linux-kernel - [PATCH v2 9/9] crypto: virtio: Add ecb aes algo support

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Message-Id: <20251204112612.2659650-1-maobibo@loongson.cn>
Date: Thu,  4 Dec 2025 19:26:11 +0800
From: Bibo Mao <maobibo@...ngson.cn>
To: Gonglei <arei.gonglei@...wei.com>,
	"Michael S. Tsirkin" <mst@...hat.com>,
	Jason Wang <jasowang@...hat.com>,
	Xuan Zhuo <xuanzhuo@...ux.alibaba.com>,
	Eugenio Pérez <eperezma@...hat.com>,
	Herbert Xu <herbert@...dor.apana.org.au>,
	"David S. Miller" <davem@...emloft.net>
Cc: virtualization@...ts.linux.dev,
	linux-crypto@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH v2 9/9] crypto: virtio: Add ecb aes algo support

ECB AES also is added here, its ivsize is zero and name is different
compared with CBC AES algo.

Signed-off-by: Bibo Mao <maobibo@...ngson.cn>
---
 .../virtio/virtio_crypto_skcipher_algs.c      | 74 +++++++++++++------
 1 file changed, 50 insertions(+), 24 deletions(-)

diff --git a/drivers/crypto/virtio/virtio_crypto_skcipher_algs.c b/drivers/crypto/virtio/virtio_crypto_skcipher_algs.c
index b4b79121c37c..9b4ba6a6b9cf 100644
--- a/drivers/crypto/virtio/virtio_crypto_skcipher_algs.c
+++ b/drivers/crypto/virtio/virtio_crypto_skcipher_algs.c
@@ -559,31 +559,57 @@ static void virtio_crypto_skcipher_finalize_req(
 					   req, err);
 }
 
-static struct virtio_crypto_algo virtio_crypto_algs[] = { {
-	.algonum = VIRTIO_CRYPTO_CIPHER_AES_CBC,
-	.service = VIRTIO_CRYPTO_SERVICE_CIPHER,
-	.algo.base = {
-		.base.cra_name		= "cbc(aes)",
-		.base.cra_driver_name	= "virtio_crypto_aes_cbc",
-		.base.cra_priority	= 150,
-		.base.cra_flags		= CRYPTO_ALG_ASYNC |
-					  CRYPTO_ALG_ALLOCATES_MEMORY,
-		.base.cra_blocksize	= AES_BLOCK_SIZE,
-		.base.cra_ctxsize	= sizeof(struct virtio_crypto_skcipher_ctx),
-		.base.cra_module	= THIS_MODULE,
-		.init			= virtio_crypto_skcipher_init,
-		.exit			= virtio_crypto_skcipher_exit,
-		.setkey			= virtio_crypto_skcipher_setkey,
-		.decrypt		= virtio_crypto_skcipher_decrypt,
-		.encrypt		= virtio_crypto_skcipher_encrypt,
-		.min_keysize		= AES_MIN_KEY_SIZE,
-		.max_keysize		= AES_MAX_KEY_SIZE,
-		.ivsize			= AES_BLOCK_SIZE,
+static struct virtio_crypto_algo virtio_crypto_algs[] = {
+	{
+		.algonum = VIRTIO_CRYPTO_CIPHER_AES_CBC,
+		.service = VIRTIO_CRYPTO_SERVICE_CIPHER,
+		.algo.base = {
+			.base.cra_name		= "cbc(aes)",
+			.base.cra_driver_name	= "virtio_crypto_aes_cbc",
+			.base.cra_priority	= 150,
+			.base.cra_flags		= CRYPTO_ALG_ASYNC |
+				CRYPTO_ALG_ALLOCATES_MEMORY,
+			.base.cra_blocksize	= AES_BLOCK_SIZE,
+			.base.cra_ctxsize	= sizeof(struct virtio_crypto_skcipher_ctx),
+			.base.cra_module	= THIS_MODULE,
+			.init			= virtio_crypto_skcipher_init,
+			.exit			= virtio_crypto_skcipher_exit,
+			.setkey			= virtio_crypto_skcipher_setkey,
+			.decrypt		= virtio_crypto_skcipher_decrypt,
+			.encrypt		= virtio_crypto_skcipher_encrypt,
+			.min_keysize		= AES_MIN_KEY_SIZE,
+			.max_keysize		= AES_MAX_KEY_SIZE,
+			.ivsize			= AES_BLOCK_SIZE,
+		},
+		.algo.op = {
+			.do_one_request = virtio_crypto_skcipher_crypt_req,
+		},
 	},
-	.algo.op = {
-		.do_one_request = virtio_crypto_skcipher_crypt_req,
-	},
-} };
+	{
+		.algonum = VIRTIO_CRYPTO_CIPHER_AES_ECB,
+		.service = VIRTIO_CRYPTO_SERVICE_CIPHER,
+		.algo.base = {
+			.base.cra_name		= "ecb(aes)",
+			.base.cra_driver_name	= "virtio_crypto_aes_ecb",
+			.base.cra_priority	= 150,
+			.base.cra_flags		= CRYPTO_ALG_ASYNC |
+				CRYPTO_ALG_ALLOCATES_MEMORY,
+			.base.cra_blocksize	= AES_BLOCK_SIZE,
+			.base.cra_ctxsize	= sizeof(struct virtio_crypto_skcipher_ctx),
+			.base.cra_module	= THIS_MODULE,
+			.init			= virtio_crypto_skcipher_init,
+			.exit			= virtio_crypto_skcipher_exit,
+			.setkey			= virtio_crypto_skcipher_setkey,
+			.decrypt		= virtio_crypto_skcipher_decrypt,
+			.encrypt		= virtio_crypto_skcipher_encrypt,
+			.min_keysize		= AES_MIN_KEY_SIZE,
+			.max_keysize		= AES_MAX_KEY_SIZE,
+		},
+		.algo.op = {
+			.do_one_request = virtio_crypto_skcipher_crypt_req,
+		},
+	}
+};
 
 int virtio_crypto_skcipher_algs_register(struct virtio_crypto *vcrypto)
 {
-- 
2.39.3