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root/include/asm-x86/swiotlb.h

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INCLUDED FROM


DEFINITIONS

This source file includes following definitions.
  1. pci_swiotlb_init
  2. dma_mark_clean

#ifndef ASM_X86__SWIOTLB_H
#define ASM_X86__SWIOTLB_H

#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(struct device *hwdev, 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;
extern void pci_swiotlb_init(void);
#else
#define swiotlb 0
static inline void pci_swiotlb_init(void)
{
}
#endif

static inline void dma_mark_clean(void *addr, size_t size) {}

#endif /* ASM_X86__SWIOTLB_H */

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