101 static struct prng_data_s *prng_data;  variable
166 		ret = crypt_s390_kmc(KMC_PRNG, prng_data->prngws.parm_block,  in prng_tdes_add_entropy()
170 		memcpy(prng_data->prngws.parm_block, entropy, sizeof(entropy));  in prng_tdes_add_entropy()
186 		*((__u64 *)prng_data->prngws.parm_block) ^= *((__u64 *)(buf+i));  in prng_tdes_seed()
192 	prng_data->prngws.reseed_counter = 0;  in prng_tdes_seed()
206 	prng_data = kzalloc(datalen, GFP_KERNEL);  in prng_tdes_instantiate()
207 	if (!prng_data) {  in prng_tdes_instantiate()
211 	mutex_init(&prng_data->mutex);  in prng_tdes_instantiate()
212 	prng_data->buf = ((u8 *)prng_data) + sizeof(struct prng_data_s);  in prng_tdes_instantiate()
213 	memcpy(prng_data->prngws.parm_block, initial_parm_block, 32);  in prng_tdes_instantiate()
226 	kzfree(prng_data);  in prng_tdes_deinstantiate()
377 	prng_data = kzalloc(datalen, GFP_KERNEL);  in prng_sha512_instantiate()
378 	if (!prng_data) {  in prng_sha512_instantiate()
382 	mutex_init(&prng_data->mutex);  in prng_sha512_instantiate()
383 	prng_data->buf = ((u8 *)prng_data) + sizeof(struct prng_data_s);  in prng_sha512_instantiate()
399 			      &prng_data->ppnows, NULL, 0,  in prng_sha512_instantiate()
410 		prng_data->prev = prng_data->buf + prng_chunk_size;  in prng_sha512_instantiate()
412 				      &prng_data->ppnows,  in prng_sha512_instantiate()
413 				      prng_data->prev,  in prng_sha512_instantiate()
426 	kfree(prng_data);  in prng_sha512_instantiate()
434 	kzfree(prng_data);  in prng_sha512_deinstantiate()
450 			      &prng_data->ppnows, NULL, 0,  in prng_sha512_reseed()
466 	if (prng_data->ppnows.reseed_counter > prng_reseed_limit) {  in prng_sha512_generate()
474 			      &prng_data->ppnows, buf, nbytes,  in prng_sha512_generate()
483 		if (!memcmp(prng_data->prev, buf, nbytes)) {  in prng_sha512_generate()
487 		memcpy(prng_data->prev, buf, nbytes);  in prng_sha512_generate()
508 	if (mutex_lock_interruptible(&prng_data->mutex))  in prng_tdes_read()
519 			mutex_unlock(&prng_data->mutex);  in prng_tdes_read()
522 			if (mutex_lock_interruptible(&prng_data->mutex)) {  in prng_tdes_read()
538 		if (prng_data->prngws.reseed_counter > prng_reseed_limit)  in prng_tdes_read()
542 		*((unsigned long long *)prng_data->buf) = get_tod_clock_fast();  in prng_tdes_read()
557 		tmp = crypt_s390_kmc(KMC_PRNG, prng_data->prngws.parm_block,  in prng_tdes_read()
558 				     prng_data->buf, prng_data->buf, n);  in prng_tdes_read()
564 		prng_data->prngws.byte_counter += n;  in prng_tdes_read()
565 		prng_data->prngws.reseed_counter += n;  in prng_tdes_read()
567 		if (copy_to_user(ubuf, prng_data->buf, chunk))  in prng_tdes_read()
576 	mutex_unlock(&prng_data->mutex);  in prng_tdes_read()
593 	if (mutex_lock_interruptible(&prng_data->mutex))  in prng_sha512_read()
604 			mutex_unlock(&prng_data->mutex);  in prng_sha512_read()
607 			if (mutex_lock_interruptible(&prng_data->mutex)) {  in prng_sha512_read()
613 		if (prng_data->rest) {  in prng_sha512_read()
615 			p = prng_data->buf + prng_chunk_size - prng_data->rest;  in prng_sha512_read()
616 			n = (nbytes < prng_data->rest) ?  in prng_sha512_read()
617 				nbytes : prng_data->rest;  in prng_sha512_read()
618 			prng_data->rest -= n;  in prng_sha512_read()
621 			p = prng_data->buf;  in prng_sha512_read()
629 				prng_data->rest = prng_chunk_size - n;  in prng_sha512_read()
632 				prng_data->rest = 0;  in prng_sha512_read()
645 	mutex_unlock(&prng_data->mutex);  in prng_sha512_read()
696 	if (mutex_lock_interruptible(&prng_data->mutex))  in prng_counter_show()
699 		counter = prng_data->ppnows.stream_bytes;  in prng_counter_show()
701 		counter = prng_data->prngws.byte_counter;  in prng_counter_show()
702 	mutex_unlock(&prng_data->mutex);  in prng_counter_show()
734 	if (mutex_lock_interruptible(&prng_data->mutex))  in prng_reseed_store()
737 	mutex_unlock(&prng_data->mutex);  in prng_reseed_store()