File: dma-mapping.h

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#ifndef _ASM_LINUX_DMA_MAPPING_H
#define _ASM_LINUX_DMA_MAPPING_H

/* These definitions mirror those in pci.h, so they can be used
 * interchangeably with their PCI_ counterparts */
enum dma_data_direction {
	DMA_BIDIRECTIONAL = 0,
	DMA_TO_DEVICE = 1,
	DMA_FROM_DEVICE = 2,
	DMA_NONE = 3,
};

#define DMA_64BIT_MASK	0xffffffffffffffffULL
#define DMA_32BIT_MASK	0x00000000ffffffffULL

#include <asm/dma-mapping.h>

/* Backwards compat, remove in 2.7.x */
#define dma_sync_single		dma_sync_single_for_cpu
#define dma_sync_sg		dma_sync_sg_for_cpu

extern u64 dma_get_required_mask(struct device *dev);

#endif