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Differential D33728

bhyve: only init MSI-X table if passthru device supports it
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Authored by corvink on Jan 3 2022, 12:26 PM.
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bcran
bz
imp
rgrimes
bhyve

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jhb
markj
manu
bz
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bhyve
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rG338a1be83630: bhyve: only init MSI-X table if passthru device supports it
Summary

Some passthru devices only support MSI instead of MSI-X. For those
devices the initialization of MSI-X table will fail.

This issue was added by D33628

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rG FreeBSD src repository
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Event Timeline

corvink created this revision.Jan 3 2022, 12:26 PM
Herald added subscribers: bcran, rgrimes, imp. · View Herald TranscriptJan 3 2022, 12:26 PM
corvink requested review of this revision.Jan 3 2022, 12:26 PM
corvink mentioned this in D33628: bhyve: passthru: enable BARs before possibly mmap(2)ing them.
bz accepted this revision.Jan 3 2022, 2:10 PM
bz added a subscriber: bz.

Sorry for that breakage and thanks for the fix; do you mind if I commit it straight away so I can MFC the proper version?

This revision is now accepted and ready to land.Jan 3 2022, 2:10 PM
manu accepted this revision.Jan 3 2022, 2:13 PM
corvink added a comment.Jan 3 2022, 2:14 PM
In D33728#762550, @bz wrote:

Sorry for that breakage and thanks for the fix; do you mind if I commit it straight away so I can MFC the proper version?

Thanks for your fast response. Of course, you can commit it straight away.

Closed by commit rG338a1be83630: bhyve: only init MSI-X table if passthru device supports it (authored by corvink, committed by bz). · Explain WhyJan 3 2022, 3:04 PM
This revision was automatically updated to reflect the committed changes.
bz added a commit: rG338a1be83630: bhyve: only init MSI-X table if passthru device supports it.
bz mentioned this in rG7ea16192a01e: bhyve: passthru: enable BARs before possibly mmap(2)ing them.Jan 9 2022, 2:40 AM

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usr.sbin/
bhyve/
14 lines

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usr.sbin/bhyve/pci_passthru.c

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