dma-mapping-broken.h File Reference

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Macros
#define	dma_alloc_noncoherent(d, s, h, f)   dma_alloc_coherent(d, s, h, f)
#define	dma_free_noncoherent(d, s, v, h)   dma_free_coherent(d, s, v, h)
#define	dma_sync_single_for_device   dma_sync_single_for_cpu
#define	dma_sync_single_range_for_device   dma_sync_single_range_for_cpu
#define	dma_sync_sg_for_device   dma_sync_sg_for_cpu

Functions
void *	dma_alloc_coherent (struct device *dev, size_t size, dma_addr_t *dma_handle, gfp_t flag)
void	dma_free_coherent (struct device *dev, size_t size, void *cpu_addr, dma_addr_t dma_handle)
dma_addr_t	dma_map_single (struct device *dev, void *ptr, size_t size, enum dma_data_direction direction)
void	dma_unmap_single (struct device *dev, dma_addr_t dma_addr, size_t size, enum dma_data_direction direction)
int	dma_map_sg (struct device *dev, struct scatterlist *sg, int nents, enum dma_data_direction direction)
void	dma_unmap_sg (struct device *dev, struct scatterlist *sg, int nhwentries, enum dma_data_direction direction)
dma_addr_t	dma_map_page (struct device *dev, struct page *page, unsigned long offset, size_t size, enum dma_data_direction direction)
void	dma_unmap_page (struct device *dev, dma_addr_t dma_address, size_t size, enum dma_data_direction direction)
void	dma_sync_single_for_cpu (struct device *dev, dma_addr_t dma_handle, size_t size, enum dma_data_direction direction)
void	dma_sync_single_range_for_cpu (struct device *dev, dma_addr_t dma_handle, unsigned long offset, size_t size, enum dma_data_direction direction)
void	dma_sync_sg_for_cpu (struct device *dev, struct scatterlist *sg, int nelems, enum dma_data_direction direction)
int	dma_mapping_error (struct device *dev, dma_addr_t dma_addr)
int	dma_supported (struct device *dev, u64 mask)
int	dma_set_mask (struct device *dev, u64 mask)
int	dma_get_cache_alignment (void)
void	dma_cache_sync (struct device *dev, void *vaddr, size_t size, enum dma_data_direction direction)

Macro Definition Documentation

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

Definition at line 19 of file dma-mapping-broken.h.

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

Definition at line 20 of file dma-mapping-broken.h.

#define dma_sync_sg_for_device   dma_sync_sg_for_cpu

Definition at line 61 of file dma-mapping-broken.h.

#define dma_sync_single_for_device   dma_sync_single_for_cpu

Definition at line 59 of file dma-mapping-broken.h.

#define dma_sync_single_range_for_device   dma_sync_single_range_for_cpu

Definition at line 60 of file dma-mapping-broken.h.

Function Documentation

void* dma_alloc_coherent	(	struct device *	dev,
		size_t	size,
		dma_addr_t *	dma_handle,
		gfp_t	flag
	)

dma_alloc_coherent - allocate consistent memory for DMA : valid struct device pointer, or NULL for ISA and EISA-like devices : required memory size : bus-specific DMA address

Allocate some uncached, unbuffered memory for a device for performing DMA. This function allocates pages, and will return the CPU-viewed address, and sets to be the device-viewed address.

Definition at line 96 of file dma-coherent.c.

void dma_cache_sync	(	struct device *	dev,
		void *	vaddr,
		size_t	size,
		enum dma_data_direction	direction
	)

Definition at line 313 of file dma-default.c.

void dma_free_coherent	(	struct device *	dev,
		size_t	size,
		void *	cpu_addr,
		dma_addr_t	dma_handle
	)

dma_free_coherent - free memory allocated by dma_alloc_coherent : valid struct device pointer, or NULL for ISA and EISA-like devices : size of memory originally requested in dma_alloc_coherent : CPU-view address returned from dma_alloc_coherent : device-view address returned from dma_alloc_coherent

Free (and unmap) a DMA buffer previously allocated by dma_alloc_coherent().

References to memory and mappings associated with cpu_addr/handle during and after this call executing are illegal.

Definition at line 110 of file dma-coherent.c.

int dma_get_cache_alignment

(

void

)

dma_addr_t dma_map_page	(	struct device *	dev,
		struct page *	page,
		unsigned long	offset,
		size_t	size,
		enum dma_data_direction	direction
	)

Definition at line 138 of file pci-dma-nommu.c.

int dma_map_sg	(	struct device *	dev,
		struct scatterlist *	sg,
		int	nents,
		enum dma_data_direction	direction
	)

Definition at line 125 of file dma-mapping.c.

dma_addr_t dma_map_single	(	struct device *	dev,
		void *	ptr,
		size_t	size,
		enum dma_data_direction	direction
	)

Definition at line 39 of file dma.c.

int dma_mapping_error	(	struct device *	dev,
		dma_addr_t	dma_addr
	)

int dma_set_mask	(	struct device *	dev,
		u64	mask
	)

Definition at line 41 of file dma.c.

int dma_supported	(	struct device *	dev,
		u64	mask
	)

Definition at line 966 of file dma-mapping.c.

void dma_sync_sg_for_cpu	(	struct device *	dev,
		struct scatterlist *	sg,
		int	nelems,
		enum dma_data_direction	direction
	)

Definition at line 114 of file dma.c.

void dma_sync_single_for_cpu	(	struct device *	dev,
		dma_addr_t	dma_handle,
		size_t	size,
		enum dma_data_direction	direction
	)

Definition at line 94 of file dma.c.

void dma_sync_single_range_for_cpu	(	struct device *	dev,
		dma_addr_t	dma_handle,
		unsigned long	offset,
		size_t	size,
		enum dma_data_direction	direction
	)

void dma_unmap_page	(	struct device *	dev,
		dma_addr_t	dma_address,
		size_t	size,
		enum dma_data_direction	direction
	)

void dma_unmap_sg	(	struct device *	dev,
		struct scatterlist *	sg,
		int	nhwentries,
		enum dma_data_direction	direction
	)

Definition at line 81 of file dma.c.

void dma_unmap_single	(	struct device *	dev,
		dma_addr_t	dma_addr,
		size_t	size,
		enum dma_data_direction	direction
	)

Definition at line 54 of file dma.c.