164 static inline struct page *hmm_pfn_to_page(const struct hmm_range *range,  in hmm_pfn_to_page()  argument
167 	if (pfn == range->values[HMM_PFN_NONE])  in hmm_pfn_to_page()
169 	if (pfn == range->values[HMM_PFN_ERROR])  in hmm_pfn_to_page()
171 	if (pfn == range->values[HMM_PFN_SPECIAL])  in hmm_pfn_to_page()
173 	if (!(pfn & range->flags[HMM_PFN_VALID]))  in hmm_pfn_to_page()
175 	return pfn_to_page(pfn >> range->pfn_shift);  in hmm_pfn_to_page()
184 static inline unsigned long hmm_pfn_to_pfn(const struct hmm_range *range,  in hmm_pfn_to_pfn()  argument
187 	if (pfn == range->values[HMM_PFN_NONE])  in hmm_pfn_to_pfn()
189 	if (pfn == range->values[HMM_PFN_ERROR])  in hmm_pfn_to_pfn()
191 	if (pfn == range->values[HMM_PFN_SPECIAL])  in hmm_pfn_to_pfn()
193 	if (!(pfn & range->flags[HMM_PFN_VALID]))  in hmm_pfn_to_pfn()
195 	return (pfn >> range->pfn_shift);  in hmm_pfn_to_pfn()
204 static inline uint64_t hmm_pfn_from_page(const struct hmm_range *range,  in hmm_pfn_from_page()  argument
207 	return (page_to_pfn(page) << range->pfn_shift) |  in hmm_pfn_from_page()
208 		range->flags[HMM_PFN_VALID];  in hmm_pfn_from_page()
217 static inline uint64_t hmm_pfn_from_pfn(const struct hmm_range *range,  in hmm_pfn_from_pfn()  argument
220 	return (pfn << range->pfn_shift) |  in hmm_pfn_from_pfn()
221 		range->flags[HMM_PFN_VALID];  in hmm_pfn_from_pfn()
356 int hmm_vma_get_pfns(struct hmm_range *range);
357 bool hmm_vma_range_done(struct hmm_range *range);
378 int hmm_vma_fault(struct hmm_range *range, bool block);