dma_buf_map_attachment
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Name

dma_buf_map_attachment — Returns the scatterlist table of the attachment; mapped into _device_ address space. Is a wrapper for map_dma_buf of the dma_buf_ops.

Synopsis

struct sg_table * dma_buf_map_attachment (struct dma_buf_attachment * attach,
 enum dma_data_direction direction);
 

Arguments

attach

[in] attachment whose scatterlist is to be returned

direction

[in] direction of DMA transfer

Description

Returns sg_table containing the scatterlist to be returned; returns ERR_PTR on error.

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