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-rw-r--r--include/linux/swiotlb.h12
1 files changed, 10 insertions, 2 deletions
diff --git a/include/linux/swiotlb.h b/include/linux/swiotlb.h
index 24ed817082ee..5b1f2a00491c 100644
--- a/include/linux/swiotlb.h
+++ b/include/linux/swiotlb.h
@@ -66,6 +66,12 @@ extern void swiotlb_tbl_sync_single(struct device *hwdev,
66 enum dma_sync_target target); 66 enum dma_sync_target target);
67 67
68/* Accessory functions. */ 68/* Accessory functions. */
69
70void *swiotlb_alloc(struct device *hwdev, size_t size, dma_addr_t *dma_handle,
71 gfp_t flags, unsigned long attrs);
72void swiotlb_free(struct device *dev, size_t size, void *vaddr,
73 dma_addr_t dma_addr, unsigned long attrs);
74
69extern void 75extern void
70*swiotlb_alloc_coherent(struct device *hwdev, size_t size, 76*swiotlb_alloc_coherent(struct device *hwdev, size_t size,
71 dma_addr_t *dma_handle, gfp_t flags); 77 dma_addr_t *dma_handle, gfp_t flags);
@@ -115,10 +121,10 @@ extern int
115swiotlb_dma_supported(struct device *hwdev, u64 mask); 121swiotlb_dma_supported(struct device *hwdev, u64 mask);
116 122
117#ifdef CONFIG_SWIOTLB 123#ifdef CONFIG_SWIOTLB
118extern void __init swiotlb_free(void); 124extern void __init swiotlb_exit(void);
119unsigned int swiotlb_max_segment(void); 125unsigned int swiotlb_max_segment(void);
120#else 126#else
121static inline void swiotlb_free(void) { } 127static inline void swiotlb_exit(void) { }
122static inline unsigned int swiotlb_max_segment(void) { return 0; } 128static inline unsigned int swiotlb_max_segment(void) { return 0; }
123#endif 129#endif
124 130
@@ -126,4 +132,6 @@ extern void swiotlb_print_info(void);
126extern int is_swiotlb_buffer(phys_addr_t paddr); 132extern int is_swiotlb_buffer(phys_addr_t paddr);
127extern void swiotlb_set_max_segment(unsigned int); 133extern void swiotlb_set_max_segment(unsigned int);
128 134
135extern const struct dma_map_ops swiotlb_dma_ops;
136
129#endif /* __LINUX_SWIOTLB_H */ 137#endif /* __LINUX_SWIOTLB_H */