105 static struct prng_data_s *prng_data;  variable
193 		cpacf_kmc(CPACF_KMC_PRNG, prng_data->prngws.parm_block,  in prng_tdes_add_entropy()
196 		memcpy(prng_data->prngws.parm_block, entropy, sizeof(entropy));  in prng_tdes_add_entropy()
212 		*((__u64 *)prng_data->prngws.parm_block) ^= *((__u64 *)(buf+i));  in prng_tdes_seed()
218 	prng_data->prngws.reseed_counter = 0;  in prng_tdes_seed()
232 	prng_data = kzalloc(datalen, GFP_KERNEL);  in prng_tdes_instantiate()
233 	if (!prng_data) {  in prng_tdes_instantiate()
237 	mutex_init(&prng_data->mutex);  in prng_tdes_instantiate()
238 	prng_data->buf = ((u8 *)prng_data) + sizeof(struct prng_data_s);  in prng_tdes_instantiate()
239 	memcpy(prng_data->prngws.parm_block, initial_parm_block, 32);  in prng_tdes_instantiate()
252 	kfree_sensitive(prng_data);  in prng_tdes_deinstantiate()
381 	prng_data = kzalloc(datalen, GFP_KERNEL);  in prng_sha512_instantiate()
382 	if (!prng_data) {  in prng_sha512_instantiate()
386 	mutex_init(&prng_data->mutex);  in prng_sha512_instantiate()
387 	prng_data->buf = ((u8 *)prng_data) + sizeof(struct prng_data_s);  in prng_sha512_instantiate()
422 		   &prng_data->prnows, NULL, 0, seed, seedlen);  in prng_sha512_instantiate()
428 		prng_data->prev = prng_data->buf + prng_chunk_size;  in prng_sha512_instantiate()
430 			   &prng_data->prnows,  in prng_sha512_instantiate()
431 			   prng_data->prev, prng_chunk_size, NULL, 0);  in prng_sha512_instantiate()
437 	kfree(prng_data);  in prng_sha512_instantiate()
445 	kfree_sensitive(prng_data);  in prng_sha512_deinstantiate()
469 		   &prng_data->prnows, NULL, 0, seed, seedlen);  in prng_sha512_reseed()
481 	if (prng_data->prnows.reseed_counter > prng_reseed_limit) {  in prng_sha512_generate()
489 		   &prng_data->prnows, buf, nbytes, NULL, 0);  in prng_sha512_generate()
493 		if (!memcmp(prng_data->prev, buf, nbytes)) {  in prng_sha512_generate()
497 		memcpy(prng_data->prev, buf, nbytes);  in prng_sha512_generate()
518 	if (mutex_lock_interruptible(&prng_data->mutex))  in prng_tdes_read()
529 			mutex_unlock(&prng_data->mutex);  in prng_tdes_read()
532 			if (mutex_lock_interruptible(&prng_data->mutex)) {  in prng_tdes_read()
548 		if (prng_data->prngws.reseed_counter > prng_reseed_limit)  in prng_tdes_read()
552 		*((unsigned long long *)prng_data->buf) = get_tod_clock_fast();  in prng_tdes_read()
567 		cpacf_kmc(CPACF_KMC_PRNG, prng_data->prngws.parm_block,  in prng_tdes_read()
568 			  prng_data->buf, prng_data->buf, n);  in prng_tdes_read()
570 		prng_data->prngws.byte_counter += n;  in prng_tdes_read()
571 		prng_data->prngws.reseed_counter += n;  in prng_tdes_read()
573 		if (copy_to_user(ubuf, prng_data->buf, chunk)) {  in prng_tdes_read()
584 	mutex_unlock(&prng_data->mutex);  in prng_tdes_read()
601 	if (mutex_lock_interruptible(&prng_data->mutex))  in prng_sha512_read()
612 			mutex_unlock(&prng_data->mutex);  in prng_sha512_read()
615 			if (mutex_lock_interruptible(&prng_data->mutex)) {  in prng_sha512_read()
621 		if (prng_data->rest) {  in prng_sha512_read()
623 			p = prng_data->buf + prng_chunk_size - prng_data->rest;  in prng_sha512_read()
624 			n = (nbytes < prng_data->rest) ?  in prng_sha512_read()
625 				nbytes : prng_data->rest;  in prng_sha512_read()
626 			prng_data->rest -= n;  in prng_sha512_read()
629 			p = prng_data->buf;  in prng_sha512_read()
637 				prng_data->rest = prng_chunk_size - n;  in prng_sha512_read()
640 				prng_data->rest = 0;  in prng_sha512_read()
654 	mutex_unlock(&prng_data->mutex);  in prng_sha512_read()
693 	if (mutex_lock_interruptible(&prng_data->mutex))  in prng_counter_show()
696 		counter = prng_data->prnows.stream_bytes;  in prng_counter_show()
698 		counter = prng_data->prngws.byte_counter;  in prng_counter_show()
699 	mutex_unlock(&prng_data->mutex);  in prng_counter_show()
731 	if (mutex_lock_interruptible(&prng_data->mutex))  in prng_reseed_store()
734 	mutex_unlock(&prng_data->mutex);  in prng_reseed_store()