// 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; }