Asynchronous teardown can be specified if the QEMU binary supports it by
adding in the domain XML
<features>
...
<async-teardown enabled='yes|no'/>
...
</features>
By default this new feature is disabled.
Signed-off-by: Boris Fiuczynski <fiuczy@xxxxxxxxxxxxx>
---
docs/formatdomain.rst | 6 +++
src/conf/domain_conf.c | 22 ++++++++++
src/conf/domain_conf.h | 1 +
src/conf/schemas/domaincommon.rng | 9 ++++
src/qemu/qemu_command.c | 20 +++++++++
src/qemu/qemu_validate.c | 9 ++++
.../async-teardown.x86_64-latest.args | 37 ++++++++++++++++
tests/qemuxml2argvdata/async-teardown.xml | 31 +++++++++++++
...0-async-teardown-disabled.s390x-6.0.0.args | 35 +++++++++++++++
...-async-teardown-disabled.s390x-latest.args | 36 +++++++++++++++
.../s390-async-teardown-disabled.xml | 24 ++++++++++
...async-teardown-no-attrib.s390x-latest.args | 36 +++++++++++++++
.../s390-async-teardown-no-attrib.xml | 24 ++++++++++
.../s390-async-teardown.s390x-6.0.0.err | 1 +
.../s390-async-teardown.s390x-latest.args | 36 +++++++++++++++
.../qemuxml2argvdata/s390-async-teardown.xml | 24 ++++++++++
tests/qemuxml2argvtest.c | 7 +++
.../async-teardown.x86_64-latest.xml | 44 +++++++++++++++++++
...90-async-teardown-disabled.s390x-6.0.0.xml | 36 +++++++++++++++
...0-async-teardown-disabled.s390x-latest.xml | 36 +++++++++++++++
...-async-teardown-no-attrib.s390x-latest.xml | 36 +++++++++++++++
.../s390-async-teardown.s390x-latest.xml | 36 +++++++++++++++
tests/qemuxml2xmltest.c | 6 +++
23 files changed, 552 insertions(+)
create mode 100644 tests/qemuxml2argvdata/async-teardown.x86_64-latest.args
create mode 100644 tests/qemuxml2argvdata/async-teardown.xml
create mode 100644 tests/qemuxml2argvdata/s390-async-teardown-disabled.s390x-6.0.0.args
create mode 100644 tests/qemuxml2argvdata/s390-async-teardown-disabled.s390x-latest.args
create mode 100644 tests/qemuxml2argvdata/s390-async-teardown-disabled.xml
create mode 100644 tests/qemuxml2argvdata/s390-async-teardown-no-attrib.s390x-latest.args
create mode 100644 tests/qemuxml2argvdata/s390-async-teardown-no-attrib.xml
create mode 100644 tests/qemuxml2argvdata/s390-async-teardown.s390x-6.0.0.err
create mode 100644 tests/qemuxml2argvdata/s390-async-teardown.s390x-latest.args
create mode 100644 tests/qemuxml2argvdata/s390-async-teardown.xml
create mode 100644 tests/qemuxml2xmloutdata/async-teardown.x86_64-latest.xml
create mode 100644 tests/qemuxml2xmloutdata/s390-async-teardown-disabled.s390x-6.0.0.xml
create mode 100644 tests/qemuxml2xmloutdata/s390-async-teardown-disabled.s390x-latest.xml
create mode 100644 tests/qemuxml2xmloutdata/s390-async-teardown-no-attrib.s390x-latest.xml
create mode 100644 tests/qemuxml2xmloutdata/s390-async-teardown.s390x-latest.xml
diff --git a/docs/formatdomain.rst b/docs/formatdomain.rst
index c3526439bf..762a2376dc 100644
--- a/docs/formatdomain.rst
+++ b/docs/formatdomain.rst
@@ -2000,6 +2000,7 @@ Hypervisors may allow certain CPU / machine features to be toggled on/off.
<tcg>
<tb-cache unit='MiB'>128</tb-cache>
</tcg>
+ <async-teardown enabled='yes'>
</features>
...
@@ -2230,6 +2231,11 @@ are:
tb-cache The size of translation block cache size an integer (a multiple of MiB) :since:`8.0.0`
=========== ============================================== =================================================== ==============
+``async-teardown``
+ Depending on the ``enabled`` attribute (values ``yes``, ``no``) enable or
+ disable QEMU asynchronous teardown to improve memory reclaiming on a guest.
+ :since:`Since 9.5.0` (QEMU only)
+
Time keeping
------------
diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index 0edb1bda9d..d9fce37241 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -181,6 +181,7 @@ VIR_ENUM_IMPL(virDomainFeature,
"sbbc",
"ibs",
"tcg",
+ "async-teardown",
);
VIR_ENUM_IMPL(virDomainCapabilitiesPolicy,
@@ -16685,6 +16686,20 @@ virDomainFeaturesDefParse(virDomainDef *def,
return -1;
break;
+ case VIR_DOMAIN_FEATURE_ASYNC_TEARDOWN: {
+ virTristateBool enabled;
+
+ if (virXMLPropTristateBool(nodes[i], "enabled",
+ VIR_XML_PROP_NONE, &enabled) < 0)
+ return -1;
+
+ if (enabled == VIR_TRISTATE_BOOL_ABSENT)
+ enabled = VIR_TRISTATE_BOOL_YES;
+
+ def->features[val] = enabled;
+ break;
+ }
+
case VIR_DOMAIN_FEATURE_LAST:
break;
}
@@ -20624,6 +20639,7 @@ virDomainDefFeaturesCheckABIStability(virDomainDef *src,
case VIR_DOMAIN_FEATURE_MSRS:
case VIR_DOMAIN_FEATURE_TCG:
+ case VIR_DOMAIN_FEATURE_ASYNC_TEARDOWN:
case VIR_DOMAIN_FEATURE_LAST:
break;
}
@@ -27332,6 +27348,12 @@ virDomainDefFormatFeatures(virBuffer *buf,
virDomainFeatureTCGFormat(&childBuf, def);
break;
+ case VIR_DOMAIN_FEATURE_ASYNC_TEARDOWN:
+ if (def->features[i] != VIR_TRISTATE_SWITCH_ABSENT)
+ virBufferAsprintf(&childBuf, "<async-teardown enabled='%s'/>\n",
+ virTristateBoolTypeToString(def->features[i]));
+ break;
+
case VIR_DOMAIN_FEATURE_LAST:
break;
}
diff --git a/src/conf/domain_conf.h b/src/conf/domain_conf.h
index 629e32c39f..14221e9359 100644
--- a/src/conf/domain_conf.h
+++ b/src/conf/domain_conf.h
@@ -2169,6 +2169,7 @@ typedef enum {
VIR_DOMAIN_FEATURE_SBBC,
VIR_DOMAIN_FEATURE_IBS,
VIR_DOMAIN_FEATURE_TCG,
+ VIR_DOMAIN_FEATURE_ASYNC_TEARDOWN,
VIR_DOMAIN_FEATURE_LAST
} virDomainFeature;
diff --git a/src/conf/schemas/domaincommon.rng b/src/conf/schemas/domaincommon.rng
index c1725bb511..d11d6a3dab 100644
--- a/src/conf/schemas/domaincommon.rng
+++ b/src/conf/schemas/domaincommon.rng
@@ -6653,6 +6653,15 @@
<optional>
<ref name="tcgfeatures"/>
</optional>
+ <optional>
+ <element name="async-teardown">
+ <optional>
+ <attribute name="enabled">
+ <ref name="virYesNo"/>
+ </attribute>
+ </optional>
+ </element>
+ </optional>
</interleave>
</element>
</optional>
diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index a19902988c..74fdac2720 100644
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -10166,6 +10166,23 @@ qemuBuildCryptoCommandLine(virCommand *cmd,
}
+static int
+qemuBuildAsyncTeardownCommandLine(virCommand *cmd,
+ const virDomainDef *def,
+ virQEMUCaps *qemuCaps)
+{
+ g_autofree char *async = NULL;
+
+ if (def->features[VIR_DOMAIN_FEATURE_ASYNC_TEARDOWN] != VIR_TRISTATE_BOOL_ABSENT &&
+ virQEMUCapsGet(qemuCaps, QEMU_CAPS_RUN_WITH_ASYNC_TEARDOWN)) {
+ async = g_strdup_printf("async-teardown=%s",
+ virTristateSwitchTypeToString(def->features[VIR_DOMAIN_FEATURE_ASYNC_TEARDOWN]));
+ virCommandAddArgList(cmd, "-run-with", async, NULL);
+ }
+ return 0;
+}
+
+
typedef enum {
QEMU_COMMAND_DEPRECATION_BEHAVIOR_NONE = 0,
QEMU_COMMAND_DEPRECATION_BEHAVIOR_OMIT,
@@ -10521,6 +10538,9 @@ qemuBuildCommandLine(virDomainObj *vm,
if (qemuBuildCryptoCommandLine(cmd, def, qemuCaps) < 0)
return NULL;
+ if (qemuBuildAsyncTeardownCommandLine(cmd, def, qemuCaps) < 0)
+ return NULL;
+
if (cfg->logTimestamp)
virCommandAddArgList(cmd, "-msg", "timestamp=on", NULL);
diff --git a/src/qemu/qemu_validate.c b/src/qemu/qemu_validate.c
index 04d0c9df73..01ad2bfc68 100644
--- a/src/qemu/qemu_validate.c
+++ b/src/qemu/qemu_validate.c
@@ -219,6 +219,15 @@ qemuValidateDomainDefFeatures(const virDomainDef *def,
}
break;
+ case VIR_DOMAIN_FEATURE_ASYNC_TEARDOWN:
+ if (def->features[i] == VIR_TRISTATE_BOOL_YES &&
+ !virQEMUCapsGet(qemuCaps, QEMU_CAPS_RUN_WITH_ASYNC_TEARDOWN)) {
+ virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
+ _("asynchronous teardown is not available with this QEMU binary"));
+ return -1;
+ }
+ break;
+
case VIR_DOMAIN_FEATURE_SMM:
case VIR_DOMAIN_FEATURE_KVM:
case VIR_DOMAIN_FEATURE_XEN:
diff --git a/tests/qemuxml2argvdata/async-teardown.x86_64-latest.args b/tests/qemuxml2argvdata/async-teardown.x86_64-latest.args
new file mode 100644
index 0000000000..900d04b5fb
--- /dev/null
+++ b/tests/qemuxml2argvdata/async-teardown.x86_64-latest.args
@@ -0,0 +1,37 @@
+LC_ALL=C \
+PATH=/bin \
+HOME=/var/lib/libvirt/qemu/domain--1-QEMUGuest1 \
+USER=test \
+LOGNAME=test \
+XDG_DATA_HOME=/var/lib/libvirt/qemu/domain--1-QEMUGuest1/.local/share \
+XDG_CACHE_HOME=/var/lib/libvirt/qemu/domain--1-QEMUGuest1/.cache \
+XDG_CONFIG_HOME=/var/lib/libvirt/qemu/domain--1-QEMUGuest1/.config \
+/usr/bin/qemu-system-x86_64 \
+-name guest=QEMUGuest1,debug-threads=on \
+-S \
+-object '{"qom-type":"secret","id":"masterKey0","format":"raw","file":"/var/lib/libvirt/qemu/domain--1-QEMUGuest1/master-key.aes"}' \
+-machine pc,usb=off,dump-guest-core=off,memory-backend=pc.ram,acpi=off \
+-accel tcg \
+-cpu qemu64 \
+-m 214 \
+-object '{"qom-type":"memory-backend-ram","id":"pc.ram","size":224395264}' \
+-overcommit mem-lock=off \
+-smp 1,sockets=1,cores=1,threads=1 \
+-uuid c7a5fdbd-edaf-9455-926a-d65c16db1809 \
+-display none \
+-no-user-config \
+-nodefaults \
+-chardev socket,id=charmonitor,fd=1729,server=on,wait=off \
+-mon chardev=charmonitor,id=monitor,mode=control \
+-rtc base=utc \
+-no-shutdown \
+-boot strict=on \
+-device '{"driver":"piix3-usb-uhci","id":"usb","bus":"pci.0","addr":"0x1.0x2"}' \
+-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 '{"driver":"ide-hd","bus":"ide.0","unit":0,"drive":"libvirt-1-format","id":"ide0-0-0","bootindex":1}' \
+-audiodev '{"id":"audio1","driver":"none"}' \
+-device '{"driver":"virtio-balloon-pci","id":"balloon0","bus":"pci.0","addr":"0x2"}' \
+-sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,resourcecontrol=deny \
+-run-with async-teardown=on \
+-msg timestamp=on
diff --git a/tests/qemuxml2argvdata/async-teardown.xml b/tests/qemuxml2argvdata/async-teardown.xml
new file mode 100644
index 0000000000..70c1eccc55
--- /dev/null
+++ b/tests/qemuxml2argvdata/async-teardown.xml
@@ -0,0 +1,31 @@
+<domain type='qemu'>
+ <name>QEMUGuest1</name>
+ <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
+ <memory unit='KiB'>219136</memory>
+ <currentMemory unit='KiB'>219136</currentMemory>
+ <vcpu placement='static'>1</vcpu>
+ <os>
+ <type arch='x86_64' machine='pc'>hvm</type>
+ <boot dev='hd'/>
+ </os>
+ <clock offset='utc'/>
+ <on_poweroff>destroy</on_poweroff>
+ <on_reboot>restart</on_reboot>
+ <on_crash>destroy</on_crash>
+ <features>
+ <async-teardown enabled='yes'/>
+ </features>
+ <devices>
+ <emulator>/usr/bin/qemu-system-x86_64</emulator>
+ <disk type='block' device='disk'>
+ <source dev='/dev/HostVG/QEMUGuest1'/>
+ <target dev='hda' bus='ide'/>
+ <address type='drive' controller='0' bus='0' target='0' unit='0'/>
+ </disk>
+ <controller type='usb' index='0'/>
+ <controller type='fdc' index='0'/>
+ <controller type='ide' index='0'/>
+ <controller type='pci' index='0' model='pci-root'/>
+ <memballoon model='virtio'/>
+ </devices>
+</domain>
diff --git a/tests/qemuxml2argvdata/s390-async-teardown-disabled.s390x-6.0.0.args b/tests/qemuxml2argvdata/s390-async-teardown-disabled.s390x-6.0.0.args
new file mode 100644
index 0000000000..c4f669e1f2
--- /dev/null
+++ b/tests/qemuxml2argvdata/s390-async-teardown-disabled.s390x-6.0.0.args
@@ -0,0 +1,35 @@
+LC_ALL=C \
+PATH=/bin \
+HOME=/var/lib/libvirt/qemu/domain--1-QEMUGuest1 \
+USER=test \
+LOGNAME=test \
+XDG_DATA_HOME=/var/lib/libvirt/qemu/domain--1-QEMUGuest1/.local/share \
+XDG_CACHE_HOME=/var/lib/libvirt/qemu/domain--1-QEMUGuest1/.cache \
+XDG_CONFIG_HOME=/var/lib/libvirt/qemu/domain--1-QEMUGuest1/.config \
+/usr/bin/qemu-system-s390x \
+-name guest=QEMUGuest1,debug-threads=on \
+-S \
+-object '{"qom-type":"secret","id":"masterKey0","format":"raw","file":"/var/lib/libvirt/qemu/domain--1-QEMUGuest1/master-key.aes"}' \
+-machine s390-ccw-virtio-6.0,usb=off,dump-guest-core=off,memory-backend=s390.ram \
+-accel tcg \
+-cpu qemu \
+-m 256 \
+-object '{"qom-type":"memory-backend-ram","id":"s390.ram","size":268435456}' \
+-overcommit mem-lock=off \
+-smp 1,sockets=1,cores=1,threads=1 \
+-uuid 9aa4b45c-b9dd-45ef-91fe-862b27b4231f \
+-display none \
+-no-user-config \
+-nodefaults \
+-chardev socket,id=charmonitor,fd=1729,server=on,wait=off \
+-mon chardev=charmonitor,id=monitor,mode=control \
+-rtc base=utc \
+-no-shutdown \
+-boot strict=on \
+-device virtio-serial-ccw,id=virtio-serial0,devno=fe.0.0000 \
+-chardev pty,id=charconsole0 \
+-device virtconsole,chardev=charconsole0,id=console0 \
+-audiodev '{"id":"audio1","driver":"none"}' \
+-device virtio-balloon-ccw,id=balloon0,devno=fe.0.0001 \
+-sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,resourcecontrol=deny \
+-msg timestamp=on
diff --git a/tests/qemuxml2argvdata/s390-async-teardown-disabled.s390x-latest.args b/tests/qemuxml2argvdata/s390-async-teardown-disabled.s390x-latest.args
new file mode 100644
index 0000000000..60cb4bb3f1
--- /dev/null
+++ b/tests/qemuxml2argvdata/s390-async-teardown-disabled.s390x-latest.args
@@ -0,0 +1,36 @@
+LC_ALL=C \
+PATH=/bin \
+HOME=/var/lib/libvirt/qemu/domain--1-QEMUGuest1 \
+USER=test \
+LOGNAME=test \
+XDG_DATA_HOME=/var/lib/libvirt/qemu/domain--1-QEMUGuest1/.local/share \
+XDG_CACHE_HOME=/var/lib/libvirt/qemu/domain--1-QEMUGuest1/.cache \
+XDG_CONFIG_HOME=/var/lib/libvirt/qemu/domain--1-QEMUGuest1/.config \
+/usr/bin/qemu-system-s390x \
+-name guest=QEMUGuest1,debug-threads=on \
+-S \
+-object '{"qom-type":"secret","id":"masterKey0","format":"raw","file":"/var/lib/libvirt/qemu/domain--1-QEMUGuest1/master-key.aes"}' \
+-machine s390-ccw-virtio,usb=off,dump-guest-core=off,memory-backend=s390.ram \
+-accel tcg \
+-cpu qemu \
+-m 256 \
+-object '{"qom-type":"memory-backend-ram","id":"s390.ram","size":268435456}' \
+-overcommit mem-lock=off \
+-smp 1,sockets=1,cores=1,threads=1 \
+-uuid 9aa4b45c-b9dd-45ef-91fe-862b27b4231f \
+-display none \
+-no-user-config \
+-nodefaults \
+-chardev socket,id=charmonitor,fd=1729,server=on,wait=off \
+-mon chardev=charmonitor,id=monitor,mode=control \
+-rtc base=utc \
+-no-shutdown \
+-boot strict=on \
+-device '{"driver":"virtio-serial-ccw","id":"virtio-serial0","devno":"fe.0.0000"}' \
+-chardev pty,id=charconsole0 \
+-device '{"driver":"virtconsole","chardev":"charconsole0","id":"console0"}' \
+-audiodev '{"id":"audio1","driver":"none"}' \
+-device '{"driver":"virtio-balloon-ccw","id":"balloon0","devno":"fe.0.0001"}' \
+-sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,resourcecontrol=deny \
+-run-with async-teardown=off \
+-msg timestamp=on
diff --git a/tests/qemuxml2argvdata/s390-async-teardown-disabled.xml b/tests/qemuxml2argvdata/s390-async-teardown-disabled.xml
new file mode 100644
index 0000000000..3939be0006
--- /dev/null
+++ b/tests/qemuxml2argvdata/s390-async-teardown-disabled.xml
@@ -0,0 +1,24 @@
+<domain type='qemu'>
+ <name>QEMUGuest1</name>
+ <uuid>9aa4b45c-b9dd-45ef-91fe-862b27b4231f</uuid>
+ <memory>262144</memory>
+ <currentMemory>262144</currentMemory>
+ <os>
+ <type arch='s390x' machine='s390-ccw-virtio'>hvm</type>
+ </os>
+ <clock offset='utc'/>
+ <on_poweroff>destroy</on_poweroff>
+ <on_reboot>restart</on_reboot>
+ <on_crash>destroy</on_crash>
+ <features>
+ <async-teardown enabled='no'/>
+ </features>
+ <devices>
+ <emulator>/usr/bin/qemu-system-s390x</emulator>
+ <controller type='virtio-serial' index='0'>
+ </controller>
+ <console type='pty'>
+ <target type='virtio'/>
+ </console>
+ </devices>
+</domain>
diff --git a/tests/qemuxml2argvdata/s390-async-teardown-no-attrib.s390x-latest.args b/tests/qemuxml2argvdata/s390-async-teardown-no-attrib.s390x-latest.args
new file mode 100644
index 0000000000..23d8e30f71
--- /dev/null
+++ b/tests/qemuxml2argvdata/s390-async-teardown-no-attrib.s390x-latest.args
@@ -0,0 +1,36 @@
+LC_ALL=C \
+PATH=/bin \
+HOME=/var/lib/libvirt/qemu/domain--1-QEMUGuest1 \
+USER=test \
+LOGNAME=test \
+XDG_DATA_HOME=/var/lib/libvirt/qemu/domain--1-QEMUGuest1/.local/share \
+XDG_CACHE_HOME=/var/lib/libvirt/qemu/domain--1-QEMUGuest1/.cache \
+XDG_CONFIG_HOME=/var/lib/libvirt/qemu/domain--1-QEMUGuest1/.config \
+/usr/bin/qemu-system-s390x \
+-name guest=QEMUGuest1,debug-threads=on \
+-S \
+-object '{"qom-type":"secret","id":"masterKey0","format":"raw","file":"/var/lib/libvirt/qemu/domain--1-QEMUGuest1/master-key.aes"}' \
+-machine s390-ccw-virtio,usb=off,dump-guest-core=off,memory-backend=s390.ram \
+-accel tcg \
+-cpu qemu \
+-m 256 \
+-object '{"qom-type":"memory-backend-ram","id":"s390.ram","size":268435456}' \
+-overcommit mem-lock=off \
+-smp 1,sockets=1,cores=1,threads=1 \
+-uuid 9aa4b45c-b9dd-45ef-91fe-862b27b4231f \
+-display none \
+-no-user-config \
+-nodefaults \
+-chardev socket,id=charmonitor,fd=1729,server=on,wait=off \
+-mon chardev=charmonitor,id=monitor,mode=control \
+-rtc base=utc \
+-no-shutdown \
+-boot strict=on \
+-device '{"driver":"virtio-serial-ccw","id":"virtio-serial0","devno":"fe.0.0000"}' \
+-chardev pty,id=charconsole0 \
+-device '{"driver":"virtconsole","chardev":"charconsole0","id":"console0"}' \
+-audiodev '{"id":"audio1","driver":"none"}' \
+-device '{"driver":"virtio-balloon-ccw","id":"balloon0","devno":"fe.0.0001"}' \
+-sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,resourcecontrol=deny \
+-run-with async-teardown=on \
+-msg timestamp=on
diff --git a/tests/qemuxml2argvdata/s390-async-teardown-no-attrib.xml b/tests/qemuxml2argvdata/s390-async-teardown-no-attrib.xml
new file mode 100644
index 0000000000..e069cd41ed
--- /dev/null
+++ b/tests/qemuxml2argvdata/s390-async-teardown-no-attrib.xml
@@ -0,0 +1,24 @@
+<domain type='qemu'>
+ <name>QEMUGuest1</name>
+ <uuid>9aa4b45c-b9dd-45ef-91fe-862b27b4231f</uuid>
+ <memory>262144</memory>
+ <currentMemory>262144</currentMemory>
+ <os>
+ <type arch='s390x' machine='s390-ccw-virtio'>hvm</type>
+ </os>
+ <clock offset='utc'/>
+ <on_poweroff>destroy</on_poweroff>
+ <on_reboot>restart</on_reboot>
+ <on_crash>destroy</on_crash>
+ <features>
+ <async-teardown/>
+ </features>
+ <devices>
+ <emulator>/usr/bin/qemu-system-s390x</emulator>
+ <controller type='virtio-serial' index='0'>
+ </controller>
+ <console type='pty'>
+ <target type='virtio'/>
+ </console>
+ </devices>
+</domain>
diff --git a/tests/qemuxml2argvdata/s390-async-teardown.s390x-6.0.0.err b/tests/qemuxml2argvdata/s390-async-teardown.s390x-6.0.0.err
new file mode 100644
index 0000000000..aa9a4739cb
--- /dev/null
+++ b/tests/qemuxml2argvdata/s390-async-teardown.s390x-6.0.0.err
@@ -0,0 +1 @@
+unsupported configuration: asynchronous teardown is not available with this QEMU binary
diff --git a/tests/qemuxml2argvdata/s390-async-teardown.s390x-latest.args b/tests/qemuxml2argvdata/s390-async-teardown.s390x-latest.args
new file mode 100644
index 0000000000..23d8e30f71
--- /dev/null
+++ b/tests/qemuxml2argvdata/s390-async-teardown.s390x-latest.args
@@ -0,0 +1,36 @@
+LC_ALL=C \
+PATH=/bin \
+HOME=/var/lib/libvirt/qemu/domain--1-QEMUGuest1 \
+USER=test \
+LOGNAME=test \
+XDG_DATA_HOME=/var/lib/libvirt/qemu/domain--1-QEMUGuest1/.local/share \
+XDG_CACHE_HOME=/var/lib/libvirt/qemu/domain--1-QEMUGuest1/.cache \
+XDG_CONFIG_HOME=/var/lib/libvirt/qemu/domain--1-QEMUGuest1/.config \
+/usr/bin/qemu-system-s390x \
+-name guest=QEMUGuest1,debug-threads=on \
+-S \
+-object '{"qom-type":"secret","id":"masterKey0","format":"raw","file":"/var/lib/libvirt/qemu/domain--1-QEMUGuest1/master-key.aes"}' \
+-machine s390-ccw-virtio,usb=off,dump-guest-core=off,memory-backend=s390.ram \
+-accel tcg \
+-cpu qemu \
+-m 256 \
+-object '{"qom-type":"memory-backend-ram","id":"s390.ram","size":268435456}' \
+-overcommit mem-lock=off \
+-smp 1,sockets=1,cores=1,threads=1 \
+-uuid 9aa4b45c-b9dd-45ef-91fe-862b27b4231f \
+-display none \
+-no-user-config \
+-nodefaults \
+-chardev socket,id=charmonitor,fd=1729,server=on,wait=off \
+-mon chardev=charmonitor,id=monitor,mode=control \
+-rtc base=utc \
+-no-shutdown \
+-boot strict=on \
+-device '{"driver":"virtio-serial-ccw","id":"virtio-serial0","devno":"fe.0.0000"}' \
+-chardev pty,id=charconsole0 \
+-device '{"driver":"virtconsole","chardev":"charconsole0","id":"console0"}' \
+-audiodev '{"id":"audio1","driver":"none"}' \
+-device '{"driver":"virtio-balloon-ccw","id":"balloon0","devno":"fe.0.0001"}' \
+-sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,resourcecontrol=deny \
+-run-with async-teardown=on \
+-msg timestamp=on
diff --git a/tests/qemuxml2argvdata/s390-async-teardown.xml b/tests/qemuxml2argvdata/s390-async-teardown.xml
new file mode 100644
index 0000000000..3291b1ada3
--- /dev/null
+++ b/tests/qemuxml2argvdata/s390-async-teardown.xml
@@ -0,0 +1,24 @@
+<domain type='qemu'>
+ <name>QEMUGuest1</name>
+ <uuid>9aa4b45c-b9dd-45ef-91fe-862b27b4231f</uuid>
+ <memory>262144</memory>
+ <currentMemory>262144</currentMemory>
+ <os>
+ <type arch='s390x' machine='s390-ccw-virtio'>hvm</type>
+ </os>
+ <clock offset='utc'/>
+ <on_poweroff>destroy</on_poweroff>
+ <on_reboot>restart</on_reboot>
+ <on_crash>destroy</on_crash>
+ <features>
+ <async-teardown enabled='yes'/>
+ </features>
+ <devices>
+ <emulator>/usr/bin/qemu-system-s390x</emulator>
+ <controller type='virtio-serial' index='0'>
+ </controller>
+ <console type='pty'>
+ <target type='virtio'/>
+ </console>
+ </devices>
+</domain>
diff --git a/tests/qemuxml2argvtest.c b/tests/qemuxml2argvtest.c
index d914d8cbea..077003f88c 100644
--- a/tests/qemuxml2argvtest.c
+++ b/tests/qemuxml2argvtest.c
@@ -2699,6 +2699,13 @@ mymain(void)
DO_TEST_CAPS_LATEST("crypto-builtin");
+ DO_TEST_CAPS_LATEST("async-teardown");
+ DO_TEST_CAPS_ARCH_LATEST("s390-async-teardown", "s390x");
+ DO_TEST_CAPS_ARCH_LATEST("s390-async-teardown-no-attrib", "s390x");
+ DO_TEST_CAPS_ARCH_VER_PARSE_ERROR("s390-async-teardown", "s390x", "6.0.0");
+ DO_TEST_CAPS_ARCH_LATEST("s390-async-teardown-disabled", "s390x");
+ DO_TEST_CAPS_ARCH_VER("s390-async-teardown-disabled", "s390x", "6.0.0");
+
qemuTestDriverFree(&driver);
virFileWrapperClearPrefixes();
diff --git a/tests/qemuxml2xmloutdata/async-teardown.x86_64-latest.xml b/tests/qemuxml2xmloutdata/async-teardown.x86_64-latest.xml
new file mode 100644
index 0000000000..e98308a9b1
--- /dev/null
+++ b/tests/qemuxml2xmloutdata/async-teardown.x86_64-latest.xml
@@ -0,0 +1,44 @@
+<domain type='qemu'>
+ <name>QEMUGuest1</name>
+ <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
+ <memory unit='KiB'>219136</memory>
+ <currentMemory unit='KiB'>219136</currentMemory>
+ <vcpu placement='static'>1</vcpu>
+ <os>
+ <type arch='x86_64' machine='pc'>hvm</type>
+ <boot dev='hd'/>
+ </os>
+ <features>
+ <async-teardown enabled='yes'/>
+ </features>
+ <cpu mode='custom' match='exact' check='none'>
+ <model fallback='forbid'>qemu64</model>
+ </cpu>
+ <clock offset='utc'/>
+ <on_poweroff>destroy</on_poweroff>
+ <on_reboot>restart</on_reboot>
+ <on_crash>destroy</on_crash>
+ <devices>
+ <emulator>/usr/bin/qemu-system-x86_64</emulator>
+ <disk type='block' device='disk'>
+ <driver name='qemu' type='raw'/>
+ <source dev='/dev/HostVG/QEMUGuest1'/>
+ <target dev='hda' bus='ide'/>
+ <address type='drive' controller='0' bus='0' target='0' unit='0'/>
+ </disk>
+ <controller type='usb' index='0' model='piix3-uhci'>
+ <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x2'/>
+ </controller>
+ <controller type='fdc' index='0'/>
+ <controller type='ide' index='0'>
+ <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x1'/>
+ </controller>
+ <controller type='pci' index='0' model='pci-root'/>
+ <input type='mouse' bus='ps2'/>
+ <input type='keyboard' bus='ps2'/>
+ <audio id='1' type='none'/>
+ <memballoon model='virtio'>
+ <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/>
+ </memballoon>
+ </devices>
+</domain>
diff --git a/tests/qemuxml2xmloutdata/s390-async-teardown-disabled.s390x-6.0.0.xml b/tests/qemuxml2xmloutdata/s390-async-teardown-disabled.s390x-6.0.0.xml
new file mode 100644
index 0000000000..a53d4995f0
--- /dev/null
+++ b/tests/qemuxml2xmloutdata/s390-async-teardown-disabled.s390x-6.0.0.xml
@@ -0,0 +1,36 @@
+<domain type='qemu'>
+ <name>QEMUGuest1</name>
+ <uuid>9aa4b45c-b9dd-45ef-91fe-862b27b4231f</uuid>
+ <memory unit='KiB'>262144</memory>
+ <currentMemory unit='KiB'>262144</currentMemory>
+ <vcpu placement='static'>1</vcpu>
+ <os>
+ <type arch='s390x' machine='s390-ccw-virtio-6.0'>hvm</type>
+ <boot dev='hd'/>
+ </os>
+ <features>
+ <async-teardown enabled='no'/>
+ </features>
+ <cpu mode='custom' match='exact' check='none'>
+ <model fallback='forbid'>qemu</model>
+ </cpu>
+ <clock offset='utc'/>
+ <on_poweroff>destroy</on_poweroff>
+ <on_reboot>restart</on_reboot>
+ <on_crash>destroy</on_crash>
+ <devices>
+ <emulator>/usr/bin/qemu-system-s390x</emulator>
+ <controller type='virtio-serial' index='0'>
+ <address type='ccw' cssid='0xfe' ssid='0x0' devno='0x0000'/>
+ </controller>
+ <controller type='pci' index='0' model='pci-root'/>
+ <console type='pty'>
+ <target type='virtio' port='0'/>
+ </console>
+ <audio id='1' type='none'/>
+ <memballoon model='virtio'>
+ <address type='ccw' cssid='0xfe' ssid='0x0' devno='0x0001'/>
+ </memballoon>
+ <panic model='s390'/>
+ </devices>
+</domain>
diff --git a/tests/qemuxml2xmloutdata/s390-async-teardown-disabled.s390x-latest.xml b/tests/qemuxml2xmloutdata/s390-async-teardown-disabled.s390x-latest.xml
new file mode 100644
index 0000000000..06c890cbff
--- /dev/null
+++ b/tests/qemuxml2xmloutdata/s390-async-teardown-disabled.s390x-latest.xml
@@ -0,0 +1,36 @@
+<domain type='qemu'>
+ <name>QEMUGuest1</name>
+ <uuid>9aa4b45c-b9dd-45ef-91fe-862b27b4231f</uuid>
+ <memory unit='KiB'>262144</memory>
+ <currentMemory unit='KiB'>262144</currentMemory>
+ <vcpu placement='static'>1</vcpu>
+ <os>
+ <type arch='s390x' machine='s390-ccw-virtio'>hvm</type>
+ <boot dev='hd'/>
+ </os>
+ <features>
+ <async-teardown enabled='no'/>
+ </features>
+ <cpu mode='custom' match='exact' check='none'>
+ <model fallback='forbid'>qemu</model>
+ </cpu>
+ <clock offset='utc'/>
+ <on_poweroff>destroy</on_poweroff>
+ <on_reboot>restart</on_reboot>
+ <on_crash>destroy</on_crash>
+ <devices>
+ <emulator>/usr/bin/qemu-system-s390x</emulator>
+ <controller type='virtio-serial' index='0'>
+ <address type='ccw' cssid='0xfe' ssid='0x0' devno='0x0000'/>
+ </controller>
+ <controller type='pci' index='0' model='pci-root'/>
+ <console type='pty'>
+ <target type='virtio' port='0'/>
+ </console>
+ <audio id='1' type='none'/>
+ <memballoon model='virtio'>
+ <address type='ccw' cssid='0xfe' ssid='0x0' devno='0x0001'/>
+ </memballoon>
+ <panic model='s390'/>
+ </devices>
+</domain>
diff --git a/tests/qemuxml2xmloutdata/s390-async-teardown-no-attrib.s390x-latest.xml b/tests/qemuxml2xmloutdata/s390-async-teardown-no-attrib.s390x-latest.xml
new file mode 100644
index 0000000000..510396a9a8
--- /dev/null
+++ b/tests/qemuxml2xmloutdata/s390-async-teardown-no-attrib.s390x-latest.xml
@@ -0,0 +1,36 @@
+<domain type='qemu'>
+ <name>QEMUGuest1</name>
+ <uuid>9aa4b45c-b9dd-45ef-91fe-862b27b4231f</uuid>
+ <memory unit='KiB'>262144</memory>
+ <currentMemory unit='KiB'>262144</currentMemory>
+ <vcpu placement='static'>1</vcpu>
+ <os>
+ <type arch='s390x' machine='s390-ccw-virtio'>hvm</type>
+ <boot dev='hd'/>
+ </os>
+ <features>
+ <async-teardown enabled='yes'/>
+ </features>
+ <cpu mode='custom' match='exact' check='none'>
+ <model fallback='forbid'>qemu</model>
+ </cpu>
+ <clock offset='utc'/>
+ <on_poweroff>destroy</on_poweroff>
+ <on_reboot>restart</on_reboot>
+ <on_crash>destroy</on_crash>
+ <devices>
+ <emulator>/usr/bin/qemu-system-s390x</emulator>
+ <controller type='virtio-serial' index='0'>
+ <address type='ccw' cssid='0xfe' ssid='0x0' devno='0x0000'/>
+ </controller>
+ <controller type='pci' index='0' model='pci-root'/>
+ <console type='pty'>
+ <target type='virtio' port='0'/>
+ </console>
+ <audio id='1' type='none'/>
+ <memballoon model='virtio'>
+ <address type='ccw' cssid='0xfe' ssid='0x0' devno='0x0001'/>
+ </memballoon>
+ <panic model='s390'/>
+ </devices>
+</domain>
diff --git a/tests/qemuxml2xmloutdata/s390-async-teardown.s390x-latest.xml b/tests/qemuxml2xmloutdata/s390-async-teardown.s390x-latest.xml
new file mode 100644
index 0000000000..510396a9a8
--- /dev/null
+++ b/tests/qemuxml2xmloutdata/s390-async-teardown.s390x-latest.xml
@@ -0,0 +1,36 @@
+<domain type='qemu'>
+ <name>QEMUGuest1</name>
+ <uuid>9aa4b45c-b9dd-45ef-91fe-862b27b4231f</uuid>
+ <memory unit='KiB'>262144</memory>
+ <currentMemory unit='KiB'>262144</currentMemory>
+ <vcpu placement='static'>1</vcpu>
+ <os>
+ <type arch='s390x' machine='s390-ccw-virtio'>hvm</type>
+ <boot dev='hd'/>
+ </os>
+ <features>
+ <async-teardown enabled='yes'/>
+ </features>
+ <cpu mode='custom' match='exact' check='none'>
+ <model fallback='forbid'>qemu</model>
+ </cpu>
+ <clock offset='utc'/>
+ <on_poweroff>destroy</on_poweroff>
+ <on_reboot>restart</on_reboot>
+ <on_crash>destroy</on_crash>
+ <devices>
+ <emulator>/usr/bin/qemu-system-s390x</emulator>
+ <controller type='virtio-serial' index='0'>
+ <address type='ccw' cssid='0xfe' ssid='0x0' devno='0x0000'/>
+ </controller>
+ <controller type='pci' index='0' model='pci-root'/>
+ <console type='pty'>
+ <target type='virtio' port='0'/>
+ </console>
+ <audio id='1' type='none'/>
+ <memballoon model='virtio'>
+ <address type='ccw' cssid='0xfe' ssid='0x0' devno='0x0001'/>
+ </memballoon>
+ <panic model='s390'/>
+ </devices>
+</domain>
diff --git a/tests/qemuxml2xmltest.c b/tests/qemuxml2xmltest.c
index fb6fa3579f..947ceac534 100644
--- a/tests/qemuxml2xmltest.c
+++ b/tests/qemuxml2xmltest.c
@@ -1239,6 +1239,12 @@ mymain(void)
DO_TEST_CAPS_LATEST("cpu-phys-bits-limit");
DO_TEST_CAPS_LATEST("cpu-phys-bits-emulate-bare");
+ DO_TEST_CAPS_LATEST("async-teardown");
+ DO_TEST_CAPS_ARCH_LATEST("s390-async-teardown", "s390x");
+ DO_TEST_CAPS_ARCH_LATEST("s390-async-teardown-no-attrib", "s390x");
+ DO_TEST_CAPS_ARCH_LATEST("s390-async-teardown-disabled", "s390x");
+ DO_TEST_CAPS_ARCH_VER("s390-async-teardown-disabled", "s390x", "6.0.0");
+
cleanup:
qemuTestDriverFree(&driver);
virFileWrapperClearPrefixes();
--
2.41.0
