linux/include/asm-um/dma-mapping.h
Al Viro 970a9e73f9 [PATCH] gfp_t: dma-mapping (simple cases)
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-28 08:16:49 -07:00

121 lines
2.2 KiB
C

#ifndef _ASM_DMA_MAPPING_H
#define _ASM_DMA_MAPPING_H
#include <asm/scatterlist.h>
static inline int
dma_supported(struct device *dev, u64 mask)
{
BUG();
return(0);
}
static inline int
dma_set_mask(struct device *dev, u64 dma_mask)
{
BUG();
return(0);
}
static inline void *
dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle,
gfp_t flag)
{
BUG();
return((void *) 0);
}
static inline void
dma_free_coherent(struct device *dev, size_t size, void *cpu_addr,
dma_addr_t dma_handle)
{
BUG();
}
static inline dma_addr_t
dma_map_single(struct device *dev, void *cpu_addr, size_t size,
enum dma_data_direction direction)
{
BUG();
return(0);
}
static inline void
dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size,
enum dma_data_direction direction)
{
BUG();
}
static inline dma_addr_t
dma_map_page(struct device *dev, struct page *page,
unsigned long offset, size_t size,
enum dma_data_direction direction)
{
BUG();
return(0);
}
static inline void
dma_unmap_page(struct device *dev, dma_addr_t dma_address, size_t size,
enum dma_data_direction direction)
{
BUG();
}
static inline int
dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
enum dma_data_direction direction)
{
BUG();
return(0);
}
static inline void
dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nhwentries,
enum dma_data_direction direction)
{
BUG();
}
static inline void
dma_sync_single(struct device *dev, dma_addr_t dma_handle, size_t size,
enum dma_data_direction direction)
{
BUG();
}
static inline void
dma_sync_sg(struct device *dev, struct scatterlist *sg, int nelems,
enum dma_data_direction direction)
{
BUG();
}
#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_is_consistent(d) (1)
static inline int
dma_get_cache_alignment(void)
{
BUG();
return(0);
}
static inline void
dma_sync_single_range(struct device *dev, dma_addr_t dma_handle,
unsigned long offset, size_t size,
enum dma_data_direction direction)
{
BUG();
}
static inline void
dma_cache_sync(void *vaddr, size_t size,
enum dma_data_direction direction)
{
BUG();
}
#endif