docs/formatdomain.rst | 4 ++ src/conf/domain_conf.c | 4 ++ src/conf/domain_conf.h | 1 + src/conf/schemas/domaincommon.rng | 5 +++ src/qemu/qemu_command.c | 9 ++++ src/qemu/qemu_validate.c | 1 + ...64-virt-virtualization.aarch64-latest.args | 38 ++++++++++++++++ ...h64-virt-virtualization.aarch64-latest.xml | 45 +++++++++++++++++++ .../aarch64-virt-virtualization.xml | 25 +++++++++++ tests/qemuxmlconftest.c | 2 + 10 files changed, 134 insertions(+) create mode 100644 tests/qemuxmlconfdata/aarch64-virt-virtualization.aarch64-latest.args create mode 100644 tests/qemuxmlconfdata/aarch64-virt-virtualization.aarch64-latest.xml create mode 100644 tests/qemuxmlconfdata/aarch64-virt-virtualization.xml
The "virt" board in QEMU has a "virtualization" option
that is documented like this:
virtualization
Set ``on``/``off`` to enable/disable emulating a guest CPU which implements the
Arm Virtualization Extensions. The default is ``off``.
(from system/arm/virt.rst)
According to the documentation, the "virtualiaztion" option
is related to the "gic-version" option. Specifically, gic version=4
requires virtualization to be enabled. And gic version=max will use
version=4 when virtualization is enabled, and 3 when not.
Libvirt does not currently model neither gic version "3" nor "max"
though.
It is also documented for the "vexpress-a(9|15)" boards, where it is
also disabled by default:
- QEMU defaults to providing a CPU which does not provide either
TrustZone or the Virtualization Extensions: if you want these you
must enable them with ``-machine secure=on`` and ``-machine
virtualization=on``
(system/arm/vexpress.rst).
On the command line it looks like:
qemu-system-aarch64 -machine type=virt,virtualization=on ..
Model it using the "virtualization" element in the "features" section:
<features>
<virtualization/>
</features>
Signed-off-by: Roman Bogorodskiy <bogorodskiy@gmail.com>
---
docs/formatdomain.rst | 4 ++
src/conf/domain_conf.c | 4 ++
src/conf/domain_conf.h | 1 +
src/conf/schemas/domaincommon.rng | 5 +++
src/qemu/qemu_command.c | 9 ++++
src/qemu/qemu_validate.c | 1 +
...64-virt-virtualization.aarch64-latest.args | 38 ++++++++++++++++
...h64-virt-virtualization.aarch64-latest.xml | 45 +++++++++++++++++++
.../aarch64-virt-virtualization.xml | 25 +++++++++++
tests/qemuxmlconftest.c | 2 +
10 files changed, 134 insertions(+)
create mode 100644 tests/qemuxmlconfdata/aarch64-virt-virtualization.aarch64-latest.args
create mode 100644 tests/qemuxmlconfdata/aarch64-virt-virtualization.aarch64-latest.xml
create mode 100644 tests/qemuxmlconfdata/aarch64-virt-virtualization.xml
diff --git a/docs/formatdomain.rst b/docs/formatdomain.rst
index 04ef319a73..ad74d91950 100644
--- a/docs/formatdomain.rst
+++ b/docs/formatdomain.rst
@@ -2378,6 +2378,10 @@ are:
one IMSIC device present per core), or ``none`` (no support for AIA).
If the attribute is not defined, the hypervisor default
will be used. :since:`Since 11.1.0` (QEMU/KVM and RISC-V guests only)
+``virtualization``
+ Enable emulating a guest CPU which implements the Arm Virtualization Extensions.
+ If the attribute is not defined, the hypervisor default will be used.
+ :since:`Since 12.1.0` (QEMU/KVM and ARM virt guests only)
Time keeping
------------
diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index 9ca5c2450c..1a8c5cb5b7 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -188,6 +188,7 @@ VIR_ENUM_IMPL(virDomainFeature,
"ras",
"ps2",
"aia",
+ "virtualization",
);
VIR_ENUM_IMPL(virDomainCapabilitiesPolicy,
@@ -17480,6 +17481,7 @@ virDomainFeaturesDefParse(virDomainDef *def,
case VIR_DOMAIN_FEATURE_PAE:
case VIR_DOMAIN_FEATURE_VIRIDIAN:
case VIR_DOMAIN_FEATURE_PRIVNET:
+ case VIR_DOMAIN_FEATURE_VIRTUALIZATION:
def->features[val] = VIR_TRISTATE_SWITCH_ON;
break;
@@ -21636,6 +21638,7 @@ virDomainDefFeaturesCheckABIStability(virDomainDef *src,
case VIR_DOMAIN_FEATURE_CCF_ASSIST:
case VIR_DOMAIN_FEATURE_RAS:
case VIR_DOMAIN_FEATURE_PS2:
+ case VIR_DOMAIN_FEATURE_VIRTUALIZATION:
if (src->features[i] != dst->features[i]) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("State of feature '%1$s' differs: source: '%2$s', destination: '%3$s'"),
@@ -28867,6 +28870,7 @@ virDomainDefFormatFeatures(virBuffer *buf,
case VIR_DOMAIN_FEATURE_PAE:
case VIR_DOMAIN_FEATURE_VIRIDIAN:
case VIR_DOMAIN_FEATURE_PRIVNET:
+ case VIR_DOMAIN_FEATURE_VIRTUALIZATION:
/* NOTE: This is for old style <opt/> booleans. New XML
* should use the explicit state=on|off output below */
switch ((virTristateSwitch) def->features[i]) {
diff --git a/src/conf/domain_conf.h b/src/conf/domain_conf.h
index cb35ff06bd..d0f4c082fd 100644
--- a/src/conf/domain_conf.h
+++ b/src/conf/domain_conf.h
@@ -2243,6 +2243,7 @@ typedef enum {
VIR_DOMAIN_FEATURE_RAS,
VIR_DOMAIN_FEATURE_PS2,
VIR_DOMAIN_FEATURE_AIA,
+ VIR_DOMAIN_FEATURE_VIRTUALIZATION,
VIR_DOMAIN_FEATURE_LAST
} virDomainFeature;
diff --git a/src/conf/schemas/domaincommon.rng b/src/conf/schemas/domaincommon.rng
index 114dd3f96f..8669d8f791 100644
--- a/src/conf/schemas/domaincommon.rng
+++ b/src/conf/schemas/domaincommon.rng
@@ -7180,6 +7180,11 @@
<optional>
<ref name="aia"/>
</optional>
+ <optional>
+ <element name="virtualization">
+ <empty/>
+ </element>
+ </optional>
</interleave>
</element>
</optional>
diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index 0de0a79b46..b410daf156 100644
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -7011,6 +7011,15 @@ qemuAppendDomainFeaturesMachineParam(virBuffer *buf,
}
}
+ if (def->features[VIR_DOMAIN_FEATURE_VIRTUALIZATION] == VIR_TRISTATE_SWITCH_ON) {
+ if (virQEMUCapsGetArch(qemuCaps) != VIR_ARCH_AARCH64) {
+ virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
+ _("virtualization option is not available with this QEMU binary"));
+ return -1;
+ }
+ virBufferAddLit(buf, ",virtualization=on");
+ }
+
if (def->features[VIR_DOMAIN_FEATURE_HTM] != VIR_TRISTATE_SWITCH_ABSENT) {
const char *str;
str = virTristateSwitchTypeToString(def->features[VIR_DOMAIN_FEATURE_HTM]);
diff --git a/src/qemu/qemu_validate.c b/src/qemu/qemu_validate.c
index 184c23d307..5474d00ecd 100644
--- a/src/qemu/qemu_validate.c
+++ b/src/qemu/qemu_validate.c
@@ -182,6 +182,7 @@ qemuValidateDomainDefFeatures(const virDomainDef *def,
break;
case VIR_DOMAIN_FEATURE_GIC:
+ case VIR_DOMAIN_FEATURE_VIRTUALIZATION:
if (def->features[i] == VIR_TRISTATE_SWITCH_ON &&
!qemuDomainIsARMVirt(def)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
diff --git a/tests/qemuxmlconfdata/aarch64-virt-virtualization.aarch64-latest.args b/tests/qemuxmlconfdata/aarch64-virt-virtualization.aarch64-latest.args
new file mode 100644
index 0000000000..be04ecc641
--- /dev/null
+++ b/tests/qemuxmlconfdata/aarch64-virt-virtualization.aarch64-latest.args
@@ -0,0 +1,38 @@
+LC_ALL=C \
+PATH=/bin \
+HOME=/var/lib/libvirt/qemu/domain--1-aarch64-virt-default \
+USER=test \
+LOGNAME=test \
+XDG_DATA_HOME=/var/lib/libvirt/qemu/domain--1-aarch64-virt-default/.local/share \
+XDG_CACHE_HOME=/var/lib/libvirt/qemu/domain--1-aarch64-virt-default/.cache \
+XDG_CONFIG_HOME=/var/lib/libvirt/qemu/domain--1-aarch64-virt-default/.config \
+/usr/bin/qemu-system-aarch64 \
+-name guest=aarch64-virt-default-nic,debug-threads=on \
+-S \
+-object '{"qom-type":"secret","id":"masterKey0","format":"raw","file":"/var/lib/libvirt/qemu/domain--1-aarch64-virt-default/master-key.aes"}' \
+-machine virt,usb=off,gic-version=2,virtualization=on,dump-guest-core=off,memory-backend=mach-virt.ram,acpi=off \
+-accel tcg \
+-cpu cortex-a53 \
+-m size=1048576k \
+-object '{"qom-type":"memory-backend-ram","id":"mach-virt.ram","size":1073741824}' \
+-overcommit mem-lock=off \
+-smp 1,sockets=1,cores=1,threads=1 \
+-uuid 6ba410c5-1e5c-4d57-bee7-2228e7ffa32f \
+-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 \
+-kernel /aarch64.kernel \
+-initrd /aarch64.initrd \
+-append console=ttyAMA0 \
+-device '{"driver":"pcie-root-port","port":8,"chassis":1,"id":"pci.1","bus":"pcie.0","multifunction":true,"addr":"0x1"}' \
+-device '{"driver":"pcie-root-port","port":9,"chassis":2,"id":"pci.2","bus":"pcie.0","addr":"0x1.0x1"}' \
+-netdev '{"type":"user","id":"hostnet0"}' \
+-device '{"driver":"virtio-net-pci","netdev":"hostnet0","id":"net0","mac":"52:54:00:09:a4:37","bus":"pci.1","addr":"0x0"}' \
+-audiodev '{"id":"audio1","driver":"none"}' \
+-sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,resourcecontrol=deny \
+-msg timestamp=on
diff --git a/tests/qemuxmlconfdata/aarch64-virt-virtualization.aarch64-latest.xml b/tests/qemuxmlconfdata/aarch64-virt-virtualization.aarch64-latest.xml
new file mode 100644
index 0000000000..7636046257
--- /dev/null
+++ b/tests/qemuxmlconfdata/aarch64-virt-virtualization.aarch64-latest.xml
@@ -0,0 +1,45 @@
+<domain type='qemu'>
+ <name>aarch64-virt-default-nic</name>
+ <uuid>6ba410c5-1e5c-4d57-bee7-2228e7ffa32f</uuid>
+ <memory unit='KiB'>1048576</memory>
+ <currentMemory unit='KiB'>1048576</currentMemory>
+ <vcpu placement='static'>1</vcpu>
+ <os>
+ <type arch='aarch64' machine='virt'>hvm</type>
+ <kernel>/aarch64.kernel</kernel>
+ <initrd>/aarch64.initrd</initrd>
+ <cmdline>console=ttyAMA0</cmdline>
+ <boot dev='hd'/>
+ </os>
+ <features>
+ <gic version='2'/>
+ <virtualization/>
+ </features>
+ <cpu mode='custom' match='exact' check='none'>
+ <model fallback='allow'>cortex-a53</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-aarch64</emulator>
+ <controller type='pci' index='0' model='pcie-root'/>
+ <controller type='pci' index='1' model='pcie-root-port'>
+ <model name='pcie-root-port'/>
+ <target chassis='1' port='0x8'/>
+ <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x0' multifunction='on'/>
+ </controller>
+ <controller type='pci' index='2' model='pcie-root-port'>
+ <model name='pcie-root-port'/>
+ <target chassis='2' port='0x9'/>
+ <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x1'/>
+ </controller>
+ <interface type='user'>
+ <mac address='52:54:00:09:a4:37'/>
+ <model type='virtio'/>
+ <address type='pci' domain='0x0000' bus='0x01' slot='0x00' function='0x0'/>
+ </interface>
+ <audio id='1' type='none'/>
+ </devices>
+</domain>
diff --git a/tests/qemuxmlconfdata/aarch64-virt-virtualization.xml b/tests/qemuxmlconfdata/aarch64-virt-virtualization.xml
new file mode 100644
index 0000000000..ee7984a736
--- /dev/null
+++ b/tests/qemuxmlconfdata/aarch64-virt-virtualization.xml
@@ -0,0 +1,25 @@
+<domain type="qemu">
+ <name>aarch64-virt-default-nic</name>
+ <uuid>6ba410c5-1e5c-4d57-bee7-2228e7ffa32f</uuid>
+ <memory>1048576</memory>
+ <currentMemory>1048576</currentMemory>
+ <vcpu>1</vcpu>
+ <cpu match='exact'>
+ <model>cortex-a53</model>
+ </cpu>
+ <os>
+ <type arch="aarch64" machine="virt">hvm</type>
+ <kernel>/aarch64.kernel</kernel>
+ <initrd>/aarch64.initrd</initrd>
+ <cmdline>console=ttyAMA0</cmdline>
+ </os>
+ <features>
+ <virtualization/>
+ </features>
+ <devices>
+ <emulator>/usr/bin/qemu-system-aarch64</emulator>
+ <interface type='user'>
+ <mac address='52:54:00:09:a4:37'/>
+ </interface>
+ </devices>
+</domain>
diff --git a/tests/qemuxmlconftest.c b/tests/qemuxmlconftest.c
index 89b8ad1a35..c7c1d1da54 100644
--- a/tests/qemuxmlconftest.c
+++ b/tests/qemuxmlconftest.c
@@ -3322,6 +3322,8 @@ mymain(void)
/* MSHV guests should not work on Linux with KVM */
DO_TEST_CAPS_LATEST_PARSE_ERROR("mshv-x86_64-q35-headless");
+ DO_TEST_CAPS_ARCH_LATEST("aarch64-virt-virtualization", "aarch64");
+
/* check that all input files were actually used here */
if (testConfXMLCheck(existingTestCases) < 0)
ret = -1;
--
2.52.0On 1/12/26 20:17, Roman Bogorodskiy wrote:
> The "virt" board in QEMU has a "virtualization" option
> that is documented like this:
>
> virtualization
> Set ``on``/``off`` to enable/disable emulating a guest CPU which implements the
> Arm Virtualization Extensions. The default is ``off``.
>
> (from system/arm/virt.rst)
>
> According to the documentation, the "virtualiaztion" option
> is related to the "gic-version" option. Specifically, gic version=4
> requires virtualization to be enabled. And gic version=max will use
> version=4 when virtualization is enabled, and 3 when not.
> Libvirt does not currently model neither gic version "3" nor "max"
yes we do model GICv3 actually, but not 4.
``gic``
Enable for architectures using a General Interrupt Controller instead of APIC
in order to handle interrupts. For example, the 'aarch64' architecture uses
``gic`` instead of ``apic``. The optional attribute ``version`` specifies the
GIC version; however, it may not be supported by all hypervisors. Accepted
values are ``2``, ``3`` and ``host``. :since:`Since 1.2.16`
And there's this one funny comment in hw/arm/virt.c:
static VirtGICType finalize_gic_version_do(const char *accel_name,
VirtGICType gic_version,
int gics_supported,
unsigned int max_cpus)
{
/* Convert host/max/nosel to GIC version number */
switch (gic_version) {
case VIRT_GIC_VERSION_HOST:
if (!kvm_enabled()) {
error_report("gic-version=host requires KVM");
exit(1);
}
/* For KVM, gic-version=host means gic-version=max */
return finalize_gic_version_do(accel_name, VIRT_GIC_VERSION_MAX,
gics_supported, max_cpus);
> though.
>
> It is also documented for the "vexpress-a(9|15)" boards, where it is
> also disabled by default:
>
> - QEMU defaults to providing a CPU which does not provide either
> TrustZone or the Virtualization Extensions: if you want these you
> must enable them with ``-machine secure=on`` and ``-machine
> virtualization=on``
>
> (system/arm/vexpress.rst).
>
> On the command line it looks like:
>
> qemu-system-aarch64 -machine type=virt,virtualization=on ..
>
> Model it using the "virtualization" element in the "features" section:
>
> <features>
> <virtualization/>
> </features>
>
> Signed-off-by: Roman Bogorodskiy <bogorodskiy@gmail.com>
> ---
> docs/formatdomain.rst | 4 ++
> src/conf/domain_conf.c | 4 ++
> src/conf/domain_conf.h | 1 +
> src/conf/schemas/domaincommon.rng | 5 +++
> src/qemu/qemu_command.c | 9 ++++
> src/qemu/qemu_validate.c | 1 +
> ...64-virt-virtualization.aarch64-latest.args | 38 ++++++++++++++++
> ...h64-virt-virtualization.aarch64-latest.xml | 45 +++++++++++++++++++
> .../aarch64-virt-virtualization.xml | 25 +++++++++++
> tests/qemuxmlconftest.c | 2 +
> 10 files changed, 134 insertions(+)
> create mode 100644 tests/qemuxmlconfdata/aarch64-virt-virtualization.aarch64-latest.args
> create mode 100644 tests/qemuxmlconfdata/aarch64-virt-virtualization.aarch64-latest.xml
> create mode 100644 tests/qemuxmlconfdata/aarch64-virt-virtualization.xml
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Michal
Michal Prívozník wrote:
> On 1/12/26 20:17, Roman Bogorodskiy wrote:
> > The "virt" board in QEMU has a "virtualization" option
> > that is documented like this:
> >
> > virtualization
> > Set ``on``/``off`` to enable/disable emulating a guest CPU which implements the
> > Arm Virtualization Extensions. The default is ``off``.
> >
> > (from system/arm/virt.rst)
> >
> > According to the documentation, the "virtualiaztion" option
> > is related to the "gic-version" option. Specifically, gic version=4
> > requires virtualization to be enabled. And gic version=max will use
> > version=4 when virtualization is enabled, and 3 when not.
> > Libvirt does not currently model neither gic version "3" nor "max"
>
> yes we do model GICv3 actually, but not 4.
Sorry, that was a typo, it should have been 'version "4" nor "max"'.
> ``gic``
> Enable for architectures using a General Interrupt Controller instead of APIC
> in order to handle interrupts. For example, the 'aarch64' architecture uses
> ``gic`` instead of ``apic``. The optional attribute ``version`` specifies the
> GIC version; however, it may not be supported by all hypervisors. Accepted
> values are ``2``, ``3`` and ``host``. :since:`Since 1.2.16`
>
> And there's this one funny comment in hw/arm/virt.c:
>
> static VirtGICType finalize_gic_version_do(const char *accel_name,
> VirtGICType gic_version,
> int gics_supported,
> unsigned int max_cpus)
> {
> /* Convert host/max/nosel to GIC version number */
> switch (gic_version) {
> case VIRT_GIC_VERSION_HOST:
> if (!kvm_enabled()) {
> error_report("gic-version=host requires KVM");
> exit(1);
> }
>
> /* For KVM, gic-version=host means gic-version=max */
> return finalize_gic_version_do(accel_name, VIRT_GIC_VERSION_MAX,
> gics_supported, max_cpus);
>
> > though.
> >
> > It is also documented for the "vexpress-a(9|15)" boards, where it is
> > also disabled by default:
> >
> > - QEMU defaults to providing a CPU which does not provide either
> > TrustZone or the Virtualization Extensions: if you want these you
> > must enable them with ``-machine secure=on`` and ``-machine
> > virtualization=on``
> >
> > (system/arm/vexpress.rst).
> >
> > On the command line it looks like:
> >
> > qemu-system-aarch64 -machine type=virt,virtualization=on ..
> >
> > Model it using the "virtualization" element in the "features" section:
> >
> > <features>
> > <virtualization/>
> > </features>
> >
> > Signed-off-by: Roman Bogorodskiy <bogorodskiy@gmail.com>
> > ---
> > docs/formatdomain.rst | 4 ++
> > src/conf/domain_conf.c | 4 ++
> > src/conf/domain_conf.h | 1 +
> > src/conf/schemas/domaincommon.rng | 5 +++
> > src/qemu/qemu_command.c | 9 ++++
> > src/qemu/qemu_validate.c | 1 +
> > ...64-virt-virtualization.aarch64-latest.args | 38 ++++++++++++++++
> > ...h64-virt-virtualization.aarch64-latest.xml | 45 +++++++++++++++++++
> > .../aarch64-virt-virtualization.xml | 25 +++++++++++
> > tests/qemuxmlconftest.c | 2 +
> > 10 files changed, 134 insertions(+)
> > create mode 100644 tests/qemuxmlconfdata/aarch64-virt-virtualization.aarch64-latest.args
> > create mode 100644 tests/qemuxmlconfdata/aarch64-virt-virtualization.aarch64-latest.xml
> > create mode 100644 tests/qemuxmlconfdata/aarch64-virt-virtualization.xml
>
> Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
>
> Michal
>
Roman Bogorodskiy wrote: > The "virt" board in QEMU has a "virtualization" option > that is documented like this: > > virtualization > Set ``on``/``off`` to enable/disable emulating a guest CPU which implements the > Arm Virtualization Extensions. The default is ``off``. > > (from system/arm/virt.rst) > > According to the documentation, the "virtualiaztion" option > is related to the "gic-version" option. Specifically, gic version=4 > requires virtualization to be enabled. And gic version=max will use > version=4 when virtualization is enabled, and 3 when not. > Libvirt does not currently model neither gic version "3" nor "max" > though. > > It is also documented for the "vexpress-a(9|15)" boards, where it is > also disabled by default: > > - QEMU defaults to providing a CPU which does not provide either > TrustZone or the Virtualization Extensions: if you want these you > must enable them with ``-machine secure=on`` and ``-machine > virtualization=on`` > > (system/arm/vexpress.rst). > > On the command line it looks like: > > qemu-system-aarch64 -machine type=virt,virtualization=on .. > > Model it using the "virtualization" element in the "features" section: > > <features> > <virtualization/> > </features> > > Signed-off-by: Roman Bogorodskiy <bogorodskiy@gmail.com> > --- > docs/formatdomain.rst | 4 ++ > src/conf/domain_conf.c | 4 ++ > src/conf/domain_conf.h | 1 + > src/conf/schemas/domaincommon.rng | 5 +++ > src/qemu/qemu_command.c | 9 ++++ > src/qemu/qemu_validate.c | 1 + > ...64-virt-virtualization.aarch64-latest.args | 38 ++++++++++++++++ > ...h64-virt-virtualization.aarch64-latest.xml | 45 +++++++++++++++++++ > .../aarch64-virt-virtualization.xml | 25 +++++++++++ > tests/qemuxmlconftest.c | 2 + > 10 files changed, 134 insertions(+) > create mode 100644 tests/qemuxmlconfdata/aarch64-virt-virtualization.aarch64-latest.args > create mode 100644 tests/qemuxmlconfdata/aarch64-virt-virtualization.aarch64-latest.xml > create mode 100644 tests/qemuxmlconfdata/aarch64-virt-virtualization.xml ping?
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