102 static struct prng_data_s *prng_data;  variable
167 		ret = crypt_s390_kmc(KMC_PRNG, prng_data->prngws.parm_block,  in prng_tdes_add_entropy()
171 		memcpy(prng_data->prngws.parm_block, entropy, sizeof(entropy));  in prng_tdes_add_entropy()
187 		*((__u64 *)prng_data->prngws.parm_block) ^= *((__u64 *)(buf+i));  in prng_tdes_seed()
193 	prng_data->prngws.reseed_counter = 0;  in prng_tdes_seed()
207 	prng_data = kzalloc(datalen, GFP_KERNEL);  in prng_tdes_instantiate()
208 	if (!prng_data) {  in prng_tdes_instantiate()
212 	mutex_init(&prng_data->mutex);  in prng_tdes_instantiate()
213 	prng_data->buf = ((u8 *)prng_data) + sizeof(struct prng_data_s);  in prng_tdes_instantiate()
214 	memcpy(prng_data->prngws.parm_block, initial_parm_block, 32);  in prng_tdes_instantiate()
227 	kzfree(prng_data);  in prng_tdes_deinstantiate()
378 	prng_data = kzalloc(datalen, GFP_KERNEL);  in prng_sha512_instantiate()
379 	if (!prng_data) {  in prng_sha512_instantiate()
383 	mutex_init(&prng_data->mutex);  in prng_sha512_instantiate()
384 	prng_data->buf = ((u8 *)prng_data) + sizeof(struct prng_data_s);  in prng_sha512_instantiate()
400 			      &prng_data->ppnows, NULL, 0,  in prng_sha512_instantiate()
411 		prng_data->prev = prng_data->buf + prng_chunk_size;  in prng_sha512_instantiate()
413 				      &prng_data->ppnows,  in prng_sha512_instantiate()
414 				      prng_data->prev,  in prng_sha512_instantiate()
427 	kfree(prng_data);  in prng_sha512_instantiate()
435 	kzfree(prng_data);  in prng_sha512_deinstantiate()
451 			      &prng_data->ppnows, NULL, 0,  in prng_sha512_reseed()
467 	if (prng_data->ppnows.reseed_counter > prng_reseed_limit) {  in prng_sha512_generate()
475 			      &prng_data->ppnows, buf, nbytes,  in prng_sha512_generate()
484 		if (!memcmp(prng_data->prev, buf, nbytes)) {  in prng_sha512_generate()
488 		memcpy(prng_data->prev, buf, nbytes);  in prng_sha512_generate()
509 	if (mutex_lock_interruptible(&prng_data->mutex))  in prng_tdes_read()
520 			mutex_unlock(&prng_data->mutex);  in prng_tdes_read()
523 			if (mutex_lock_interruptible(&prng_data->mutex)) {  in prng_tdes_read()
539 		if (prng_data->prngws.reseed_counter > prng_reseed_limit)  in prng_tdes_read()
543 		*((unsigned long long *)prng_data->buf) = get_tod_clock_fast();  in prng_tdes_read()
558 		tmp = crypt_s390_kmc(KMC_PRNG, prng_data->prngws.parm_block,  in prng_tdes_read()
559 				     prng_data->buf, prng_data->buf, n);  in prng_tdes_read()
565 		prng_data->prngws.byte_counter += n;  in prng_tdes_read()
566 		prng_data->prngws.reseed_counter += n;  in prng_tdes_read()
568 		if (copy_to_user(ubuf, prng_data->buf, chunk))  in prng_tdes_read()
577 	mutex_unlock(&prng_data->mutex);  in prng_tdes_read()
594 	if (mutex_lock_interruptible(&prng_data->mutex))  in prng_sha512_read()
605 			mutex_unlock(&prng_data->mutex);  in prng_sha512_read()
608 			if (mutex_lock_interruptible(&prng_data->mutex)) {  in prng_sha512_read()
614 		if (prng_data->rest) {  in prng_sha512_read()
616 			p = prng_data->buf + prng_chunk_size - prng_data->rest;  in prng_sha512_read()
617 			n = (nbytes < prng_data->rest) ?  in prng_sha512_read()
618 				nbytes : prng_data->rest;  in prng_sha512_read()
619 			prng_data->rest -= n;  in prng_sha512_read()
622 			p = prng_data->buf;  in prng_sha512_read()
630 				prng_data->rest = prng_chunk_size - n;  in prng_sha512_read()
633 				prng_data->rest = 0;  in prng_sha512_read()
646 	mutex_unlock(&prng_data->mutex);  in prng_sha512_read()
697 	if (mutex_lock_interruptible(&prng_data->mutex))  in prng_counter_show()
700 		counter = prng_data->ppnows.stream_bytes;  in prng_counter_show()
702 		counter = prng_data->prngws.byte_counter;  in prng_counter_show()
703 	mutex_unlock(&prng_data->mutex);  in prng_counter_show()
735 	if (mutex_lock_interruptible(&prng_data->mutex))  in prng_reseed_store()
738 	mutex_unlock(&prng_data->mutex);  in prng_reseed_store()