
 -no-acpi \
 -boot strict=on \
 -device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 \
--drive file=/var/lib/libvirt/images/QEMUGuest1,format=qcow2,if=none,\
-id=drive-ide0-0-0,cache=none \
--device ide-hd,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0,bootindex=1,\
+-blockdev '{"driver":"file","filename":"/var/lib/libvirt/images/QEMUGuest1",\
+"node-name":"libvirt-1-storage","cache":{"direct":true,"no-flush":false},\
+"auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-1-format","read-only":false,\
+"cache":{"direct":true,"no-flush":false},"driver":"qcow2",\
+"file":"libvirt-1-storage"}' \
+-device ide-hd,bus=ide.0,unit=0,drive=libvirt-1-format,id=ide0-0-0,bootindex=1,\
 write-cache=on \
 -device bochs-display,id=video0,vgamem=16384k,bus=pci.0,addr=0x2 \
 -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3 \
diff --git a/tests/qemuxml2argvdata/virtio-non-transitional.x86_64-latest.args b/tests/qemuxml2argvdata/virtio-non-transitional.x86_64-latest.args
index 3688709092..7fa2c6ed5f 100644
--- a/tests/qemuxml2argvdata/virtio-non-transitional.x86_64-latest.args
+++ b/tests/qemuxml2argvdata/virtio-non-transitional.x86_64-latest.args
@@ -42,9 +42,12 @@ multifunction=on,addr=0x2 \
 -device virtio-scsi-pci-non-transitional,id=scsi0,bus=pci.4,addr=0x0 \
 -device virtio-serial-pci-non-transitional,id=virtio-serial0,bus=pci.3,\
 addr=0x0 \
--drive file=/dev/HostVG/QEMUGuest1,format=raw,if=none,id=drive-virtio-disk0 \
+-blockdev '{"driver":"host_device","filename":"/dev/HostVG/QEMUGuest1",\
+"node-name":"libvirt-1-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-1-format","read-only":false,"driver":"raw",\
+"file":"libvirt-1-storage"}' \
 -device virtio-blk-pci-non-transitional,scsi=off,bus=pci.5,addr=0x0,\
-drive=drive-virtio-disk0,id=virtio-disk0,bootindex=1 \
+drive=libvirt-1-format,id=virtio-disk0,bootindex=1 \
 -fsdev local,security_model=passthrough,id=fsdev-fs0,path=/export/fs1 \
 -device virtio-9p-pci-non-transitional,id=fs0,fsdev=fsdev-fs0,mount_tag=fs1,\
 bus=pci.1,addr=0x0 \
diff --git a/tests/qemuxml2argvdata/virtio-transitional.x86_64-latest.args b/tests/qemuxml2argvdata/virtio-transitional.x86_64-latest.args
index 9d4ec5f922..dea7e0d3f3 100644
--- a/tests/qemuxml2argvdata/virtio-transitional.x86_64-latest.args
+++ b/tests/qemuxml2argvdata/virtio-transitional.x86_64-latest.args
@@ -32,9 +32,12 @@ addr=0x1 \
 -device pcie-root-port,port=0x9,chassis=3,id=pci.3,bus=pcie.0,addr=0x1.0x1 \
 -device virtio-scsi-pci-transitional,id=scsi0,bus=pci.2,addr=0x4 \
 -device virtio-serial-pci-transitional,id=virtio-serial0,bus=pci.2,addr=0x3 \
--drive file=/dev/HostVG/QEMUGuest1,format=raw,if=none,id=drive-virtio-disk0 \
+-blockdev '{"driver":"host_device","filename":"/dev/HostVG/QEMUGuest1",\
+"node-name":"libvirt-1-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-1-format","read-only":false,"driver":"raw",\
+"file":"libvirt-1-storage"}' \
 -device virtio-blk-pci-transitional,scsi=off,bus=pci.2,addr=0x5,\
-drive=drive-virtio-disk0,id=virtio-disk0,bootindex=1 \
+drive=libvirt-1-format,id=virtio-disk0,bootindex=1 \
 -fsdev local,security_model=passthrough,id=fsdev-fs0,path=/export/fs1 \
 -device virtio-9p-pci-transitional,id=fs0,fsdev=fsdev-fs0,mount_tag=fs1,\
 bus=pci.2,addr=0x1 \
diff --git a/tests/qemuxml2argvdata/x86_64-pc-graphics.x86_64-latest.args b/tests/qemuxml2argvdata/x86_64-pc-graphics.x86_64-latest.args
index 4875a8799e..7c9c5a0bc6 100644
--- a/tests/qemuxml2argvdata/x86_64-pc-graphics.x86_64-latest.args
+++ b/tests/qemuxml2argvdata/x86_64-pc-graphics.x86_64-latest.args
@@ -30,9 +30,11 @@ file=/tmp/lib/domain--1-guest/master-key.aes \
 -boot strict=on \
 -device qemu-xhci,p2=15,p3=15,id=usb,bus=pci.0,addr=0x4 \
 -device virtio-serial-pci,id=virtio-serial0,bus=pci.0,addr=0x5 \
--drive file=/var/lib/libvirt/images/guest.qcow2,format=qcow2,if=none,\
-id=drive-virtio-disk0 \
--device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x6,drive=drive-virtio-disk0,\
+-blockdev '{"driver":"file","filename":"/var/lib/libvirt/images/guest.qcow2",\
+"node-name":"libvirt-1-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-1-format","read-only":false,"driver":"qcow2",\
+"file":"libvirt-1-storage"}' \
+-device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x6,drive=libvirt-1-format,\
 id=virtio-disk0,bootindex=1 \
 -netdev user,id=hostnet0 \
 -device virtio-net-pci,netdev=hostnet0,id=net0,mac=52:54:00:4c:e3:86,bus=pci.0,\
diff --git a/tests/qemuxml2argvdata/x86_64-pc-headless.x86_64-latest.args b/tests/qemuxml2argvdata/x86_64-pc-headless.x86_64-latest.args
index cc33248272..7f825462aa 100644
--- a/tests/qemuxml2argvdata/x86_64-pc-headless.x86_64-latest.args
+++ b/tests/qemuxml2argvdata/x86_64-pc-headless.x86_64-latest.args
@@ -31,9 +31,11 @@ file=/tmp/lib/domain--1-guest/master-key.aes \
 -boot strict=on \
 -device qemu-xhci,p2=15,p3=15,id=usb,bus=pci.0,addr=0x3 \
 -device virtio-serial-pci,id=virtio-serial0,bus=pci.0,addr=0x4 \
--drive file=/var/lib/libvirt/images/guest.qcow2,format=qcow2,if=none,\
-id=drive-virtio-disk0 \
--device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x5,drive=drive-virtio-disk0,\
+-blockdev '{"driver":"file","filename":"/var/lib/libvirt/images/guest.qcow2",\
+"node-name":"libvirt-1-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-1-format","read-only":false,"driver":"qcow2",\
+"file":"libvirt-1-storage"}' \
+-device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x5,drive=libvirt-1-format,\
 id=virtio-disk0,bootindex=1 \
 -netdev user,id=hostnet0 \
 -device virtio-net-pci,netdev=hostnet0,id=net0,mac=52:54:00:09:a4:37,bus=pci.0,\
diff --git a/tests/qemuxml2argvdata/x86_64-q35-graphics.x86_64-latest.args b/tests/qemuxml2argvdata/x86_64-q35-graphics.x86_64-latest.args
index 8e1f1cc865..52fa25898d 100644
--- a/tests/qemuxml2argvdata/x86_64-q35-graphics.x86_64-latest.args
+++ b/tests/qemuxml2argvdata/x86_64-q35-graphics.x86_64-latest.args
@@ -38,9 +38,11 @@ multifunction=on,addr=0x2 \
 -device pcie-root-port,port=0x16,chassis=7,id=pci.7,bus=pcie.0,addr=0x2.0x6 \
 -device qemu-xhci,p2=15,p3=15,id=usb,bus=pci.2,addr=0x0 \
 -device virtio-serial-pci,id=virtio-serial0,bus=pci.3,addr=0x0 \
--drive file=/var/lib/libvirt/images/guest.qcow2,format=qcow2,if=none,\
-id=drive-virtio-disk0 \
--device virtio-blk-pci,scsi=off,bus=pci.4,addr=0x0,drive=drive-virtio-disk0,\
+-blockdev '{"driver":"file","filename":"/var/lib/libvirt/images/guest.qcow2",\
+"node-name":"libvirt-1-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-1-format","read-only":false,"driver":"qcow2",\
+"file":"libvirt-1-storage"}' \
+-device virtio-blk-pci,scsi=off,bus=pci.4,addr=0x0,drive=libvirt-1-format,\
 id=virtio-disk0,bootindex=1 \
 -netdev user,id=hostnet0 \
 -device virtio-net-pci,netdev=hostnet0,id=net0,mac=52:54:00:d2:70:0b,bus=pci.1,\
diff --git a/tests/qemuxml2argvdata/x86_64-q35-headless.x86_64-latest.args b/tests/qemuxml2argvdata/x86_64-q35-headless.x86_64-latest.args
index b3fb8d8340..0cda5c3227 100644
--- a/tests/qemuxml2argvdata/x86_64-q35-headless.x86_64-latest.args
+++ b/tests/qemuxml2argvdata/x86_64-q35-headless.x86_64-latest.args
@@ -39,9 +39,11 @@ addr=0x1 \
 -device pcie-root-port,port=0xe,chassis=7,id=pci.7,bus=pcie.0,addr=0x1.0x6 \
 -device qemu-xhci,p2=15,p3=15,id=usb,bus=pci.2,addr=0x0 \
 -device virtio-serial-pci,id=virtio-serial0,bus=pci.3,addr=0x0 \
--drive file=/var/lib/libvirt/images/guest.qcow2,format=qcow2,if=none,\
-id=drive-virtio-disk0 \
--device virtio-blk-pci,scsi=off,bus=pci.4,addr=0x0,drive=drive-virtio-disk0,\
+-blockdev '{"driver":"file","filename":"/var/lib/libvirt/images/guest.qcow2",\
+"node-name":"libvirt-1-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-1-format","read-only":false,"driver":"qcow2",\
+"file":"libvirt-1-storage"}' \
+-device virtio-blk-pci,scsi=off,bus=pci.4,addr=0x0,drive=libvirt-1-format,\
 id=virtio-disk0,bootindex=1 \
 -netdev user,id=hostnet0 \
 -device virtio-net-pci,netdev=hostnet0,id=net0,mac=52:54:00:09:a4:37,bus=pci.1,\
-- 
2.21.0


