// SPDX-License-Identifier: GPL-2.0-only/* * Copyright (c) 2016, Intel Corporation. */#include "test/nfit_test.h"#include <linux/mm.h>#include "../../../drivers/dax/dax-private.h" phys_addr_t dax_pgoff_to_phys(struct dev_dax *dev_dax, pgoff_t pgoff,		unsigned long size){	int i; 	for (i = 0; i < dev_dax->nr_range; i++) {		struct dev_dax_range *dax_range = &dev_dax->ranges[i];		struct range *range = &dax_range->range;		unsigned long long pgoff_end;		phys_addr_t addr; 		pgoff_end = dax_range->pgoff + PHYS_PFN(range_len(range)) - 1;		if (pgoff < dax_range->pgoff || pgoff > pgoff_end)			continue;		addr = PFN_PHYS(pgoff - dax_range->pgoff) + range->start;		if (addr + size - 1 <= range->end) {			if (get_nfit_res(addr)) {				struct page *page; 				if (dev_dax->region->align > PAGE_SIZE)					return -1; 				page = vmalloc_to_page((void *)addr);				return PFN_PHYS(page_to_pfn(page));			}			return addr;		}		break;	}	return -1;}