19 struct iova {  struct
85 	struct iova	anchor;		/* rbtree lookup anchor */
100 static inline unsigned long iova_size(struct iova *iova)  in iova_size()  argument
102 	return iova->pfn_hi - iova->pfn_lo + 1;  in iova_size()
115 static inline size_t iova_offset(struct iova_domain *iovad, dma_addr_t iova)  in iova_offset()  argument
117 	return iova & iova_mask(iovad);  in iova_offset()
125 static inline dma_addr_t iova_dma_addr(struct iova_domain *iovad, struct iova *iova)  in iova_dma_addr()  argument
127 	return (dma_addr_t)iova->pfn_lo << iova_shift(iovad);  in iova_dma_addr()
130 static inline unsigned long iova_pfn(struct iova_domain *iovad, dma_addr_t iova)  in iova_pfn()  argument
132 	return iova >> iova_shift(iovad);  in iova_pfn()
139 struct iova *alloc_iova_mem(void);
140 void free_iova_mem(struct iova *iova);
142 void __free_iova(struct iova_domain *iovad, struct iova *iova);
143 struct iova *alloc_iova(struct iova_domain *iovad, unsigned long size,
153 struct iova *reserve_iova(struct iova_domain *iovad, unsigned long pfn_lo,
161 struct iova *find_iova(struct iova_domain *iovad, unsigned long pfn);
163 struct iova *split_and_remove_iova(struct iova_domain *iovad,
164 	struct iova *iova, unsigned long pfn_lo, unsigned long pfn_hi);
176 static inline struct iova *alloc_iova_mem(void)  in alloc_iova_mem()
181 static inline void free_iova_mem(struct iova *iova)  in free_iova_mem()  argument
189 static inline void __free_iova(struct iova_domain *iovad, struct iova *iova)  in __free_iova()  argument
193 static inline struct iova *alloc_iova(struct iova_domain *iovad,  in alloc_iova()
221 static inline struct iova *reserve_iova(struct iova_domain *iovad,  in reserve_iova()
251 static inline struct iova *find_iova(struct iova_domain *iovad,  in find_iova()
261 static inline struct iova *split_and_remove_iova(struct iova_domain *iovad,  in split_and_remove_iova()
262 						 struct iova *iova,  in split_and_remove_iova()  argument