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DMA_BUF_MAP_ATTACHME(9) | Device drivers infrastructure | DMA_BUF_MAP_ATTACHME(9) |
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.COPYRIGHT¶
January 2017 | Kernel Hackers Manual 4.8. |