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swiotlb.h

#ifndef ASM_IA64__SWIOTLB_H
#define ASM_IA64__SWIOTLB_H

#include <linux/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

#endif /* ASM_IA64__SWIOTLB_H */

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