tests: Add test cases for virtio-iommu

These represent valid uses of the device.

Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>

tests/qemuxml2argvdata/virtio-iommu-aarch64.aarch64-latest.args

@@ -0,0 +1,35 @@
+LC_ALL=C \
+PATH=/bin \
+HOME=/tmp/lib/domain--1-guest \
+USER=test \
+LOGNAME=test \
+XDG_DATA_HOME=/tmp/lib/domain--1-guest/.local/share \
+XDG_CACHE_HOME=/tmp/lib/domain--1-guest/.cache \
+XDG_CONFIG_HOME=/tmp/lib/domain--1-guest/.config \
+/usr/bin/qemu-system-aarch64 \
+-name guest=guest,debug-threads=on \
+-S \
+-object '{"qom-type":"secret","id":"masterKey0","format":"raw","file":"/tmp/lib/domain--1-guest/master-key.aes"}' \
+-blockdev '{"driver":"file","filename":"/usr/share/AAVMF/AAVMF_CODE.fd","node-name":"libvirt-pflash0-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-pflash0-format","read-only":true,"driver":"raw","file":"libvirt-pflash0-storage"}' \
+-blockdev '{"driver":"file","filename":"/var/lib/libvirt/qemu/nvram/guest_VARS.fd","node-name":"libvirt-pflash1-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-pflash1-format","read-only":false,"driver":"raw","file":"libvirt-pflash1-storage"}' \
+-machine virt,usb=off,dump-guest-core=off,gic-version=2,pflash0=libvirt-pflash0-format,pflash1=libvirt-pflash1-format,memory-backend=mach-virt.ram \
+-accel tcg \
+-cpu cortex-a15 \
+-m 1024 \
+-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 1ccfd97d-5eb4-478a-bbe6-88d254c16db7 \
+-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 \
+-audiodev '{"id":"audio1","driver":"none"}' \
+-sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,resourcecontrol=deny \
+-msg timestamp=on

tests/qemuxml2argvdata/virtio-iommu-aarch64.xml

@@ -0,0 +1,20 @@
+<domain type='qemu'>
+  <name>guest</name>
+  <uuid>1ccfd97d-5eb4-478a-bbe6-88d254c16db7</uuid>
+  <memory unit='KiB'>1048576</memory>
+  <vcpu placement='static'>1</vcpu>
+  <os>
+    <type arch='aarch64' machine='virt'>hvm</type>
+    <loader readonly='yes' type='pflash'>/usr/share/AAVMF/AAVMF_CODE.fd</loader>
+    <nvram>/var/lib/libvirt/qemu/nvram/guest_VARS.fd</nvram>
+  </os>
+  <features>
+    <acpi/>
+  </features>
+  <devices>
+    <emulator>/usr/bin/qemu-system-aarch64</emulator>
+    <controller type='usb' model='none'/>
+    <memballoon model='none'/>
+    <iommu model='virtio'/>
+  </devices>
+</domain>

tests/qemuxml2argvdata/virtio-iommu-x86_64.x86_64-latest.args

@@ -0,0 +1,31 @@
+LC_ALL=C \
+PATH=/bin \
+HOME=/tmp/lib/domain--1-QEMUGuest1 \
+USER=test \
+LOGNAME=test \
+XDG_DATA_HOME=/tmp/lib/domain--1-QEMUGuest1/.local/share \
+XDG_CACHE_HOME=/tmp/lib/domain--1-QEMUGuest1/.cache \
+XDG_CONFIG_HOME=/tmp/lib/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":"/tmp/lib/domain--1-QEMUGuest1/master-key.aes"}' \
+-machine q35,usb=off,dump-guest-core=off,memory-backend=pc.ram \
+-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 \
+-audiodev '{"id":"audio1","driver":"none"}' \
+-sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,resourcecontrol=deny \
+-msg timestamp=on

tests/qemuxml2argvdata/virtio-iommu-x86_64.xml

@@ -0,0 +1,18 @@
+<domain type='qemu'>
+  <name>QEMUGuest1</name>
+  <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
+  <memory unit='KiB'>219100</memory>
+  <vcpu placement='static'>1</vcpu>
+  <os>
+    <type arch='x86_64' machine='q35'>hvm</type>
+  </os>
+  <features>
+    <acpi/>
+  </features>
+  <devices>
+    <emulator>/usr/bin/qemu-system-x86_64</emulator>
+    <controller type='usb' model='none'/>
+    <memballoon model='none'/>
+    <iommu model='virtio'/>
+  </devices>
+</domain>

tests/qemuxml2argvtest.c

@@ -3247,6 +3247,8 @@ mymain(void)
     DO_TEST_CAPS_LATEST("intel-iommu-aw-bits");
     DO_TEST_CAPS_LATEST_PARSE_ERROR("intel-iommu-wrong-machine");
     DO_TEST_CAPS_ARCH_LATEST("iommu-smmuv3", "aarch64");
+    DO_TEST_CAPS_LATEST("virtio-iommu-x86_64");
+    DO_TEST_CAPS_ARCH_LATEST("virtio-iommu-aarch64", "aarch64");
 
     DO_TEST("cpu-hotplug-startup", QEMU_CAPS_QUERY_HOTPLUGGABLE_CPUS);
     DO_TEST_PARSE_ERROR("cpu-hotplug-granularity",

tests/qemuxml2xmloutdata/virtio-iommu-aarch64.aarch64-latest.xml

@@ -0,0 +1,32 @@
+<domain type='qemu'>
+  <name>guest</name>
+  <uuid>1ccfd97d-5eb4-478a-bbe6-88d254c16db7</uuid>
+  <memory unit='KiB'>1048576</memory>
+  <currentMemory unit='KiB'>1048576</currentMemory>
+  <vcpu placement='static'>1</vcpu>
+  <os>
+    <type arch='aarch64' machine='virt'>hvm</type>
+    <loader readonly='yes' type='pflash'>/usr/share/AAVMF/AAVMF_CODE.fd</loader>
+    <nvram>/var/lib/libvirt/qemu/nvram/guest_VARS.fd</nvram>
+    <boot dev='hd'/>
+  </os>
+  <features>
+    <acpi/>
+    <gic version='2'/>
+  </features>
+  <cpu mode='custom' match='exact' check='none'>
+    <model fallback='forbid'>cortex-a15</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='usb' index='0' model='none'/>
+    <controller type='pci' index='0' model='pcie-root'/>
+    <audio id='1' type='none'/>
+    <memballoon model='none'/>
+    <iommu model='virtio'/>
+  </devices>
+</domain>

tests/qemuxml2xmloutdata/virtio-iommu-x86_64.x86_64-latest.xml

@@ -0,0 +1,34 @@
+<domain type='qemu'>
+  <name>QEMUGuest1</name>
+  <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
+  <memory unit='KiB'>219100</memory>
+  <currentMemory unit='KiB'>219100</currentMemory>
+  <vcpu placement='static'>1</vcpu>
+  <os>
+    <type arch='x86_64' machine='q35'>hvm</type>
+    <boot dev='hd'/>
+  </os>
+  <features>
+    <acpi/>
+  </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>
+    <controller type='usb' index='0' model='none'/>
+    <controller type='sata' index='0'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x1f' function='0x2'/>
+    </controller>
+    <controller type='pci' index='0' model='pcie-root'/>
+    <input type='mouse' bus='ps2'/>
+    <input type='keyboard' bus='ps2'/>
+    <audio id='1' type='none'/>
+    <memballoon model='none'/>
+    <iommu model='virtio'/>
+  </devices>
+</domain>

tests/qemuxml2xmltest.c

@@ -1284,6 +1284,8 @@ mymain(void)
     DO_TEST_CAPS_LATEST("intel-iommu-device-iotlb");
     DO_TEST_CAPS_LATEST("intel-iommu-aw-bits");
     DO_TEST_CAPS_ARCH_LATEST("iommu-smmuv3", "aarch64");
+    DO_TEST_CAPS_LATEST("virtio-iommu-x86_64");
+    DO_TEST_CAPS_ARCH_LATEST("virtio-iommu-aarch64", "aarch64");
 
     DO_TEST_NOCAPS("cpu-check-none");
     DO_TEST_NOCAPS("cpu-check-partial");