mirror of
https://github.com/torvalds/linux
synced 2024-09-19 18:46:35 +00:00
944c67dff7
These dispatch to either PCI or SBUS routines based upon the device bus type. This will allow us to let SBUS drivers call these routines. Signed-off-by: David S. Miller <davem@davemloft.net>
61 lines
2.4 KiB
C
61 lines
2.4 KiB
C
#ifndef _ASM_SPARC_DMA_MAPPING_H
|
|
#define _ASM_SPARC_DMA_MAPPING_H
|
|
|
|
#include <linux/types.h>
|
|
|
|
struct device;
|
|
struct scatterlist;
|
|
struct page;
|
|
|
|
#define DMA_ERROR_CODE (~(dma_addr_t)0x0)
|
|
|
|
extern int dma_supported(struct device *dev, u64 mask);
|
|
extern int dma_set_mask(struct device *dev, u64 dma_mask);
|
|
extern void *dma_alloc_coherent(struct device *dev, size_t size,
|
|
dma_addr_t *dma_handle, gfp_t flag);
|
|
extern void dma_free_coherent(struct device *dev, size_t size,
|
|
void *cpu_addr, dma_addr_t dma_handle);
|
|
extern dma_addr_t dma_map_single(struct device *dev, void *cpu_addr,
|
|
size_t size,
|
|
enum dma_data_direction direction);
|
|
extern void dma_unmap_single(struct device *dev, dma_addr_t dma_addr,
|
|
size_t size,
|
|
enum dma_data_direction direction);
|
|
extern dma_addr_t dma_map_page(struct device *dev, struct page *page,
|
|
unsigned long offset, size_t size,
|
|
enum dma_data_direction direction);
|
|
extern void dma_unmap_page(struct device *dev, dma_addr_t dma_address,
|
|
size_t size, enum dma_data_direction direction);
|
|
extern int dma_map_sg(struct device *dev, struct scatterlist *sg,
|
|
int nents, enum dma_data_direction direction);
|
|
extern void dma_unmap_sg(struct device *dev, struct scatterlist *sg,
|
|
int nents, enum dma_data_direction direction);
|
|
extern void dma_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle,
|
|
size_t size,
|
|
enum dma_data_direction direction);
|
|
extern void dma_sync_single_for_device(struct device *dev,
|
|
dma_addr_t dma_handle,
|
|
size_t size,
|
|
enum dma_data_direction direction);
|
|
extern 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);
|
|
extern void dma_sync_single_range_for_device(struct device *dev,
|
|
dma_addr_t dma_handle,
|
|
unsigned long offset, size_t size,
|
|
enum dma_data_direction direction);
|
|
extern void dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg,
|
|
int nelems, enum dma_data_direction direction);
|
|
extern void dma_sync_sg_for_device(struct device *dev,
|
|
struct scatterlist *sg, int nelems,
|
|
enum dma_data_direction direction);
|
|
extern int dma_mapping_error(struct device *dev, dma_addr_t dma_addr);
|
|
extern int dma_get_cache_alignment(void);
|
|
|
|
#define dma_alloc_noncoherent dma_alloc_coherent
|
|
#define dma_free_noncoherent dma_free_coherent
|
|
|
|
#endif /* _ASM_SPARC_DMA_MAPPING_H */
|