// 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; }