bhyve/virtio-scsi: advertise support for indirect descriptors
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Authored by rosenfeld_grumpf.hope-2000.org on Oct 30 2025, 7:38 AM.

Details

Reviewers

jhb
corvink
markj

Group Reviewers

bhyve

Commits

rG94976733d352: bhyve/virtio-scsi: advertise support for indirect descriptors

Summary

Support for indirect registers is actually part of the common virtio code,
the virtio-scsi code doesn't actually care or even know anything about it.

Advertising the features greatly improves performance with some guest
operating systems.

Diff Detail

Repository

rG FreeBSD src repository

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Lint Skipped

Unit

Tests Skipped

Build Status

Buildable 68262
Build 65145: arc lint + arc unit

Event Timeline

rosenfeld_grumpf.hope-2000.org created this revision.Oct 30 2025, 7:38 AM

Herald added a reviewer: bhyve. · View Herald TranscriptOct 30 2025, 7:38 AM

rosenfeld_grumpf.hope-2000.org requested review of this revision.Oct 30 2025, 7:38 AM

Harbormaster completed remote builds in B68262: Diff 165398.Oct 30 2025, 7:38 AM

rosenfeld_grumpf.hope-2000.org added a parent revision: D53466: bhyve/virtio-scsi: unlimit max_sectors.Oct 30 2025, 7:38 AM

rosenfeld_grumpf.hope-2000.org added a child revision: D53468: bhyve/virtio: Rework iovec handling functions for efficiency and clarity.

corvink accepted this revision.Nov 3 2025, 7:25 AM

This revision is now accepted and ready to land.Nov 3 2025, 7:25 AM

Closed by commit rG94976733d352: bhyve/virtio-scsi: advertise support for indirect descriptors (authored by rosenfeld_grumpf.hope-2000.org, committed by emaste). · Explain WhyFeb 6 2026, 2:20 PM

This revision was automatically updated to reflect the committed changes.

emaste added a commit: rG94976733d352: bhyve/virtio-scsi: advertise support for indirect descriptors.

Revision Contents
Changeset List

Path

Size

usr.sbin/

bhyve/

pci_virtio_scsi.c

2 lines

Diff 165398

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usr.sbin/bhyve/pci_virtio_scsi.c

bhyve/virtio-scsi: advertise support for indirect descriptorsClosedPublicActions