518 			 const struct fsverity_enable_arg *arg)  in incfs_enable_verity()  argument
543 	if (arg->sig_size) {  in incfs_enable_verity()
544 		signature = memdup_user(u64_to_user_ptr(arg->sig_ptr),  in incfs_enable_verity()
545 					arg->sig_size);  in incfs_enable_verity()
554 					arg->sig_size, arg->hash_algorithm);  in incfs_enable_verity()
561 	err = incfs_end_enable_verity(filp, signature, arg->sig_size);  in incfs_enable_verity()
580 	struct fsverity_enable_arg arg;  in incfs_ioctl_enable_verity()  local
582 	if (copy_from_user(&arg, uarg, sizeof(arg)))  in incfs_ioctl_enable_verity()
585 	if (arg.version != 1)  in incfs_ioctl_enable_verity()
588 	if (arg.__reserved1 ||  in incfs_ioctl_enable_verity()
589 	    memchr_inv(arg.__reserved2, 0, sizeof(arg.__reserved2)))  in incfs_ioctl_enable_verity()
592 	if (arg.hash_algorithm != FS_VERITY_HASH_ALG_SHA256)  in incfs_ioctl_enable_verity()
595 	if (arg.block_size != PAGE_SIZE)  in incfs_ioctl_enable_verity()
598 	if (arg.salt_size)  in incfs_ioctl_enable_verity()
601 	if (arg.sig_size > FS_VERITY_MAX_SIGNATURE_SIZE)  in incfs_ioctl_enable_verity()
610 	return incfs_enable_verity(filp, &arg);  in incfs_ioctl_enable_verity()
714 	struct fsverity_digest arg;  in incfs_ioctl_measure_verity()  local
725 	if (get_user(arg.digest_size, &uarg->digest_size))  in incfs_ioctl_measure_verity()
727 	if (arg.digest_size < verity_file_digest.len)  in incfs_ioctl_measure_verity()
730 	memset(&arg, 0, sizeof(arg));  in incfs_ioctl_measure_verity()
731 	arg.digest_algorithm = FS_VERITY_HASH_ALG_SHA256;  in incfs_ioctl_measure_verity()
732 	arg.digest_size = verity_file_digest.len;  in incfs_ioctl_measure_verity()
734 	if (copy_to_user(uarg, &arg, sizeof(arg)))  in incfs_ioctl_measure_verity()
822 	struct fsverity_read_metadata_arg arg;  in incfs_ioctl_read_verity_metadata()  local
826 	if (copy_from_user(&arg, uarg, sizeof(arg)))  in incfs_ioctl_read_verity_metadata()
829 	if (arg.__reserved)  in incfs_ioctl_read_verity_metadata()
833 	if (arg.offset + arg.length < arg.offset)  in incfs_ioctl_read_verity_metadata()
837 	length = min_t(u64, arg.length, INT_MAX);  in incfs_ioctl_read_verity_metadata()
839 	buf = u64_to_user_ptr(arg.buf_ptr);  in incfs_ioctl_read_verity_metadata()
841 	switch (arg.metadata_type) {  in incfs_ioctl_read_verity_metadata()
843 		return incfs_read_merkle_tree(filp, buf, arg.offset, length);  in incfs_ioctl_read_verity_metadata()
845 		return incfs_read_descriptor(filp, buf, arg.offset, length);  in incfs_ioctl_read_verity_metadata()
847 		return incfs_read_signature(filp, buf, arg.offset, length);  in incfs_ioctl_read_verity_metadata()