19 struct iova {  struct
85 	struct iova	anchor;		/* rbtree lookup anchor */
101 static inline unsigned long iova_size(struct iova *iova)  in iova_size()  argument
103 	return iova->pfn_hi - iova->pfn_lo + 1;  in iova_size()
116 static inline size_t iova_offset(struct iova_domain *iovad, dma_addr_t iova)  in iova_offset()  argument
118 	return iova & iova_mask(iovad);  in iova_offset()
126 static inline dma_addr_t iova_dma_addr(struct iova_domain *iovad, struct iova *iova)  in iova_dma_addr()  argument
128 	return (dma_addr_t)iova->pfn_lo << iova_shift(iovad);  in iova_dma_addr()
131 static inline unsigned long iova_pfn(struct iova_domain *iovad, dma_addr_t iova)  in iova_pfn()  argument
133 	return iova >> iova_shift(iovad);  in iova_pfn()
140 struct iova *alloc_iova_mem(void);
141 void free_iova_mem(struct iova *iova);
143 void __free_iova(struct iova_domain *iovad, struct iova *iova);
144 struct iova *alloc_iova(struct iova_domain *iovad, unsigned long size,
154 struct iova *reserve_iova(struct iova_domain *iovad, unsigned long pfn_lo,
162 struct iova *find_iova(struct iova_domain *iovad, unsigned long pfn);
164 struct iova *split_and_remove_iova(struct iova_domain *iovad,
165 	struct iova *iova, unsigned long pfn_lo, unsigned long pfn_hi);
178 static inline struct iova *alloc_iova_mem(void)  in alloc_iova_mem()
183 static inline void free_iova_mem(struct iova *iova)  in free_iova_mem()  argument
191 static inline void __free_iova(struct iova_domain *iovad, struct iova *iova)  in __free_iova()  argument
195 static inline struct iova *alloc_iova(struct iova_domain *iovad,  in alloc_iova()
223 static inline struct iova *reserve_iova(struct iova_domain *iovad,  in reserve_iova()
253 static inline struct iova *find_iova(struct iova_domain *iovad,  in find_iova()
263 static inline struct iova *split_and_remove_iova(struct iova_domain *iovad,  in split_and_remove_iova()
264 						 struct iova *iova,  in split_and_remove_iova()  argument