dma.c File Reference

#include <metal/errno.h>
#include <string.h>
#include <metal/device.h>
#include <metal/log.h>
#include <metal/dma.h>
#include <metal/atomic.h>

Functions
int	metal_dma_map (struct metal_device *dev, uint32_t dir, struct metal_sg *sg_in, int nents_in, struct metal_sg *sg_out)
	Map memory for DMA transaction. More...
void	metal_dma_unmap (struct metal_device *dev, uint32_t dir, struct metal_sg *sg, int nents)
	Unmap DMA memory After the memory is DMA unmapped, the memory should be accessed by the CPU but not the DMA device. More...