dma-mapping: move the PCI P2PDMA mapping helpers to pci-p2pdma.h

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To support the upcoming non-scatterlist mapping helpers, we need to go
back to have them called outside of the DMA API.  Thus move them out of
dma-map-ops.h, which is only for DMA API implementations to pci-p2pdma.h,
which is for driver use.

Note that the core helper is still not exported as the mapping is
expected to be done only by very highlevel subsystem code at least for
now.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Logan Gunthorpe <logang@deltatee.com>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Tested-by: Jens Axboe <axboe@kernel.dk>
Reviewed-by: Luis Chamberlain <mcgrof@kernel.org>
Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>

...

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Christoph Hellwig 2025-05-05 10:01:39 +03:00 • committed by Marek Szyprowski

parent a25e7962db

commit ca2c2e4a78

4 changed files with 87 additions and 85 deletions

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1

drivers/iommu/dma-iommu.c

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85

include/linux/dma-map-ops.h

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85

include/linux/pci-p2pdma.h

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1

kernel/dma/direct.c

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