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Differential D26493

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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manu
mmel
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arm64
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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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rS FreeBSD src repository - subversion
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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
andrew updated this revision to Diff 77403.EditedSep 23 2020, 9:36 AM

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

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head/
sys/
arm64/
arm64/
43 lines

Diff 77472

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head/sys/arm64/arm64/busdma_bounce.c

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