linux-stable/include/asm-x86/swiotlb.h
Thomas Gleixner 96a388de5d i386/x86_64: move headers to include/asm-x86
Move the headers to include/asm-x86 and fixup the
header install make rules

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2007-10-11 11:20:03 +02:00

56 lines
1.9 KiB
C

#ifndef _ASM_SWIOTLB_H
#define _ASM_SWIOTLB_H 1
#include <asm/dma-mapping.h>
/* SWIOTLB interface */
extern dma_addr_t swiotlb_map_single(struct device *hwdev, void *ptr,
size_t size, int dir);
extern void *swiotlb_alloc_coherent(struct device *hwdev, size_t size,
dma_addr_t *dma_handle, gfp_t flags);
extern void swiotlb_unmap_single(struct device *hwdev, dma_addr_t dev_addr,
size_t size, int dir);
extern void swiotlb_sync_single_for_cpu(struct device *hwdev,
dma_addr_t dev_addr,
size_t size, int dir);
extern void swiotlb_sync_single_for_device(struct device *hwdev,
dma_addr_t dev_addr,
size_t size, int dir);
extern void swiotlb_sync_single_range_for_cpu(struct device *hwdev,
dma_addr_t dev_addr,
unsigned long offset,
size_t size, int dir);
extern void swiotlb_sync_single_range_for_device(struct device *hwdev,
dma_addr_t dev_addr,
unsigned long offset,
size_t size, int dir);
extern void swiotlb_sync_sg_for_cpu(struct device *hwdev,
struct scatterlist *sg, int nelems,
int dir);
extern void swiotlb_sync_sg_for_device(struct device *hwdev,
struct scatterlist *sg, int nelems,
int dir);
extern int swiotlb_map_sg(struct device *hwdev, struct scatterlist *sg,
int nents, int direction);
extern void swiotlb_unmap_sg(struct device *hwdev, struct scatterlist *sg,
int nents, int direction);
extern int swiotlb_dma_mapping_error(dma_addr_t dma_addr);
extern void swiotlb_free_coherent (struct device *hwdev, size_t size,
void *vaddr, dma_addr_t dma_handle);
extern int swiotlb_dma_supported(struct device *hwdev, u64 mask);
extern void swiotlb_init(void);
extern int swiotlb_force;
#ifdef CONFIG_SWIOTLB
extern int swiotlb;
#else
#define swiotlb 0
#endif
extern void pci_swiotlb_init(void);
static inline void dma_mark_clean(void *addr, size_t size) {}
#endif /* _ASM_SWIOTLB_H */