1DMA_BUF_MAP_ATTACHME(9) Device drivers infrastructure DMA_BUF_MAP_ATTACHME(9)
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6 dma_buf_map_attachment - Returns the scatterlist table of the
7 attachment; mapped into _device_ address space. Is a wrapper for
8 map_dma_buf of the dma_buf_ops.
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11 struct sg_table *
12 dma_buf_map_attachment(struct dma_buf_attachment * attach,
13 enum dma_data_direction direction);
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16 attach
17 [in] attachment whose scatterlist is to be returned
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19 direction
20 [in] direction of DMA transfer
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23 Returns sg_table containing the scatterlist to be returned; returns
24 ERR_PTR on error.
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27Kernel Hackers Manual 2.6. June 2019 DMA_BUF_MAP_ATTACHME(9)