dma-mapping: prepare dma_map_ops to conversion to physical address

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Add new .map_phys() and .unmap_phys() callbacks to dma_map_ops as a
preparation to replace .map_page() and .unmap_page() respectively.

Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Link: https://lore.kernel.org/r/20251015-remove-map-page-v5-1-3bbfe3a25cdf@kernel.org

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Leon Romanovsky 2025-10-15 12:12:47 +03:00 • committed by Marek Szyprowski

parent f74ee32963

commit ed7fc3cbb3

3 changed files with 21 additions and 2 deletions

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7

include/linux/dma-map-ops.h

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4

kernel/dma/mapping.c

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12

kernel/dma/ops_helpers.c

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