// 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){	struct resource *res = &dev_dax->region->res;	phys_addr_t addr; 	addr = pgoff * PAGE_SIZE + res->start;	if (addr >= res->start && addr <= res->end) {		if (addr + size - 1 <= res->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));			} else				return addr;		}	}	return -1;}