arm64/its: Support devices not behind an iommu
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Authored by andrew on Jan 30 2025, 2:51 PM.

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Reviewers

kib
manu

Group Reviewers

arm64

Commits

rG8fd88aeedb1e: arm64/its: Support devices not behind an iommu

Summary

When the IOMMU option is enabled but a device doesn't have an IOMMU
this will return an error. If the device is really behind an IOMMU
then it will fail later, and if not this is needed to allocate MSI and
MAI-X interrupts.

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Repository

rG FreeBSD src repository

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Unit

Tests Not Applicable

Event Timeline

andrew created this revision.Jan 30 2025, 2:51 PM

Herald added a reviewer: manu. · View Herald TranscriptJan 30 2025, 2:51 PM

Herald added subscribers: emaste, imp. · View Herald Transcript

andrew requested review of this revision.Jan 30 2025, 2:51 PM

Harbormaster completed remote builds in B62141: Diff 150188.Jan 30 2025, 2:51 PM

andrew added a child revision: D48726: sys: Make the iommu xref uintptr_t.Jan 30 2025, 2:51 PM

s/MAI-X/MSI-X/ in the summary

This revision is now accepted and ready to land.Jan 30 2025, 4:46 PM

Closed by commit rG8fd88aeedb1e: arm64/its: Support devices not behind an iommu (authored by andrew). · Explain WhyFeb 4 2025, 12:27 PM

This revision was automatically updated to reflect the committed changes.

andrew added a commit: rG8fd88aeedb1e: arm64/its: Support devices not behind an iommu.

Revision Contents
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sys/

arm64/

gicv3_its.c

10 lines

Diff 150457

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sys/arm64/arm64/gicv3_its.c

arm64/its: Support devices not behind an iommuClosedPublicActions