Add bounce helpers to the arm64 busdma
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Authored by andrew on Sep 20 2020, 3:36 PM.

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Reviewers

manu
mmel

Group Reviewers

arm64

Commits

rS366102: Add bounce helpers to the arm64 busdma

Summary

Add helper functions to the arm64 busdma for common cases of checking if
we may need to bounce, and if we must bounce for a given address.

These will be expanded later as we handle cache-misaligned memory.

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Buildable 33668
Build 30907: arc lint + arc unit

Event Timeline

andrew created this revision.Sep 20 2020, 3:36 PM

Herald added a reviewer: manu. · View Herald TranscriptSep 20 2020, 3:36 PM

Herald added a subscriber: emaste. · View Herald Transcript

andrew requested review of this revision.Sep 20 2020, 3:36 PM

Harbormaster completed remote builds in B33668: Diff 77254.Sep 20 2020, 3:36 PM

mmel accepted this revision as: mmel.Sep 20 2020, 4:59 PM

This revision is now accepted and ready to land.Sep 20 2020, 4:59 PM

Add more calls to might_bounce/must_bounce

This revision now requires review to proceed.Sep 23 2020, 9:36 AM

Harbormaster completed remote builds in B33749: Diff 77403.Sep 23 2020, 9:36 AM

mmel accepted this revision as: mmel.Sep 23 2020, 5:06 PM

This revision is now accepted and ready to land.Sep 23 2020, 5:06 PM

Closed by commit rS366102: Add bounce helpers to the arm64 busdma (authored by andrew). · Explain WhySep 24 2020, 7:03 AM

This revision was automatically updated to reflect the committed changes.

andrew added a commit: rS366102: Add bounce helpers to the arm64 busdma.

Herald added a subscriber: imp. · View Herald TranscriptSep 24 2020, 7:03 AM

Revision Contents
Changeset List

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Size

sys/

arm64/

busdma_bounce.c

33 lines

Diff 77254

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sys/arm64/arm64/busdma_bounce.c

Add bounce helpers to the arm64 busdmaClosedPublicActions