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bhyve/pci_emul.c: Setup fixed PCI irq mappings for hotpluggable slots
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Authored by bnovkov on Jan 11 2026, 1:32 PM.

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Reviewers

markj

Group Reviewers

bhyve

Summary

Tweak init_pci to set up irq mappings for all pins in a given
hotpluggable slot.
This makes it possible to emit ACPI interrupt routing entries (PRT)
for hotpluggable slots, which is a prerequisite for ACPI-based
device hotplugging.

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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 B69793: Diff 169464.Jan 11 2026, 1:32 PM

bnovkov added a parent revision: D54643: bhyve: Refactor pci_irq_route.Jan 11 2026, 1:32 PM

bnovkov added a child revision: D54645: bhyve/pci_emul.c: Emit ACPI methods for hotpluggable slots.

markj accepted this revision as: markj.Feb 3 2026, 4:48 PM

markj added a subscriber: markj.

markj added inline comments.

usr.sbin/bhyve/pci_emul.c
1675	These can be declared in the loop, `for (int pin = 0; pin < 4; ...) { struct intxinfo *ii; ... }`
1687	Indentation is wrong here.

This revision is now accepted and ready to land.Feb 3 2026, 4:48 PM

Address @markj 's comments.

This revision now requires review to proceed.Feb 5 2026, 6:02 PM

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usr.sbin/

bhyve/

pci_emul.c

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bhyve/pci_emul.c: Setup fixed PCI irq mappings for hotpluggable slotsNeeds ReviewPublicActions