intel/keembay/keembay-ocs-aes-core.c

40  * @aes_dev:		The OCS AES device.
48 	struct ocs_aes_dev *aes_dev;
121 	struct ocs_aes_dev *aes_dev;
125 	if (tctx->aes_dev) {
126 		aes_dev = tctx->aes_dev;
131 	aes_dev = list_first_entry(&ocs_aes.dev_list, struct ocs_aes_dev, list);
132 	tctx->aes_dev = aes_dev;
137 	return aes_dev;
316 	struct ocs_aes_dev *aes_dev;
350 	aes_dev = kmb_ocs_aes_find_dev(tctx);
351 	if (!aes_dev)
361 	return crypto_transfer_skcipher_request_to_engine(aes_dev->engine, req);
379 	struct device *dev = tctx->aes_dev->dev;
424 	rctx->dst_dma_count = dma_map_sg(tctx->aes_dev->dev, req->dst,
427 		dev_err(tctx->aes_dev->dev, "Failed to map destination sg\n");
432 	rc = ocs_create_linked_list_from_sg(tctx->aes_dev, req->dst,
459 	rctx->src_dma_count = dma_map_sg(tctx->aes_dev->dev, req->src,
462 		dev_err(tctx->aes_dev->dev, "Failed to map source sg\n");
467 	rc = ocs_create_linked_list_from_sg(tctx->aes_dev, req->src,
474 	rctx->dst_dma_count = dma_map_sg(tctx->aes_dev->dev, req->dst,
477 		dev_err(tctx->aes_dev->dev, "Failed to map destination sg\n");
482 	rc = ocs_create_linked_list_from_sg(tctx->aes_dev, req->dst,
499 	rc = ocs_aes_bypass_op(tctx->aes_dev, rctx->dst_dll.dma_addr,
519 	struct ocs_aes_dev *aes_dev = tctx->aes_dev;
549 	rc = ocs_aes_op(aes_dev, rctx->mode, tctx->cipher, rctx->instruction,
686 	struct device *dev = tctx->aes_dev->dev;
790 	rctx->dst_dma_count = dma_map_sg(tctx->aes_dev->dev, req->dst,
795 		dev_err(tctx->aes_dev->dev, "Failed to map destination sg\n");
800 	rc = ocs_create_linked_list_from_sg(tctx->aes_dev, req->dst,
808 	rc = ocs_create_linked_list_from_sg(tctx->aes_dev, req->dst,
833 		rc = ocs_create_linked_list_from_sg(tctx->aes_dev, req->dst,
839 		rc = ocs_create_linked_list_from_sg(tctx->aes_dev, req->dst,
851 	rctx->src_dma_count = dma_map_sg(tctx->aes_dev->dev, req->src,
854 		dev_err(tctx->aes_dev->dev, "Failed to map source sg\n");
859 	rc = ocs_create_linked_list_from_sg(tctx->aes_dev, req->src,
867 	rc = ocs_create_linked_list_from_sg(tctx->aes_dev, req->src,
878 	rc = ocs_aes_bypass_op(tctx->aes_dev, rctx->aad_dst_dll.dma_addr,
881 		dev_err(tctx->aes_dev->dev,
901 		rc = ocs_aes_ccm_op(tctx->aes_dev, tctx->cipher,
910 	rc = ocs_aes_gcm_op(tctx->aes_dev, tctx->cipher,
954 	if (!tctx->aes_dev) {
959 	err = ocs_aes_set_key(tctx->aes_dev, tctx->key_len, tctx->key,
980 	if (!tctx->aes_dev)
983 	err = ocs_aes_set_key(tctx->aes_dev, tctx->key_len, tctx->key,
991 	crypto_finalize_aead_request(tctx->aes_dev->engine, req, err);
1178 	if (tctx->aes_dev)
1179 		ocs_aes_set_key(tctx->aes_dev, OCS_AES_KEYSIZE_256,
1532 static void unregister_aes_algs(struct ocs_aes_dev *aes_dev)
1538 static int register_aes_algs(struct ocs_aes_dev *aes_dev)
1567 	struct ocs_aes_dev *aes_dev;
1569 	aes_dev = platform_get_drvdata(pdev);
1571 	unregister_aes_algs(aes_dev);
1574 	list_del(&aes_dev->list);
1577 	crypto_engine_exit(aes_dev->engine);
1583 	struct ocs_aes_dev *aes_dev;
1586 	aes_dev = devm_kzalloc(dev, sizeof(*aes_dev), GFP_KERNEL);
1587 	if (!aes_dev)
1590 	aes_dev->dev = dev;
1592 	platform_set_drvdata(pdev, aes_dev);
1601 	aes_dev->base_reg = devm_platform_ioremap_resource(pdev, 0);
1602 	if (IS_ERR(aes_dev->base_reg))
1603 		return PTR_ERR(aes_dev->base_reg);
1606 	aes_dev->irq = platform_get_irq(pdev, 0);
1607 	if (aes_dev->irq < 0)
1608 		return aes_dev->irq;
1610 	rc = devm_request_threaded_irq(dev, aes_dev->irq, ocs_aes_irq_handler,
1611 				       NULL, 0, "keembay-ocs-aes", aes_dev);
1617 	INIT_LIST_HEAD(&aes_dev->list);
1619 	list_add_tail(&aes_dev->list, &ocs_aes.dev_list);
1622 	init_completion(&aes_dev->irq_completion);
1625 	aes_dev->engine = crypto_engine_alloc_init(dev, true);
1626 	if (!aes_dev->engine) {
1631 	rc = crypto_engine_start(aes_dev->engine);
1637 	rc = register_aes_algs(aes_dev);
1647 	crypto_engine_exit(aes_dev->engine);
1650 	list_del(&aes_dev->list);