DMA_BUF_MAP_ATTACHME - Online Linux Manual Page

Section : 9
Updated : June 2018
Source : Kernel Hackers Manual 2​.6​.
Note : Device drivers infrastructure
NAMEdma_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​.
SYNOPSISstruct sg_table * dma_buf_map_attachment(struct dma_buf_attachment * attach, enum dma_data_direction direction);
ARGUMENTSattach [in] attachment whose scatterlist is to be returned direction [in] direction of DMA transfer
DESCRIPTIONReturns sg_table containing the scatterlist to be returned; returns ERR_PTR on error​.
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