snd_hdspe: Use busdma for DMA buffers
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Authored by kbowling on Jul 21 2026, 4:18 AM.

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	F177169926: D58372.1793922468.diff
	Wed, Nov 4, 11:47 PM

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imp

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br
dev_submerge.ch

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rG06ee38896e14: snd_hdspe: Use busdma for DMA buffers
rG46b338381400: snd_hdspe: Use busdma for DMA buffers

Summary

Program DMA pages from busdma segments and synchronize buffer ownership.
Unwind partially allocated resources on failure.

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rG FreeBSD src repository

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Event Timeline

kbowling created this revision.Jul 21 2026, 4:18 AM

Herald added a subscriber: imp. · View Herald TranscriptJul 21 2026, 4:18 AM

kbowling requested review of this revision.Jul 21 2026, 4:18 AM

kbowling updated this revision to Diff 182352.Jul 21 2026, 4:35 AM

kbowling edited the summary of this revision. (Show Details)

kbowling updated this revision to Diff 182353.Jul 21 2026, 4:39 AM

kbowling added a reviewer: dev_submerge.ch.Jul 28 2026, 8:06 PM

works fine on AIO for a few months

This revision is now accepted and ready to land.Mon, Nov 2, 10:53 AM

Closed by commit rG46b338381400: snd_hdspe: Use busdma for DMA buffers. · Explain WhyMon, Nov 2, 4:01 PM

This revision was automatically updated to reflect the committed changes.

Restricted Repository Identity added a commit: rG46b338381400: snd_hdspe: Use busdma for DMA buffers.

Restricted Repository Identity added a commit: rG06ee38896e14: snd_hdspe: Use busdma for DMA buffers.Thu, Nov 5, 2:07 AM

Revision Contents
Changeset List

Path

Size

sys/

dev/

sound/

pci/

hdspe-pcm.c

24 lines

hdspe.h

5 lines

hdspe.c

132 lines

Diff 191303

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sys/dev/sound/pci/hdspe-pcm.c

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sys/dev/sound/pci/hdspe.h

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snd_hdspe: Use busdma for DMA buffersClosedPublicActions

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Revision ContentsChangeset List

Diff 191303

sys/dev/sound/pci/hdspe-pcm.c

sys/dev/sound/pci/hdspe.h

sys/dev/sound/pci/hdspe.c

snd_hdspe: Use busdma for DMA buffers
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Revision Contents
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