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libvirt/tests/qemustatusxml2xmldata/blockjob-blockdev-in.xml
Peter Krempa b3f8ad07dd qemu: blockjob: Track orphaned backing chains in blockjob status XML 
When the guest unplugs the disk frontend libvirt is responsible for
deleting the backend. Since a blockjob may still have a reference to the
backing chain when it is running we'll have to store the metadata for
the unplugged disk for future reference.

This patch adds 'chain' and 'mirrorChain' fields to 'qemuBlockJobData'
to keep them around with the job along with status XML machinery and
tests. Later patches will then add code to change the ownership of the
chain when unplugging the disk backend.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2019-07-18 17:59:34 +02:00

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<domstatus state='running' reason='booted' pid='7690'>
<taint flag='high-privileges'/>
<monitor path='/var/lib/libvirt/qemu/domain-4-copy/monitor.sock' type='unix'/>
<namespaces>
<mount/>
</namespaces>
<vcpus>
<vcpu id='0' pid='7696'/>
</vcpus>
<qemuCaps>
<flag name='kvm'/>
<flag name='no-hpet'/>
<flag name='spice'/>
<flag name='hda-duplex'/>
<flag name='ccid-emulated'/>
<flag name='ccid-passthru'/>
<flag name='virtio-tx-alg'/>
<flag name='virtio-blk-pci.ioeventfd'/>
<flag name='sga'/>
<flag name='virtio-blk-pci.event_idx'/>
<flag name='virtio-net-pci.event_idx'/>
<flag name='piix3-usb-uhci'/>
<flag name='piix4-usb-uhci'/>
<flag name='usb-ehci'/>
<flag name='ich9-usb-ehci1'/>
<flag name='vt82c686b-usb-uhci'/>
<flag name='pci-ohci'/>
<flag name='usb-redir'/>
<flag name='usb-hub'/>
<flag name='ich9-ahci'/>
<flag name='no-acpi'/>
<flag name='virtio-blk-pci.scsi'/>
<flag name='scsi-disk.channel'/>
<flag name='scsi-block'/>
<flag name='transaction'/>
<flag name='block-job-async'/>
<flag name='scsi-cd'/>
<flag name='ide-cd'/>
<flag name='hda-micro'/>
<flag name='dump-guest-memory'/>
<flag name='nec-usb-xhci'/>
<flag name='balloon-event'/>
<flag name='lsi'/>
<flag name='virtio-scsi-pci'/>
<flag name='blockio'/>
<flag name='disable-s3'/>
<flag name='disable-s4'/>
<flag name='usb-redir.filter'/>
<flag name='ide-drive.wwn'/>
<flag name='scsi-disk.wwn'/>
<flag name='seccomp-sandbox'/>
<flag name='reboot-timeout'/>
<flag name='seamless-migration'/>
<flag name='block-commit'/>
<flag name='vnc'/>
<flag name='drive-mirror'/>
<flag name='blockdev-snapshot-sync'/>
<flag name='qxl'/>
<flag name='VGA'/>
<flag name='cirrus-vga'/>
<flag name='vmware-svga'/>
<flag name='device-video-primary'/>
<flag name='usb-serial'/>
<flag name='nbd-server'/>
<flag name='virtio-rng'/>
<flag name='rng-random'/>
<flag name='rng-egd'/>
<flag name='megasas'/>
<flag name='tpm-passthrough'/>
<flag name='tpm-tis'/>
<flag name='pci-bridge'/>
<flag name='vfio-pci'/>
<flag name='mem-merge'/>
<flag name='drive-discard'/>
<flag name='mlock'/>
<flag name='device-del-event'/>
<flag name='dmi-to-pci-bridge'/>
<flag name='i440fx-pci-hole64-size'/>
<flag name='q35-pci-hole64-size'/>
<flag name='usb-storage'/>
<flag name='usb-storage.removable'/>
<flag name='ich9-intel-hda'/>
<flag name='kvm-pit-lost-tick-policy'/>
<flag name='boot-strict'/>
<flag name='pvpanic'/>
<flag name='spice-file-xfer-disable'/>
<flag name='usb-kbd'/>
<flag name='msg-timestamp'/>
<flag name='active-commit'/>
<flag name='change-backing-file'/>
<flag name='memory-backend-ram'/>
<flag name='numa'/>
<flag name='memory-backend-file'/>
<flag name='usb-audio'/>
<flag name='rtc-reset-reinjection'/>
<flag name='splash-timeout'/>
<flag name='iothread'/>
<flag name='migrate-rdma'/>
<flag name='ivshmem'/>
<flag name='drive-iotune-max'/>
<flag name='VGA.vgamem_mb'/>
<flag name='vmware-svga.vgamem_mb'/>
<flag name='qxl.vgamem_mb'/>
<flag name='pc-dimm'/>
<flag name='machine-vmport-opt'/>
<flag name='aes-key-wrap'/>
<flag name='dea-key-wrap'/>
<flag name='pci-serial'/>
<flag name='vhost-user-multiqueue'/>
<flag name='migration-event'/>
<flag name='ioh3420'/>
<flag name='x3130-upstream'/>
<flag name='xio3130-downstream'/>
<flag name='rtl8139'/>
<flag name='e1000'/>
<flag name='virtio-net'/>
<flag name='gic-version'/>
<flag name='incoming-defer'/>
<flag name='virtio-gpu'/>
<flag name='virtio-gpu.virgl'/>
<flag name='virtio-keyboard'/>
<flag name='virtio-mouse'/>
<flag name='virtio-tablet'/>
<flag name='virtio-input-host'/>
<flag name='chardev-file-append'/>
<flag name='ich9-disable-s3'/>
<flag name='ich9-disable-s4'/>
<flag name='vserport-change-event'/>
<flag name='virtio-balloon-pci.deflate-on-oom'/>
<flag name='mptsas1068'/>
<flag name='spice-gl'/>
<flag name='qxl.vram64_size_mb'/>
<flag name='chardev-logfile'/>
<flag name='debug-threads'/>
<flag name='secret'/>
<flag name='pxb'/>
<flag name='pxb-pcie'/>
<flag name='device-tray-moved-event'/>
<flag name='nec-usb-xhci-ports'/>
<flag name='virtio-scsi-pci.iothread'/>
<flag name='name-guest'/>
<flag name='qxl.max_outputs'/>
<flag name='spice-unix'/>
<flag name='drive-detect-zeroes'/>
<flag name='tls-creds-x509'/>
<flag name='intel-iommu'/>
<flag name='smm'/>
<flag name='virtio-pci-disable-legacy'/>
<flag name='query-hotpluggable-cpus'/>
<flag name='virtio-net.rx_queue_size'/>
<flag name='virtio-vga'/>
<flag name='drive-iotune-max-length'/>
<flag name='ivshmem-plain'/>
<flag name='ivshmem-doorbell'/>
<flag name='query-qmp-schema'/>
<flag name='gluster.debug_level'/>
<flag name='vhost-scsi'/>
<flag name='drive-iotune-group'/>
<flag name='query-cpu-model-expansion'/>
<flag name='virtio-net.host_mtu'/>
<flag name='spice-rendernode'/>
<flag name='nvdimm'/>
<flag name='pcie-root-port'/>
<flag name='query-cpu-definitions'/>
<flag name='block-write-threshold'/>
<flag name='query-named-block-nodes'/>
<flag name='cpu-cache'/>
<flag name='qemu-xhci'/>
<flag name='kernel-irqchip'/>
<flag name='kernel-irqchip.split'/>
<flag name='intel-iommu.intremap'/>
<flag name='intel-iommu.caching-mode'/>
<flag name='intel-iommu.eim'/>
<flag name='intel-iommu.device-iotlb'/>
<flag name='virtio.iommu_platform'/>
<flag name='virtio.ats'/>
<flag name='loadparm'/>
<flag name='vnc-multi-servers'/>
<flag name='virtio-net.tx_queue_size'/>
<flag name='chardev-reconnect'/>
<flag name='virtio-gpu.max_outputs'/>
<flag name='vxhs'/>
<flag name='virtio-blk.num-queues'/>
<flag name='vmcoreinfo'/>
<flag name='numa.dist'/>
<flag name='disk-share-rw'/>
<flag name='iscsi.password-secret'/>
<flag name='isa-serial'/>
<flag name='dump-completed'/>
<flag name='qcow2-luks'/>
<flag name='pcie-pci-bridge'/>
<flag name='seccomp-blacklist'/>
<flag name='query-cpus-fast'/>
<flag name='disk-write-cache'/>
<flag name='nbd-tls'/>
<flag name='tpm-crb'/>
<flag name='pr-manager-helper'/>
<flag name='qom-list-properties'/>
<flag name='memory-backend-file.discard-data'/>
<flag name='sdl-gl'/>
<flag name='screendump_device'/>
<flag name='hda-output'/>
<flag name='blockdev-del'/>
<flag name='vmgenid'/>
<flag name='vhost-vsock'/>
<flag name='chardev-fd-pass'/>
<flag name='tpm-emulator'/>
<flag name='mch'/>
<flag name='mch.extended-tseg-mbytes'/>
<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'/>
<flag name='egl-headless.rendernode'/>
</qemuCaps>
<devices>
<device alias='rng0'/>
<device alias='sound0-codec0'/>
<device alias='virtio-disk0'/>
<device alias='virtio-serial0'/>
<device alias='video0'/>
<device alias='serial0'/>
<device alias='sound0'/>
<device alias='channel1'/>
<device alias='channel0'/>
<device alias='usb'/>
</devices>
<libDir path='/var/lib/libvirt/qemu/domain-4-copy'/>
<channelTargetDir path='/var/lib/libvirt/qemu/channel/target/domain-4-copy'/>
<chardevStdioLogd/>
<allowReboot value='yes'/>
<nodename index='0'/>
<blockjobs active='yes'>
<blockjob name='drive-virtio-disk0' type='copy' state='ready'>
<disk dst='vda'/>
</blockjob>
<blockjob name='test-orphan-job0' type='copy' state='ready'>
<chains>
<disk type='file' format='qcow2'>
<source file='/orphan/source/top.qcow2' index='123'>
<privateData>
<nodenames>
<nodename type='storage' name='orphan-source-top-storage'/>
<nodename type='format' name='orphan-source-top-format'/>
</nodenames>
</privateData>
</source>
<backingStore type='file' index='321'>
<format type='qcow2'/>
<source file='/orphan/source/base.qcow2'>
<privateData>
<nodenames>
<nodename type='storage' name='orphan-source-base-storage'/>
<nodename type='format' name='orphan-source-base-format'/>
</nodenames>
</privateData>
</source>
<backingStore/>
</backingStore>
</disk>
<mirror type='file' format='raw'>
<source file='/orphan/mirror/raw' index='42'>
<privateData>
<nodenames>
<nodename type='storage' name='orphan-mirror-raw-storage'/>
<nodename type='format' name='orphan-mirror-raw-format'/>
</nodenames>
</privateData>
</source>
<backingStore/>
</mirror>
</chains>
</blockjob>
</blockjobs>
<domain type='kvm' id='4'>
<name>copy</name>
<uuid>0439a4a8-db56-4933-9183-d8681d7b0746</uuid>
<memory unit='KiB'>1024000</memory>
<currentMemory unit='KiB'>1024000</currentMemory>
<vcpu placement='static'>1</vcpu>
<resource>
<partition>/machine</partition>
</resource>
<os>
<type arch='x86_64' machine='pc-i440fx-2.9'>hvm</type>
<boot dev='hd'/>
<bootmenu enable='yes'/>
</os>
<features>
<acpi/>
<apic/>
<vmport state='off'/>
</features>
<clock offset='utc'>
<timer name='rtc' tickpolicy='catchup'/>
<timer name='pit' tickpolicy='delay'/>
<timer name='hpet' present='no'/>
</clock>
<on_poweroff>destroy</on_poweroff>
<on_reboot>restart</on_reboot>
<on_crash>restart</on_crash>
<pm>
<suspend-to-mem enabled='no'/>
<suspend-to-disk enabled='no'/>
</pm>
<devices>
<emulator>/usr/bin/qemu-system-x86_64</emulator>
<disk type='file' device='disk'>
<driver name='qemu' type='qcow2'/>
<source file='/tmp/src'/>
<backingStore/>
<mirror type='file' file='/tmp/copy' format='qcow2' job='copy' ready='yes'>
<format type='qcow2'/>
<source file='/tmp/copy'/>
</mirror>
<target dev='vda' bus='virtio'/>
<alias name='virtio-disk0'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x0a' function='0x0'/>
</disk>
<controller type='usb' index='0' model='piix3-uhci'>
<alias name='usb'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x2'/>
</controller>
<controller type='pci' index='0' model='pci-root'>
<alias name='pci.0'/>
</controller>
<serial type='pty'>
<source path='/dev/pts/34'/>
<target type='isa-serial' port='0'>
<model name='isa-serial'/>
</target>
<alias name='serial0'/>
</serial>
<console type='pty' tty='/dev/pts/34'>
<source path='/dev/pts/34'/>
<target type='serial' port='0'/>
<alias name='serial0'/>
</console>
<input type='mouse' bus='ps2'>
<alias name='input0'/>
</input>
<input type='keyboard' bus='ps2'>
<alias name='input1'/>
</input>
<graphics type='spice' port='5900' autoport='yes' listen='127.0.0.1'>
<listen type='address' address='127.0.0.1' fromConfig='1' autoGenerated='no'/>
<image compression='off'/>
</graphics>
<video>
<model type='qxl' ram='65536' vram='65536' vgamem='16384' heads='1' primary='yes'/>
<alias name='video0'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/>
</video>
<memballoon model='none'/>
</devices>
<seclabel type='dynamic' model='selinux' relabel='yes'>
<label>unconfined_u:unconfined_r:svirt_t:s0:c550,c786</label>
<imagelabel>unconfined_u:object_r:svirt_image_t:s0:c550,c786</imagelabel>
</seclabel>
<seclabel type='dynamic' model='dac' relabel='yes'>
<label>+0:+0</label>
<imagelabel>+0:+0</imagelabel>
</seclabel>
</domain>
</domstatus>
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