27 lines
610 B
C
27 lines
610 B
C
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#ifndef _DMA_ATTR_H
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#define _DMA_ATTR_H
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#include <linux/bitmap.h>
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#include <linux/bitops.h>
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#include <linux/bug.h>
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#define DEFINE_DMA_ATTRS(attrs) unsigned long attrs = 0
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#define __DMA_ATTR(attrs) attrs
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typedef unsigned long dma_attr;
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/**
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* dma_set_attr - set a specific attribute
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* @attr: attribute to set
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* @attrs: struct dma_attrs (may be NULL)
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*/
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#define dma_set_attr(attr, attrs) (attrs |= attr)
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/**
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* dma_get_attr - check for a specific attribute
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* @attr: attribute to set
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* @attrs: struct dma_attrs (may be NULL)
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*/
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#define dma_get_attr(attr, attrs) (attrs & attr)
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#endif /* _DMA_ATTR_H */
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