bhyve/pci_emul.c: Add handlers for ACPI PCI hotplug metadata
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Authored by bnovkov on Jan 11 2026, 1:32 PM.

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Reviewers

markj

Group Reviewers

bhyve

Summary

This change adds memory access handlers for the per-bus ACPI
PCI hotplugging metadata.

This is a prerequisite for PCI device hotplugging since it allows
the guest to interact with the per-bus hotplug metadata.

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rG FreeBSD src repository

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Event Timeline

bnovkov created this revision.Jan 11 2026, 1:32 PM

Herald added subscribers: bcran, rgrimes, imp. · View Herald TranscriptJan 11 2026, 1:32 PM

bnovkov requested review of this revision.Jan 11 2026, 1:32 PM

Harbormaster completed remote builds in B69795: Diff 169466.Jan 11 2026, 1:32 PM

bnovkov added a parent revision: D54645: bhyve/pci_emul.c: Emit ACPI methods for hotpluggable slots.Jan 11 2026, 1:32 PM

bnovkov added a child revision: D54647: bhyve/pci_emul.c: Introduce device teardown routines.

markj added a subscriber: markj.Tue, Feb 3, 4:58 PM

markj added inline comments.

usr.sbin/bhyve/pci_emul.c
3138	You don't want to acquire hp_lock around this read?

Address @markj 's comments.

usr.sbin/bhyve/pci_emul.c
3138	ah, thanks for catching this, fixed.

markj accepted this revision as: markj.Fri, Feb 6, 3:35 PM

This revision is now accepted and ready to land.Fri, Feb 6, 3:35 PM

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usr.sbin/

bhyve/

pci_emul.c

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bhyve/pci_emul.c: Add handlers for ACPI PCI hotplug metadataAcceptedPublicActions