diff options
Diffstat (limited to 'tools/testing/nvdimm/dax-dev.c')
| -rw-r--r-- | tools/testing/nvdimm/dax-dev.c | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/tools/testing/nvdimm/dax-dev.c b/tools/testing/nvdimm/dax-dev.c index 7e5d979e73cb..fb342a8c98d3 100644 --- a/tools/testing/nvdimm/dax-dev.c +++ b/tools/testing/nvdimm/dax-dev.c @@ -9,12 +9,19 @@ 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; + int i; - addr = pgoff * PAGE_SIZE + res->start; - if (addr >= res->start && addr <= res->end) { - if (addr + size - 1 <= res->end) { + 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; @@ -23,9 +30,10 @@ phys_addr_t dax_pgoff_to_phys(struct dev_dax *dev_dax, pgoff_t pgoff, page = vmalloc_to_page((void *)addr); return PFN_PHYS(page_to_pfn(page)); - } else - return addr; + } + return addr; } + break; } return -1; } |