125 				  u64 iova, u64 size)  in dma_region_check_iova()  argument
127 	if (!size && region->iova != iova)  in dma_region_check_iova()
130 	return (region->iova <= iova) &&  in dma_region_check_iova()
131 		(region->length + region->iova >= iova + size);  in dma_region_check_iova()
150 		(unsigned long long)region->iova);  in afu_dma_region_add()
161 		if (dma_region_check_iova(this, region->iova, region->length))  in afu_dma_region_add()
164 		if (region->iova < this->iova)  in afu_dma_region_add()
166 		else if (region->iova > this->iova)  in afu_dma_region_add()
191 		(unsigned long long)region->iova);  in afu_dma_region_remove()
213 			(unsigned long long)region->iova);  in afu_dma_region_destroy()
217 		if (region->iova)  in afu_dma_region_destroy()
219 				       region->iova, region->length,  in afu_dma_region_destroy()
245 afu_dma_region_find(struct dfl_feature_platform_data *pdata, u64 iova, u64 size)  in afu_dma_region_find()  argument
256 		if (dma_region_check_iova(region, iova, size)) {  in afu_dma_region_find()
258 				(unsigned long long)region->iova);  in afu_dma_region_find()
262 		if (iova < region->iova)  in afu_dma_region_find()
264 		else if (iova > region->iova)  in afu_dma_region_find()
272 		(unsigned long long)iova, (unsigned long long)size);  in afu_dma_region_find()
285 afu_dma_region_find_iova(struct dfl_feature_platform_data *pdata, u64 iova)  in afu_dma_region_find_iova()  argument
287 	return afu_dma_region_find(pdata, iova, 0);  in afu_dma_region_find_iova()
302 		       u64 user_addr, u64 length, u64 *iova)  in afu_dma_map_region()  argument
340 	region->iova = dma_map_page(dfl_fpga_pdata_to_parent(pdata),  in afu_dma_map_region()
344 	if (dma_mapping_error(dfl_fpga_pdata_to_parent(pdata), region->iova)) {  in afu_dma_map_region()
350 	*iova = region->iova;  in afu_dma_map_region()
364 		       region->iova, region->length, DMA_BIDIRECTIONAL);  in afu_dma_map_region()
380 int afu_dma_unmap_region(struct dfl_feature_platform_data *pdata, u64 iova)  in afu_dma_unmap_region()  argument
385 	region = afu_dma_region_find_iova(pdata, iova);  in afu_dma_unmap_region()
400 		       region->iova, region->length, DMA_BIDIRECTIONAL);  in afu_dma_unmap_region()