4535 		struct dk_gpt *vtoc;  in read_efi_label()  local
4537 		if ((err = efi_alloc_and_read(fd, &vtoc)) >= 0) {  in read_efi_label()
4538 			for (slice = 0; slice < vtoc->efi_nparts; slice++) {  in read_efi_label()
4539 				if (vtoc->efi_parts[slice].p_tag == V_SYSTEM)  in read_efi_label()
4541 				if (vtoc->efi_parts[slice].p_tag == V_USR)  in read_efi_label()
4544 			if (sb != NULL && vtoc->efi_parts[slice].p_tag == V_USR)  in read_efi_label()
4545 				*sb = vtoc->efi_parts[slice].p_start;  in read_efi_label()
4548 			efi_free(vtoc);  in read_efi_label()
4597 	struct dk_gpt *vtoc;  in zpool_label_disk()  local
4637 	if (efi_alloc_and_init(fd, EFI_NUMPAR, &vtoc) != 0) {  in zpool_label_disk()
4651 	resv = efi_reserved_sectors(vtoc);  in zpool_label_disk()
4675 		if (boot_size % vtoc->efi_lbasize != 0) {  in zpool_label_disk()
4678 			    vtoc->efi_lbasize);  in zpool_label_disk()
4680 			efi_free(vtoc);  in zpool_label_disk()
4697 			efi_free(vtoc);  in zpool_label_disk()
4702 		    ((vtoc->efi_lbasize == 512 &&  in zpool_label_disk()
4704 		    (vtoc->efi_lbasize == 4096 &&  in zpool_label_disk()
4714 		start_block += boot_size / vtoc->efi_lbasize;  in zpool_label_disk()
4722 		slice_size = vtoc->efi_last_u_lba + 1;  in zpool_label_disk()
4728 		vtoc->efi_parts[0].p_start = start_block;  in zpool_label_disk()
4729 		vtoc->efi_parts[0].p_size = slice_size;  in zpool_label_disk()
4731 		vtoc->efi_parts[0].p_tag = V_USR;  in zpool_label_disk()
4732 		(void) strcpy(vtoc->efi_parts[0].p_name, "zfs");  in zpool_label_disk()
4734 		vtoc->efi_parts[8].p_start = slice_size + start_block;  in zpool_label_disk()
4735 		vtoc->efi_parts[8].p_size = resv;  in zpool_label_disk()
4736 		vtoc->efi_parts[8].p_tag = V_RESERVED;  in zpool_label_disk()
4739 		vtoc->efi_parts[0].p_start = NEW_START_BLOCK;  in zpool_label_disk()
4740 		vtoc->efi_parts[0].p_size = slice_size;  in zpool_label_disk()
4741 		vtoc->efi_parts[0].p_tag = V_SYSTEM;  in zpool_label_disk()
4742 		(void) strcpy(vtoc->efi_parts[0].p_name, "loader");  in zpool_label_disk()
4746 		slice_size = vtoc->efi_last_u_lba + 1 - slice_size;  in zpool_label_disk()
4749 		vtoc->efi_parts[1].p_start = start_block;  in zpool_label_disk()
4750 		vtoc->efi_parts[1].p_size = slice_size;  in zpool_label_disk()
4751 		vtoc->efi_parts[1].p_tag = V_USR;  in zpool_label_disk()
4752 		(void) strcpy(vtoc->efi_parts[1].p_name, "zfs");  in zpool_label_disk()
4754 		vtoc->efi_parts[8].p_start = slice_size + start_block;  in zpool_label_disk()
4755 		vtoc->efi_parts[8].p_size = resv;  in zpool_label_disk()
4756 		vtoc->efi_parts[8].p_tag = V_RESERVED;  in zpool_label_disk()
4759 	if (efi_write(fd, vtoc) != 0) {  in zpool_label_disk()
4767 		efi_free(vtoc);  in zpool_label_disk()
4775 	efi_free(vtoc);  in zpool_label_disk()