LinuxKPI: implement dma_{alloc,free}_{noncoherent,attrs}
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Authored by bz on Aug 16 2026, 10:18 PM.

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rG0b1dea8f51e4: LinuxKPI: implement dma_{alloc,free}_{noncoherent,attrs}
rGc3fa17a6a331: LinuxKPI: implement dma_{alloc,free}_{noncoherent,attrs}

Summary

We use one to implement the other given direction stays unused.

This is needed by an upcoming wifi driver.

MFC after: 3 days

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rG FreeBSD src repository

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Tests Not Applicable

Event Timeline

bz created this revision.Aug 16 2026, 10:18 PM

Herald added subscribers: emaste, imp. · View Herald TranscriptAug 16 2026, 10:18 PM

bz requested review of this revision.Aug 16 2026, 10:18 PM

Harbormaster completed remote builds in B75636: Diff 184153.Aug 16 2026, 10:18 PM

bz added a parent revision: D58879: LinuxKPI: fix argument type to lkpi_pci_msi_desc_alloc().Aug 16 2026, 10:22 PM

bz added a child revision: D58881: LinuxKPI: add PCI_IRQ_AFFINITY #define.

emaste added a project: linuxkpi.Aug 17 2026, 4:57 PM

dumbbell accepted this revision.Thu, Sep 10, 6:53 PM

This revision is now accepted and ready to land.Thu, Sep 10, 6:53 PM

Closed by commit rGc3fa17a6a331: LinuxKPI: implement dma_{alloc,free}_{noncoherent,attrs} (authored by bz). · Explain WhyMon, Sep 14, 7:48 PM

This revision was automatically updated to reflect the committed changes.

bz added a commit: rGc3fa17a6a331: LinuxKPI: implement dma_{alloc,free}_{noncoherent,attrs}.

bz added a commit: rG0b1dea8f51e4: LinuxKPI: implement dma_{alloc,free}_{noncoherent,attrs}.Sat, Sep 19, 2:41 PM

Revision Contents
Changeset List

Path

Size

sys/

compat/

linuxkpi/

common/

include/

linux/

dma-mapping.h

36 lines

src/

linux_pci.c

50 lines

Diff 186715

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sys/compat/linuxkpi/common/include/linux/dma-mapping.h