104 static struct prng_data_s *prng_data;  variable
170 		cpacf_kmc(CPACF_KMC_PRNG, prng_data->prngws.parm_block,  in prng_tdes_add_entropy()
173 		memcpy(prng_data->prngws.parm_block, entropy, sizeof(entropy));  in prng_tdes_add_entropy()
189 		*((__u64 *)prng_data->prngws.parm_block) ^= *((__u64 *)(buf+i));  in prng_tdes_seed()
195 	prng_data->prngws.reseed_counter = 0;  in prng_tdes_seed()
209 	prng_data = kzalloc(datalen, GFP_KERNEL);  in prng_tdes_instantiate()
210 	if (!prng_data) {  in prng_tdes_instantiate()
214 	mutex_init(&prng_data->mutex);  in prng_tdes_instantiate()
215 	prng_data->buf = ((u8 *)prng_data) + sizeof(struct prng_data_s);  in prng_tdes_instantiate()
216 	memcpy(prng_data->prngws.parm_block, initial_parm_block, 32);  in prng_tdes_instantiate()
229 	kzfree(prng_data);  in prng_tdes_deinstantiate()
358 	prng_data = kzalloc(datalen, GFP_KERNEL);  in prng_sha512_instantiate()
359 	if (!prng_data) {  in prng_sha512_instantiate()
363 	mutex_init(&prng_data->mutex);  in prng_sha512_instantiate()
364 	prng_data->buf = ((u8 *)prng_data) + sizeof(struct prng_data_s);  in prng_sha512_instantiate()
380 		   &prng_data->prnows, NULL, 0, seed, sizeof(seed));  in prng_sha512_instantiate()
385 		prng_data->prev = prng_data->buf + prng_chunk_size;  in prng_sha512_instantiate()
387 			   &prng_data->prnows,  in prng_sha512_instantiate()
388 			   prng_data->prev, prng_chunk_size, NULL, 0);  in prng_sha512_instantiate()
394 	kfree(prng_data);  in prng_sha512_instantiate()
402 	kzfree(prng_data);  in prng_sha512_deinstantiate()
418 		   &prng_data->prnows, NULL, 0, seed, sizeof(seed));  in prng_sha512_reseed()
429 	if (prng_data->prnows.reseed_counter > prng_reseed_limit) {  in prng_sha512_generate()
437 		   &prng_data->prnows, buf, nbytes, NULL, 0);  in prng_sha512_generate()
441 		if (!memcmp(prng_data->prev, buf, nbytes)) {  in prng_sha512_generate()
445 		memcpy(prng_data->prev, buf, nbytes);  in prng_sha512_generate()
466 	if (mutex_lock_interruptible(&prng_data->mutex))  in prng_tdes_read()
477 			mutex_unlock(&prng_data->mutex);  in prng_tdes_read()
480 			if (mutex_lock_interruptible(&prng_data->mutex)) {  in prng_tdes_read()
496 		if (prng_data->prngws.reseed_counter > prng_reseed_limit)  in prng_tdes_read()
500 		*((unsigned long long *)prng_data->buf) = get_tod_clock_fast();  in prng_tdes_read()
515 		cpacf_kmc(CPACF_KMC_PRNG, prng_data->prngws.parm_block,  in prng_tdes_read()
516 			  prng_data->buf, prng_data->buf, n);  in prng_tdes_read()
518 		prng_data->prngws.byte_counter += n;  in prng_tdes_read()
519 		prng_data->prngws.reseed_counter += n;  in prng_tdes_read()
521 		if (copy_to_user(ubuf, prng_data->buf, chunk)) {  in prng_tdes_read()
532 	mutex_unlock(&prng_data->mutex);  in prng_tdes_read()
549 	if (mutex_lock_interruptible(&prng_data->mutex))  in prng_sha512_read()
560 			mutex_unlock(&prng_data->mutex);  in prng_sha512_read()
563 			if (mutex_lock_interruptible(&prng_data->mutex)) {  in prng_sha512_read()
569 		if (prng_data->rest) {  in prng_sha512_read()
571 			p = prng_data->buf + prng_chunk_size - prng_data->rest;  in prng_sha512_read()
572 			n = (nbytes < prng_data->rest) ?  in prng_sha512_read()
573 				nbytes : prng_data->rest;  in prng_sha512_read()
574 			prng_data->rest -= n;  in prng_sha512_read()
577 			p = prng_data->buf;  in prng_sha512_read()
585 				prng_data->rest = prng_chunk_size - n;  in prng_sha512_read()
588 				prng_data->rest = 0;  in prng_sha512_read()
601 	mutex_unlock(&prng_data->mutex);  in prng_sha512_read()
654 	if (mutex_lock_interruptible(&prng_data->mutex))  in prng_counter_show()
657 		counter = prng_data->prnows.stream_bytes;  in prng_counter_show()
659 		counter = prng_data->prngws.byte_counter;  in prng_counter_show()
660 	mutex_unlock(&prng_data->mutex);  in prng_counter_show()
692 	if (mutex_lock_interruptible(&prng_data->mutex))  in prng_reseed_store()
695 	mutex_unlock(&prng_data->mutex);  in prng_reseed_store()