Book a Demo!
CoCalc Logo Icon
StoreFeaturesDocsShareSupportNewsAboutPoliciesSign UpSign In
awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/arch/alpha/include/asm/dma-mapping.h
15126 views
1
#ifndef _ALPHA_DMA_MAPPING_H

2
#define _ALPHA_DMA_MAPPING_H

3


4
#include <linux/dma-attrs.h>

5


6
extern struct dma_map_ops *dma_ops;

7


8
static inline struct dma_map_ops *get_dma_ops(struct device *dev)

9
{

10
	return dma_ops;

11
}

12


13
#include <asm-generic/dma-mapping-common.h>

14


15
static inline void *dma_alloc_coherent(struct device *dev, size_t size,

16
				       dma_addr_t *dma_handle, gfp_t gfp)

17
{

18
	return get_dma_ops(dev)->alloc_coherent(dev, size, dma_handle, gfp);

19
}

20


21
static inline void dma_free_coherent(struct device *dev, size_t size,

22
				     void *vaddr, dma_addr_t dma_handle)

23
{

24
	get_dma_ops(dev)->free_coherent(dev, size, vaddr, dma_handle);

25
}

26


27
static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr)

28
{

29
	return get_dma_ops(dev)->mapping_error(dev, dma_addr);

30
}

31


32
static inline int dma_supported(struct device *dev, u64 mask)

33
{

34
	return get_dma_ops(dev)->dma_supported(dev, mask);

35
}

36


37
static inline int dma_set_mask(struct device *dev, u64 mask)

38
{

39
	return get_dma_ops(dev)->set_dma_mask(dev, mask);

40
}

41


42
#define dma_alloc_noncoherent(d, s, h, f)	dma_alloc_coherent(d, s, h, f)

43
#define dma_free_noncoherent(d, s, v, h)	dma_free_coherent(d, s, v, h)

44


45
#define dma_cache_sync(dev, va, size, dir)		  ((void)0)

46


47
#endif	/* _ALPHA_DMA_MAPPING_H */

48


49