dma-attrs.h File Reference

#include <linux/bitmap.h>
#include <linux/bitops.h>
#include <linux/bug.h>

Go to the source code of this file.

Data Structures
struct	dma_attrs

Macros
#define	__DMA_ATTRS_LONGS   BITS_TO_LONGS(DMA_ATTR_MAX)
#define	DEFINE_DMA_ATTRS(x)

Enumerations
enum	dma_attr {   DMA_ATTR_WRITE_BARRIER, DMA_ATTR_WEAK_ORDERING, DMA_ATTR_WRITE_COMBINE, DMA_ATTR_NON_CONSISTENT,   DMA_ATTR_NO_KERNEL_MAPPING, DMA_ATTR_SKIP_CPU_SYNC, DMA_ATTR_MAX }

Macro Definition Documentation

#define __DMA_ATTRS_LONGS   BITS_TO_LONGS(DMA_ATTR_MAX)

Definition at line 23 of file dma-attrs.h.

#define DEFINE_DMA_ATTRS

(

x

)

Value:

struct dma_attrs x = {                  \
        .flags = { [0 ... __DMA_ATTRS_LONGS-1] = 0 },   \
    }

Definition at line 33 of file dma-attrs.h.

Enumeration Type Documentation

enum dma_attr

an enum dma_attr represents an attribute associated with a DMA mapping. The semantics of each attribute should be defined in Documentation/DMA-attributes.txt.

Enumerator:

DMA_ATTR_WRITE_BARRIER
DMA_ATTR_WEAK_ORDERING
DMA_ATTR_WRITE_COMBINE
DMA_ATTR_NON_CONSISTENT
DMA_ATTR_NO_KERNEL_MAPPING
DMA_ATTR_SKIP_CPU_SYNC
DMA_ATTR_MAX

Definition at line 13 of file dma-attrs.h.