dma_mapping Struct Reference

A DMA mapping. More...

#include <dma.h>

Data Fields
physaddr_t	offset
	Address offset. More...
struct dma_device *	dma
	DMA device (if unmapping is required) More...
void *	token
	Platform mapping token. More...

Detailed Description

A DMA mapping.

Definition at line 32 of file dma.h.

Field Documentation

offset

physaddr_t dma_mapping::offset

Address offset.

This is the value that must be added to a physical address within the mapping in order to produce the corresponding device-side DMA address.

Definition at line 39 of file dma.h.

Referenced by efipci_dma_map(), and efipci_dma_unmap().

dma

struct dma_device* dma_mapping::dma

DMA device (if unmapping is required)

Definition at line 41 of file dma.h.

Referenced by dma_mapped(), dma_op_free(), dma_op_ufree(), dma_op_unmap(), efipci_dma_map(), and efipci_dma_unmap().

token

void* dma_mapping::token

Platform mapping token.

Definition at line 43 of file dma.h.

Referenced by efipci_dma_map(), and efipci_dma_unmap().

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The documentation for this struct was generated from the following file:

• include/ipxe/dma.h