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77f51ab520
Since we're not saving the platform-specific data into a cache, we're
not going to populate the structure, which in turn will cause a crash
upon calling virNodeGetSEVInfo because of a NULL pointer dereference.
Ultimately, we should start caching this data along with host-specific
capabilities like NUMA and SELinux stuff into a separate cache, but for
the time being, this is a semi-proper fix for a potential crash.
Backtrace (requires libvirtd restart to load qemu caps from cache):
#0 qemuGetSEVInfoToParams
#1 qemuNodeGetSEVInfo
#2 virNodeGetSEVInfo
#3 remoteDispatchNodeGetSevInfo
#4 remoteDispatchNodeGetSevInfoHelper
#5 virNetServerProgramDispatchCall
#6 virNetServerProgramDispatch
#7 virNetServerProcessMsg
#8 virNetServerHandleJob
#9 virThreadPoolWorker
#10 virThreadHelper
https: //bugzilla.redhat.com/show_bug.cgi?id=1612009
Signed-off-by: Erik Skultety <eskultet@redhat.com>
Acked-by: Peter Krempa <pkrempa@redhat.com>
Tested-by: Brijesh Singh <brijesh.singh@amd.com>
151 lines
4.8 KiB
XML
151 lines
4.8 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-i440fx-2.12</machine>
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<arch>x86_64</arch>
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<vcpu max='255'/>
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<iothreads supported='yes'/>
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<os supported='yes'>
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<loader supported='yes'>
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<value>/usr/share/AAVMF/AAVMF_CODE.fd</value>
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<value>/usr/share/AAVMF/AAVMF32_CODE.fd</value>
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<value>/usr/share/OVMF/OVMF_CODE.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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</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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<mode name='host-model' supported='yes'>
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<model fallback='forbid'>Haswell-noTSX</model>
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<vendor>Intel</vendor>
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<feature policy='require' name='vme'/>
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<feature policy='require' name='ss'/>
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<feature policy='require' name='f16c'/>
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<feature policy='require' name='rdrand'/>
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<feature policy='require' name='hypervisor'/>
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<feature policy='require' name='arat'/>
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<feature policy='require' name='tsc_adjust'/>
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<feature policy='require' name='xsaveopt'/>
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<feature policy='require' name='pdpe1gb'/>
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<feature policy='require' name='abm'/>
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<feature policy='require' name='invtsc'/>
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</mode>
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<mode name='custom' supported='yes'>
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<model usable='yes'>qemu64</model>
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<model usable='yes'>qemu32</model>
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<model usable='no'>phenom</model>
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<model usable='yes'>pentium3</model>
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<model usable='yes'>pentium2</model>
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<model usable='yes'>pentium</model>
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<model usable='yes'>n270</model>
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<model usable='yes'>kvm64</model>
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<model usable='yes'>kvm32</model>
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<model usable='yes'>coreduo</model>
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<model usable='yes'>core2duo</model>
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<model usable='no'>athlon</model>
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<model usable='yes'>Westmere</model>
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<model usable='no'>Westmere-IBRS</model>
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<model usable='no'>Skylake-Server</model>
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<model usable='no'>Skylake-Server-IBRS</model>
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<model usable='no'>Skylake-Client</model>
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<model usable='no'>Skylake-Client-IBRS</model>
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<model usable='yes'>SandyBridge</model>
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<model usable='no'>SandyBridge-IBRS</model>
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<model usable='yes'>Penryn</model>
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<model usable='no'>Opteron_G5</model>
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<model usable='no'>Opteron_G4</model>
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<model usable='no'>Opteron_G3</model>
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<model usable='yes'>Opteron_G2</model>
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<model usable='yes'>Opteron_G1</model>
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<model usable='yes'>Nehalem</model>
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<model usable='no'>Nehalem-IBRS</model>
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<model usable='yes'>IvyBridge</model>
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<model usable='no'>IvyBridge-IBRS</model>
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<model usable='no'>Haswell</model>
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<model usable='yes'>Haswell-noTSX</model>
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<model usable='no'>Haswell-noTSX-IBRS</model>
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<model usable='no'>Haswell-IBRS</model>
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<model usable='no'>EPYC</model>
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<model usable='no'>EPYC-IBPB</model>
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<model usable='yes'>Conroe</model>
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<model usable='no'>Broadwell</model>
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<model usable='no'>Broadwell-noTSX</model>
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<model usable='no'>Broadwell-noTSX-IBRS</model>
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<model usable='no'>Broadwell-IBRS</model>
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<model usable='yes'>486</model>
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</mode>
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</cpu>
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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>ide</value>
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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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</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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</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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</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>kvm</value>
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<value>vfio</value>
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</enum>
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</hostdev>
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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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<sev supported='yes'>
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<cbitpos>47</cbitpos>
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<reducedPhysBits>1</reducedPhysBits>
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</sev>
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</features>
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</domainCapabilities>
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