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7b6702d516
qemu supports this enlightenment since version 7.10.
From the qemu commit:
Hyper-V specification allows to pass parameters for certain hypercalls
using XMM registers ("XMM Fast Hypercall Input"). When the feature is
in use, it allows for faster hypercalls processing as KVM can avoid
reading guest's memory.
Signed-off-by: Tim Wiederhake <twiederh@redhat.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
300 lines
10 KiB
XML
300 lines
10 KiB
XML
<domainCapabilities>
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<path>/usr/bin/qemu-system-x86_64</path>
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<domain>kvm</domain>
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<machine>pc-q35-8.2</machine>
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<arch>x86_64</arch>
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<vcpu max='1024'/>
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<iothreads supported='yes'/>
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<os supported='yes'>
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<enum name='firmware'>
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<value>bios</value>
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<value>efi</value>
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</enum>
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<loader supported='yes'>
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<value>/obviously/fake/firmware1.fd</value>
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<value>/obviously/fake/firmware2.fd</value>
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<enum name='type'>
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<value>rom</value>
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<value>pflash</value>
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</enum>
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<enum name='readonly'>
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<value>yes</value>
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<value>no</value>
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</enum>
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<enum name='secure'>
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<value>yes</value>
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<value>no</value>
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</enum>
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</loader>
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</os>
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<cpu>
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<mode name='host-passthrough' supported='yes'>
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<enum name='hostPassthroughMigratable'>
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<value>on</value>
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<value>off</value>
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</enum>
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</mode>
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<mode name='maximum' supported='yes'>
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<enum name='maximumMigratable'>
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<value>on</value>
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<value>off</value>
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</enum>
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</mode>
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<mode name='host-model' supported='yes'>
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<model fallback='forbid'>EPYC-Rome</model>
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<vendor>AMD</vendor>
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<maxphysaddr mode='passthrough' limit='64'/>
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<feature policy='require' name='x2apic'/>
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<feature policy='require' name='tsc-deadline'/>
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<feature policy='require' name='hypervisor'/>
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<feature policy='require' name='tsc_adjust'/>
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<feature policy='require' name='stibp'/>
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<feature policy='require' name='arch-capabilities'/>
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<feature policy='require' name='ssbd'/>
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<feature policy='require' name='cmp_legacy'/>
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<feature policy='require' name='invtsc'/>
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<feature policy='require' name='amd-ssbd'/>
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<feature policy='require' name='virt-ssbd'/>
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<feature policy='require' name='lbrv'/>
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<feature policy='require' name='tsc-scale'/>
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<feature policy='require' name='vmcb-clean'/>
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<feature policy='require' name='pause-filter'/>
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<feature policy='require' name='pfthreshold'/>
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<feature policy='require' name='v-vmsave-vmload'/>
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<feature policy='require' name='vgif'/>
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<feature policy='require' name='svme-addr-chk'/>
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<feature policy='require' name='lfence-always-serializing'/>
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<feature policy='require' name='null-sel-clr-base'/>
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<feature policy='require' name='rdctl-no'/>
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<feature policy='require' name='skip-l1dfl-vmentry'/>
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<feature policy='require' name='mds-no'/>
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<feature policy='require' name='pschange-mc-no'/>
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<feature policy='require' name='gds-no'/>
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<feature policy='disable' name='xsaves'/>
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</mode>
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<mode name='custom' supported='yes'>
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<model usable='yes' vendor='unknown'>qemu64</model>
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<model usable='yes' vendor='unknown'>qemu32</model>
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<model usable='no' vendor='AMD'>phenom</model>
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<model usable='yes' vendor='unknown'>pentium3</model>
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<model usable='yes' vendor='unknown'>pentium2</model>
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<model usable='yes' vendor='unknown'>pentium</model>
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<model usable='no' vendor='Intel'>n270</model>
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<model usable='yes' vendor='unknown'>kvm64</model>
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<model usable='yes' vendor='unknown'>kvm32</model>
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<model usable='no' vendor='Intel'>coreduo</model>
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<model usable='no' vendor='Intel'>core2duo</model>
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<model usable='no' vendor='AMD'>athlon</model>
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<model usable='no' vendor='Intel'>Westmere-IBRS</model>
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<model usable='yes' vendor='Intel'>Westmere</model>
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<model usable='no' vendor='Intel'>Snowridge</model>
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<model usable='no' vendor='Intel'>Skylake-Server-noTSX-IBRS</model>
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<model usable='no' vendor='Intel'>Skylake-Server-IBRS</model>
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<model usable='no' vendor='Intel'>Skylake-Server</model>
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<model usable='no' vendor='Intel'>Skylake-Client-noTSX-IBRS</model>
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<model usable='no' vendor='Intel'>Skylake-Client-IBRS</model>
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<model usable='no' vendor='Intel'>Skylake-Client</model>
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<model usable='no' vendor='Intel'>SapphireRapids</model>
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<model usable='no' vendor='Intel'>SandyBridge-IBRS</model>
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<model usable='yes' vendor='Intel'>SandyBridge</model>
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<model usable='yes' vendor='Intel'>Penryn</model>
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<model usable='no' vendor='AMD'>Opteron_G5</model>
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<model usable='no' vendor='AMD'>Opteron_G4</model>
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<model usable='yes' vendor='AMD'>Opteron_G3</model>
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<model usable='yes' vendor='AMD'>Opteron_G2</model>
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<model usable='yes' vendor='AMD'>Opteron_G1</model>
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<model usable='no' vendor='Intel'>Nehalem-IBRS</model>
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<model usable='yes' vendor='Intel'>Nehalem</model>
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<model usable='no' vendor='Intel'>IvyBridge-IBRS</model>
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<model usable='no' vendor='Intel'>IvyBridge</model>
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<model usable='no' vendor='Intel'>Icelake-Server-noTSX</model>
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<model usable='no' vendor='Intel'>Icelake-Server</model>
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<model usable='no' vendor='Intel'>Haswell-noTSX-IBRS</model>
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<model usable='no' vendor='Intel'>Haswell-noTSX</model>
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<model usable='no' vendor='Intel'>Haswell-IBRS</model>
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<model usable='no' vendor='Intel'>Haswell</model>
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<model usable='no' vendor='Intel'>GraniteRapids</model>
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<model usable='no' vendor='AMD'>EPYC-Rome</model>
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<model usable='no' vendor='AMD'>EPYC-Milan</model>
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<model usable='yes' vendor='AMD'>EPYC-IBPB</model>
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<model usable='no' vendor='AMD'>EPYC-Genoa</model>
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<model usable='yes' vendor='AMD'>EPYC</model>
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<model usable='yes' vendor='Hygon'>Dhyana</model>
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<model usable='no' vendor='Intel'>Cooperlake</model>
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<model usable='yes' vendor='Intel'>Conroe</model>
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<model usable='no' vendor='Intel'>Cascadelake-Server-noTSX</model>
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<model usable='no' vendor='Intel'>Cascadelake-Server</model>
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<model usable='no' vendor='Intel'>Broadwell-noTSX-IBRS</model>
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<model usable='no' vendor='Intel'>Broadwell-noTSX</model>
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<model usable='no' vendor='Intel'>Broadwell-IBRS</model>
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<model usable='no' vendor='Intel'>Broadwell</model>
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<model usable='yes' vendor='unknown'>486</model>
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</mode>
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</cpu>
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<memoryBacking supported='yes'>
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<enum name='sourceType'>
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<value>file</value>
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<value>anonymous</value>
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<value>memfd</value>
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</enum>
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</memoryBacking>
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<devices>
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<disk supported='yes'>
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<enum name='diskDevice'>
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<value>disk</value>
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<value>cdrom</value>
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<value>floppy</value>
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<value>lun</value>
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</enum>
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<enum name='bus'>
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<value>fdc</value>
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<value>scsi</value>
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<value>virtio</value>
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<value>usb</value>
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<value>sata</value>
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</enum>
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<enum name='model'>
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<value>virtio</value>
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<value>virtio-transitional</value>
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<value>virtio-non-transitional</value>
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</enum>
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</disk>
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<graphics supported='yes'>
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<enum name='type'>
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<value>sdl</value>
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<value>vnc</value>
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<value>spice</value>
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<value>egl-headless</value>
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<value>dbus</value>
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</enum>
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</graphics>
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<video supported='yes'>
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<enum name='modelType'>
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<value>vga</value>
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<value>cirrus</value>
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<value>vmvga</value>
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<value>qxl</value>
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<value>virtio</value>
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<value>none</value>
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<value>bochs</value>
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<value>ramfb</value>
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</enum>
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</video>
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<hostdev supported='yes'>
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<enum name='mode'>
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<value>subsystem</value>
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</enum>
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<enum name='startupPolicy'>
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<value>default</value>
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<value>mandatory</value>
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<value>requisite</value>
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<value>optional</value>
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</enum>
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<enum name='subsysType'>
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<value>usb</value>
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<value>pci</value>
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<value>scsi</value>
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</enum>
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<enum name='capsType'/>
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<enum name='pciBackend'>
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<value>default</value>
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<value>vfio</value>
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</enum>
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</hostdev>
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<rng supported='yes'>
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<enum name='model'>
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<value>virtio</value>
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<value>virtio-transitional</value>
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<value>virtio-non-transitional</value>
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</enum>
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<enum name='backendModel'>
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<value>random</value>
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<value>egd</value>
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<value>builtin</value>
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</enum>
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</rng>
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<filesystem supported='yes'>
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<enum name='driverType'>
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<value>path</value>
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<value>handle</value>
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<value>virtiofs</value>
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</enum>
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</filesystem>
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<tpm supported='yes'>
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<enum name='model'>
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<value>tpm-tis</value>
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<value>tpm-crb</value>
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</enum>
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<enum name='backendModel'>
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<value>passthrough</value>
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<value>emulator</value>
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<value>external</value>
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</enum>
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<enum name='backendVersion'>
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<value>2.0</value>
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</enum>
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</tpm>
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<redirdev supported='yes'>
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<enum name='bus'>
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<value>usb</value>
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</enum>
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</redirdev>
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<channel supported='yes'>
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<enum name='type'>
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<value>pty</value>
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<value>unix</value>
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<value>spicevmc</value>
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</enum>
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</channel>
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<crypto supported='yes'>
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<enum name='model'>
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<value>virtio</value>
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</enum>
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<enum name='type'>
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<value>qemu</value>
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</enum>
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<enum name='backendModel'>
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<value>builtin</value>
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<value>lkcf</value>
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</enum>
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</crypto>
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<interface supported='yes'>
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<enum name='backendType'>
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<value>default</value>
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<value>passt</value>
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</enum>
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</interface>
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</devices>
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<features>
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<gic supported='no'/>
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<vmcoreinfo supported='yes'/>
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<genid supported='yes'/>
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<backingStoreInput supported='yes'/>
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<backup supported='yes'/>
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<async-teardown supported='yes'/>
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<sev supported='no'/>
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<sgx supported='no'/>
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<hyperv supported='yes'>
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<enum name='features'>
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<value>relaxed</value>
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<value>vapic</value>
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<value>spinlocks</value>
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<value>vpindex</value>
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<value>runtime</value>
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<value>synic</value>
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<value>stimer</value>
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<value>reset</value>
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<value>vendor_id</value>
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<value>frequencies</value>
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<value>reenlightenment</value>
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<value>tlbflush</value>
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<value>ipi</value>
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<value>avic</value>
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<value>emsr_bitmap</value>
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<value>xmm_input</value>
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</enum>
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</hyperv>
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<launchSecurity supported='no'/>
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</features>
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</domainCapabilities>
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