204 		struct nd_pfn_sb *pfn_sb = nd_pfn->pfn_sb;  in resource_show()  local
205 		u64 offset = __le64_to_cpu(pfn_sb->dataoff);  in resource_show()
207 		u32 start_pad = __le32_to_cpu(pfn_sb->start_pad);  in resource_show()
230 		struct nd_pfn_sb *pfn_sb = nd_pfn->pfn_sb;  in size_show()  local
231 		u64 offset = __le64_to_cpu(pfn_sb->dataoff);  in size_show()
233 		u32 start_pad = __le32_to_cpu(pfn_sb->start_pad);  in size_show()
234 		u32 end_trunc = __le32_to_cpu(pfn_sb->end_trunc);  in size_show()
367 	struct nd_pfn_sb *pfn_sb = nd_pfn->pfn_sb;  in nd_pfn_clear_memmap_errors()  local
376 	meta_start = (SZ_4K + sizeof(*pfn_sb)) >> 9;  in nd_pfn_clear_memmap_errors()
377 	meta_num = (le64_to_cpu(pfn_sb->dataoff) >> 9) - meta_start;  in nd_pfn_clear_memmap_errors()
384 	rc = devm_namespace_enable(&nd_pfn->dev, ndns, le64_to_cpu(pfn_sb->dataoff));  in nd_pfn_clear_memmap_errors()
455 	struct nd_pfn_sb *pfn_sb = nd_pfn->pfn_sb;  in nd_pfn_validate()  local
459 	if (!pfn_sb || !ndns)  in nd_pfn_validate()
465 	if (nvdimm_read_bytes(ndns, SZ_4K, pfn_sb, sizeof(*pfn_sb), 0))  in nd_pfn_validate()
468 	if (memcmp(pfn_sb->signature, sig, PFN_SIG_LEN) != 0)  in nd_pfn_validate()
471 	checksum = le64_to_cpu(pfn_sb->checksum);  in nd_pfn_validate()
472 	pfn_sb->checksum = 0;  in nd_pfn_validate()
473 	if (checksum != nd_sb_checksum((struct nd_gen_sb *) pfn_sb))  in nd_pfn_validate()
475 	pfn_sb->checksum = cpu_to_le64(checksum);  in nd_pfn_validate()
477 	if (memcmp(pfn_sb->parent_uuid, parent_uuid, 16) != 0)  in nd_pfn_validate()
480 	if (__le16_to_cpu(pfn_sb->version_minor) < 1) {  in nd_pfn_validate()
481 		pfn_sb->start_pad = 0;  in nd_pfn_validate()
482 		pfn_sb->end_trunc = 0;  in nd_pfn_validate()
485 	if (__le16_to_cpu(pfn_sb->version_minor) < 2)  in nd_pfn_validate()
486 		pfn_sb->align = 0;  in nd_pfn_validate()
488 	if (__le16_to_cpu(pfn_sb->version_minor) < 4) {  in nd_pfn_validate()
489 		pfn_sb->page_struct_size = cpu_to_le16(64);  in nd_pfn_validate()
490 		pfn_sb->page_size = cpu_to_le32(PAGE_SIZE);  in nd_pfn_validate()
493 	switch (le32_to_cpu(pfn_sb->mode)) {  in nd_pfn_validate()
501 	align = le32_to_cpu(pfn_sb->align);  in nd_pfn_validate()
502 	offset = le64_to_cpu(pfn_sb->dataoff);  in nd_pfn_validate()
503 	start_pad = le32_to_cpu(pfn_sb->start_pad);  in nd_pfn_validate()
506 	mode = le32_to_cpu(pfn_sb->mode);  in nd_pfn_validate()
508 	if ((le32_to_cpu(pfn_sb->page_size) > PAGE_SIZE) &&  in nd_pfn_validate()
512 				le32_to_cpu(pfn_sb->page_size));  in nd_pfn_validate()
516 	if ((le16_to_cpu(pfn_sb->page_struct_size) < sizeof(struct page)) &&  in nd_pfn_validate()
520 				le16_to_cpu(pfn_sb->page_struct_size));  in nd_pfn_validate()
530 			!memcmp(pfn_sb->signature, DAX_SIG, PFN_SIG_LEN)) {  in nd_pfn_validate()
542 		nd_pfn->uuid = kmemdup(pfn_sb->uuid, 16, GFP_KERNEL);  in nd_pfn_validate()
552 		if (memcmp(nd_pfn->uuid, pfn_sb->uuid, 16) != 0)  in nd_pfn_validate()
599 	if (!IS_ALIGNED(res->start + le32_to_cpu(pfn_sb->start_pad),  in nd_pfn_validate()
605 	if (!IS_ALIGNED(res->end + 1 - le32_to_cpu(pfn_sb->end_trunc),  in nd_pfn_validate()
620 	struct nd_pfn_sb *pfn_sb;  in nd_pfn_probe()  local
640 	pfn_sb = devm_kmalloc(dev, sizeof(*pfn_sb), GFP_KERNEL);  in nd_pfn_probe()
642 	nd_pfn->pfn_sb = pfn_sb;  in nd_pfn_probe()
679 	struct nd_pfn_sb *pfn_sb = nd_pfn->pfn_sb;  in __nvdimm_setup_pfn()  local
680 	u64 offset = le64_to_cpu(pfn_sb->dataoff);  in __nvdimm_setup_pfn()
681 	u32 start_pad = __le32_to_cpu(pfn_sb->start_pad);  in __nvdimm_setup_pfn()
682 	u32 end_trunc = __le32_to_cpu(pfn_sb->end_trunc);  in __nvdimm_setup_pfn()
702 		nd_pfn->npfns = le64_to_cpu(pfn_sb->npfns);  in __nvdimm_setup_pfn()
705 		if (le64_to_cpu(nd_pfn->pfn_sb->npfns) > nd_pfn->npfns)  in __nvdimm_setup_pfn()
708 					le64_to_cpu(nd_pfn->pfn_sb->npfns),  in __nvdimm_setup_pfn()
728 	struct nd_pfn_sb *pfn_sb;  in nd_pfn_init()  local
734 	pfn_sb = devm_kmalloc(&nd_pfn->dev, sizeof(*pfn_sb), GFP_KERNEL);  in nd_pfn_init()
735 	if (!pfn_sb)  in nd_pfn_init()
738 	nd_pfn->pfn_sb = pfn_sb;  in nd_pfn_init()
751 	memset(pfn_sb, 0, sizeof(*pfn_sb));  in nd_pfn_init()
811 	pfn_sb->mode = cpu_to_le32(nd_pfn->mode);  in nd_pfn_init()
812 	pfn_sb->dataoff = cpu_to_le64(offset);  in nd_pfn_init()
813 	pfn_sb->npfns = cpu_to_le64(npfns);  in nd_pfn_init()
814 	memcpy(pfn_sb->signature, sig, PFN_SIG_LEN);  in nd_pfn_init()
815 	memcpy(pfn_sb->uuid, nd_pfn->uuid, 16);  in nd_pfn_init()
816 	memcpy(pfn_sb->parent_uuid, nd_dev_to_uuid(&ndns->dev), 16);  in nd_pfn_init()
817 	pfn_sb->version_major = cpu_to_le16(1);  in nd_pfn_init()
818 	pfn_sb->version_minor = cpu_to_le16(4);  in nd_pfn_init()
819 	pfn_sb->end_trunc = cpu_to_le32(end_trunc);  in nd_pfn_init()
820 	pfn_sb->align = cpu_to_le32(nd_pfn->align);  in nd_pfn_init()
821 	pfn_sb->page_struct_size = cpu_to_le16(MAX_STRUCT_PAGE_SIZE);  in nd_pfn_init()
822 	pfn_sb->page_size = cpu_to_le32(PAGE_SIZE);  in nd_pfn_init()
823 	checksum = nd_sb_checksum((struct nd_gen_sb *) pfn_sb);  in nd_pfn_init()
824 	pfn_sb->checksum = cpu_to_le64(checksum);  in nd_pfn_init()
830 	return nvdimm_write_bytes(ndns, SZ_4K, pfn_sb, sizeof(*pfn_sb), 0);  in nd_pfn_init()