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; may return NULL or ERR_PTR.
COPYRIGHT
Kernel Hackers Manual 3.10 June 2014 DMA_BUF_MAP_ATTACHME(9)
