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Cache devices xml - #855

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ben-grande wants to merge 4 commits into
QubesOS:mainfrom
ben-grande:cache-devices-xml
Draft

Cache devices xml#855
ben-grande wants to merge 4 commits into
QubesOS:mainfrom
ben-grande:cache-devices-xml

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@ben-grande

@ben-grande ben-grande commented Jul 24, 2026 •
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Moved problematic commits from #852 to this PR, to not block the other from being merged.

TODO:

  • support device manipulation outside of qubesd, such as using virsh or xl directly
VIR_DOMAIN_EVENT_ID_DEVICE_REMOVED	= 	15 (0xf) virConnectDomainEventDeviceRemovedCallback
VIR_DOMAIN_EVENT_ID_DEVICE_ADDED	= 	19 (0x13) virConnectDomainEventDeviceAddedCallback
VIR_DOMAIN_EVENT_ID_DEVICE_REMOVAL_FAILED	= 	22 (0x16) virConnectDomainEventDeviceRemovalFailedCallback
  • add unit tests
  • add integ tests

@ben-grande
Cache libvirt device nodes
f85a589 
Assuming that hotplug is unsupported.
@ben-grande
EXPERIMENTAL Filter block devices to avoid XMLDesc
17df639
@ben-grande
Cache PCI devices
6e2d29e 
Skip PVH when listing attached PCI devices, as they can't possibly be
there.
@ben-grande
Cache block devices
5f95b12
@ben-grande ben-grande mentioned this pull request Jul 24, 2026
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