drivers/firmware/stratix10-rsu.c

118 	struct stratix10_rsu_priv *priv = client->priv;
122 		priv->status.version = FIELD_GET(RSU_VERSION_MASK,
124 		priv->status.state = FIELD_GET(RSU_STATE_MASK, res->a2);
125 		priv->status.fail_image = res->a1;
126 		priv->status.current_image = res->a0;
127 		priv->status.error_location =
129 		priv->status.error_details =
134 		priv->status.version = 0;
135 		priv->status.state = 0;
136 		priv->status.fail_image = 0;
137 		priv->status.current_image = 0;
138 		priv->status.error_location = 0;
139 		priv->status.error_details = 0;
142 	complete(&priv->completion);
155 	struct stratix10_rsu_priv *priv = client->priv;
163 	complete(&priv->completion);
179 	struct stratix10_rsu_priv *priv = client->priv;
183 		priv->retry_counter = *counter;
190 	complete(&priv->completion);
204 	struct stratix10_rsu_priv *priv = client->priv;
208 		priv->max_retry = *max_retry;
215 	complete(&priv->completion);
229 	struct stratix10_rsu_priv *priv = client->priv;
234 		priv->dcmf_version.dcmf0 = FIELD_GET(RSU_DCMF0_MASK, *value1);
235 		priv->dcmf_version.dcmf1 = FIELD_GET(RSU_DCMF1_MASK, *value1);
236 		priv->dcmf_version.dcmf2 = FIELD_GET(RSU_DCMF2_MASK, *value2);
237 		priv->dcmf_version.dcmf3 = FIELD_GET(RSU_DCMF3_MASK, *value2);
241 	complete(&priv->completion);
255 	struct stratix10_rsu_priv *priv = client->priv;
259 		priv->dcmf_status.dcmf0 = FIELD_GET(RSU_DCMF0_STATUS_MASK,
261 		priv->dcmf_status.dcmf1 = FIELD_GET(RSU_DCMF1_STATUS_MASK,
263 		priv->dcmf_status.dcmf2 = FIELD_GET(RSU_DCMF2_STATUS_MASK,
265 		priv->dcmf_status.dcmf3 = FIELD_GET(RSU_DCMF3_STATUS_MASK,
270 	complete(&priv->completion);
276 	struct stratix10_rsu_priv *priv = client->priv;
284 	priv->spt0_address = priv->get_spt_response_buf[0];
285 	priv->spt0_address <<= 32;
286 	priv->spt0_address |= priv->get_spt_response_buf[1];
288 	priv->spt1_address = priv->get_spt_response_buf[2];
289 	priv->spt1_address <<= 32;
290 	priv->spt1_address |= priv->get_spt_response_buf[3];
298 	stratix10_svc_free_memory(priv->chan, priv->get_spt_response_buf);
299 	priv->get_spt_response_buf = NULL;
300 	complete(&priv->completion);
305  * @priv: pointer to rsu private data
316 static int rsu_send_msg(struct stratix10_rsu_priv *priv,
324 	mutex_lock(&priv->lock);
325 	reinit_completion(&priv->completion);
326 	priv->client.receive_cb = callback;
336 		msg.payload_output = priv->get_spt_response_buf;
340 	ret = stratix10_svc_send(priv->chan, &msg);
344 	ret = wait_for_completion_interruptible_timeout(&priv->completion,
347 		dev_err(priv->client.dev,
352 		dev_err(priv->client.dev,
360 	stratix10_svc_done(priv->chan);
361 	mutex_unlock(&priv->lock);
375 	struct stratix10_rsu_priv *priv = dev_get_drvdata(dev);
377 	if (!priv)
380 	return sprintf(buf, "0x%08lx\n", priv->status.current_image);
386 	struct stratix10_rsu_priv *priv = dev_get_drvdata(dev);
388 	if (!priv)
391 	return sprintf(buf, "0x%08lx\n", priv->status.fail_image);
397 	struct stratix10_rsu_priv *priv = dev_get_drvdata(dev);
399 	if (!priv)
402 	return sprintf(buf, "0x%08x\n", priv->status.version);
408 	struct stratix10_rsu_priv *priv = dev_get_drvdata(dev);
410 	if (!priv)
413 	return sprintf(buf, "0x%08x\n", priv->status.state);
419 	struct stratix10_rsu_priv *priv = dev_get_drvdata(dev);
421 	if (!priv)
424 	return sprintf(buf, "0x%08x\n", priv->status.error_location);
430 	struct stratix10_rsu_priv *priv = dev_get_drvdata(dev);
432 	if (!priv)
435 	return sprintf(buf, "0x%08x\n", priv->status.error_details);
441 	struct stratix10_rsu_priv *priv = dev_get_drvdata(dev);
443 	if (!priv)
446 	return sprintf(buf, "0x%08x\n", priv->retry_counter);
452 	struct stratix10_rsu_priv *priv = dev_get_drvdata(dev);
454 	if (!priv)
457 	return scnprintf(buf, sizeof(priv->max_retry),
458 			 "0x%08x\n", priv->max_retry);
464 	struct stratix10_rsu_priv *priv = dev_get_drvdata(dev);
466 	if (!priv)
469 	return sprintf(buf, "0x%08x\n", priv->dcmf_version.dcmf0);
475 	struct stratix10_rsu_priv *priv = dev_get_drvdata(dev);
477 	if (!priv)
480 	return sprintf(buf, "0x%08x\n", priv->dcmf_version.dcmf1);
486 	struct stratix10_rsu_priv *priv = dev_get_drvdata(dev);
488 	if (!priv)
491 	return sprintf(buf, "0x%08x\n", priv->dcmf_version.dcmf2);
497 	struct stratix10_rsu_priv *priv = dev_get_drvdata(dev);
499 	if (!priv)
502 	return sprintf(buf, "0x%08x\n", priv->dcmf_version.dcmf3);
508 	struct stratix10_rsu_priv *priv = dev_get_drvdata(dev);
510 	if (!priv)
513 	if (priv->dcmf_status.dcmf0 == INVALID_DCMF_STATUS)
516 	return sprintf(buf, "0x%08x\n", priv->dcmf_status.dcmf0);
522 	struct stratix10_rsu_priv *priv = dev_get_drvdata(dev);
524 	if (!priv)
527 	if (priv->dcmf_status.dcmf1 == INVALID_DCMF_STATUS)
530 	return sprintf(buf, "0x%08x\n", priv->dcmf_status.dcmf1);
536 	struct stratix10_rsu_priv *priv = dev_get_drvdata(dev);
538 	if (!priv)
541 	if (priv->dcmf_status.dcmf2 == INVALID_DCMF_STATUS)
544 	return sprintf(buf, "0x%08x\n", priv->dcmf_status.dcmf2);
550 	struct stratix10_rsu_priv *priv = dev_get_drvdata(dev);
552 	if (!priv)
555 	if (priv->dcmf_status.dcmf3 == INVALID_DCMF_STATUS)
558 	return sprintf(buf, "0x%08x\n", priv->dcmf_status.dcmf3);
564 	struct stratix10_rsu_priv *priv = dev_get_drvdata(dev);
568 	if (!priv)
575 	ret = rsu_send_msg(priv, COMMAND_RSU_UPDATE,
589 	struct stratix10_rsu_priv *priv = dev_get_drvdata(dev);
593 	if (!priv)
600 	ret = rsu_send_msg(priv, COMMAND_RSU_NOTIFY,
608 	ret = rsu_send_msg(priv, COMMAND_RSU_STATUS,
615 	ret = rsu_send_msg(priv, COMMAND_RSU_RETRY, 0, rsu_retry_callback);
627 	struct stratix10_rsu_priv *priv = dev_get_drvdata(dev);
629 	if (!priv)
632 	if (priv->spt0_address == INVALID_SPT_ADDRESS)
635 	return scnprintf(buf, PAGE_SIZE, "0x%08lx\n", priv->spt0_address);
641 	struct stratix10_rsu_priv *priv = dev_get_drvdata(dev);
643 	if (!priv)
646 	if (priv->spt1_address == INVALID_SPT_ADDRESS)
649 	return scnprintf(buf, PAGE_SIZE, "0x%08lx\n", priv->spt1_address);
702 	struct stratix10_rsu_priv *priv;
705 	priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
706 	if (!priv)
709 	priv->client.dev = dev;
710 	priv->client.receive_cb = NULL;
711 	priv->client.priv = priv;
712 	priv->status.current_image = 0;
713 	priv->status.fail_image = 0;
714 	priv->status.error_location = 0;
715 	priv->status.error_details = 0;
716 	priv->status.version = 0;
717 	priv->status.state = 0;
718 	priv->retry_counter = INVALID_RETRY_COUNTER;
719 	priv->dcmf_version.dcmf0 = INVALID_DCMF_VERSION;
720 	priv->dcmf_version.dcmf1 = INVALID_DCMF_VERSION;
721 	priv->dcmf_version.dcmf2 = INVALID_DCMF_VERSION;
722 	priv->dcmf_version.dcmf3 = INVALID_DCMF_VERSION;
723 	priv->dcmf_status.dcmf0 = INVALID_DCMF_STATUS;
724 	priv->dcmf_status.dcmf1 = INVALID_DCMF_STATUS;
725 	priv->dcmf_status.dcmf2 = INVALID_DCMF_STATUS;
726 	priv->dcmf_status.dcmf3 = INVALID_DCMF_STATUS;
727 	priv->max_retry = INVALID_RETRY_COUNTER;
728 	priv->spt0_address = INVALID_SPT_ADDRESS;
729 	priv->spt1_address = INVALID_SPT_ADDRESS;
731 	mutex_init(&priv->lock);
732 	priv->chan = stratix10_svc_request_channel_byname(&priv->client,
734 	if (IS_ERR(priv->chan)) {
737 		return PTR_ERR(priv->chan);
740 	init_completion(&priv->completion);
741 	platform_set_drvdata(pdev, priv);
744 	ret = rsu_send_msg(priv, COMMAND_RSU_STATUS,
748 		stratix10_svc_free_channel(priv->chan);
752 	ret = rsu_send_msg(priv, COMMAND_RSU_DCMF_VERSION,
756 		stratix10_svc_free_channel(priv->chan);
759 	ret = rsu_send_msg(priv, COMMAND_RSU_DCMF_STATUS,
763 		stratix10_svc_free_channel(priv->chan);
766 	ret = rsu_send_msg(priv, COMMAND_RSU_RETRY, 0, rsu_retry_callback);
769 		stratix10_svc_free_channel(priv->chan);
772 	ret = rsu_send_msg(priv, COMMAND_RSU_MAX_RETRY, 0,
776 		stratix10_svc_free_channel(priv->chan);
779 	priv->get_spt_response_buf =
780 		stratix10_svc_allocate_memory(priv->chan, RSU_GET_SPT_RESP_LEN);
782 	if (IS_ERR(priv->get_spt_response_buf)) {
785 		ret = rsu_send_msg(priv, COMMAND_MBOX_SEND_CMD,
789 			stratix10_svc_free_channel(priv->chan);
798 	struct stratix10_rsu_priv *priv = platform_get_drvdata(pdev);
800 	stratix10_svc_free_channel(priv->chan);