41 static inline unsigned long iova_shift(struct iova_domain *iovad)  in iova_shift()  argument
43 	return __ffs(iovad->granule);  in iova_shift()
46 static inline unsigned long iova_mask(struct iova_domain *iovad)  in iova_mask()  argument
48 	return iovad->granule - 1;  in iova_mask()
51 static inline size_t iova_offset(struct iova_domain *iovad, dma_addr_t iova)  in iova_offset()  argument
53 	return iova & iova_mask(iovad);  in iova_offset()
56 static inline size_t iova_align(struct iova_domain *iovad, size_t size)  in iova_align()  argument
58 	return ALIGN(size, iovad->granule);  in iova_align()
61 static inline dma_addr_t iova_dma_addr(struct iova_domain *iovad, struct iova *iova)  in iova_dma_addr()  argument
63 	return (dma_addr_t)iova->pfn_lo << iova_shift(iovad);  in iova_dma_addr()
66 static inline unsigned long iova_pfn(struct iova_domain *iovad, dma_addr_t iova)  in iova_pfn()  argument
68 	return iova >> iova_shift(iovad);  in iova_pfn()
76 void free_iova(struct iova_domain *iovad, unsigned long pfn);
77 void __free_iova(struct iova_domain *iovad, struct iova *iova);
78 struct iova *alloc_iova(struct iova_domain *iovad, unsigned long size,
81 struct iova *reserve_iova(struct iova_domain *iovad, unsigned long pfn_lo,
84 void init_iova_domain(struct iova_domain *iovad, unsigned long granule,
86 struct iova *find_iova(struct iova_domain *iovad, unsigned long pfn);
87 void put_iova_domain(struct iova_domain *iovad);
88 struct iova *split_and_remove_iova(struct iova_domain *iovad,