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Miller" , Nicolas Ferre , Alexandre Belloni , Claudiu Beznea Cc: Zixun LI , linux-crypto@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v2] crypto: atmel - add CRYPTO_ALG_KERN_DRIVER_ONLY flag to atmel-aes, atmel-sha, atmel-tdes drivers Date: Mon, 7 Apr 2025 12:20:49 +0200 Message-ID: <20250407102050.1747860-1-admin@hifiphile.com> X-Mailer: git-send-email 2.49.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" This patch introduces the CRYPTO_ALG_KERN_DRIVER_ONLY flag to the atmel-aes, atmel-sha, and atmel-tdes drivers. This flag is set for hardware accelerated ciphers accessible through a kernel driver only, which is the case of these drivers. Signed-off-by: Zixun LI --- v2: fix indentaion --- drivers/crypto/atmel-aes.c | 5 +++-- drivers/crypto/atmel-sha.c | 6 ++++-- drivers/crypto/atmel-tdes.c | 2 +- 3 files changed, 8 insertions(+), 5 deletions(-) diff --git a/drivers/crypto/atmel-aes.c b/drivers/crypto/atmel-aes.c index f3cb73df941e..266e1d0aca3c 100644 --- a/drivers/crypto/atmel-aes.c +++ b/drivers/crypto/atmel-aes.c @@ -1948,7 +1948,8 @@ static struct skcipher_alg aes_xts_alg =3D { .base.cra_driver_name =3D "atmel-xts-aes", .base.cra_blocksize =3D AES_BLOCK_SIZE, .base.cra_ctxsize =3D sizeof(struct atmel_aes_xts_ctx), - .base.cra_flags =3D CRYPTO_ALG_NEED_FALLBACK, + .base.cra_flags =3D CRYPTO_ALG_NEED_FALLBACK | + CRYPTO_ALG_KERN_DRIVER_ONLY, .min_keysize =3D 2 * AES_MIN_KEY_SIZE, .max_keysize =3D 2 * AES_MAX_KEY_SIZE, @@ -2471,7 +2472,7 @@ static void atmel_aes_unregister_algs(struct atmel_ae= s_dev *dd) static void atmel_aes_crypto_alg_init(struct crypto_alg *alg) { - alg->cra_flags |=3D CRYPTO_ALG_ASYNC; + alg->cra_flags |=3D CRYPTO_ALG_ASYNC | CRYPTO_ALG_KERN_DRIVER_ONLY; alg->cra_alignmask =3D 0xf; alg->cra_priority =3D ATMEL_AES_PRIORITY; alg->cra_module =3D THIS_MODULE; diff --git a/drivers/crypto/atmel-sha.c b/drivers/crypto/atmel-sha.c index 095ba254a25c..b4e917a8465e 100644 --- a/drivers/crypto/atmel-sha.c +++ b/drivers/crypto/atmel-sha.c @@ -1254,7 +1254,8 @@ static int atmel_sha_cra_init(struct crypto_tfm *tfm) static void atmel_sha_alg_init(struct ahash_alg *alg) { alg->halg.base.cra_priority =3D ATMEL_SHA_PRIORITY; - alg->halg.base.cra_flags =3D CRYPTO_ALG_ASYNC; + alg->halg.base.cra_flags =3D CRYPTO_ALG_ASYNC | + CRYPTO_ALG_KERN_DRIVER_ONLY; alg->halg.base.cra_ctxsize =3D sizeof(struct atmel_sha_ctx); alg->halg.base.cra_module =3D THIS_MODULE; alg->halg.base.cra_init =3D atmel_sha_cra_init; @@ -2043,7 +2044,8 @@ static void atmel_sha_hmac_cra_exit(struct crypto_tfm= *tfm) static void atmel_sha_hmac_alg_init(struct ahash_alg *alg) { alg->halg.base.cra_priority =3D ATMEL_SHA_PRIORITY; - alg->halg.base.cra_flags =3D CRYPTO_ALG_ASYNC; + alg->halg.base.cra_flags =3D CRYPTO_ALG_ASYNC | + CRYPTO_ALG_KERN_DRIVER_ONLY; alg->halg.base.cra_ctxsize =3D sizeof(struct atmel_sha_hmac_ctx); alg->halg.base.cra_module =3D THIS_MODULE; alg->halg.base.cra_init =3D atmel_sha_hmac_cra_init; diff --git a/drivers/crypto/atmel-tdes.c b/drivers/crypto/atmel-tdes.c index 099b32a10dd7..96fc19cd62a2 100644 --- a/drivers/crypto/atmel-tdes.c +++ b/drivers/crypto/atmel-tdes.c @@ -898,7 +898,7 @@ static int atmel_tdes_init_tfm(struct crypto_skcipher *= tfm) static void atmel_tdes_skcipher_alg_init(struct skcipher_alg *alg) { alg->base.cra_priority =3D ATMEL_TDES_PRIORITY; - alg->base.cra_flags =3D CRYPTO_ALG_ASYNC; + alg->base.cra_flags =3D CRYPTO_ALG_ASYNC | CRYPTO_ALG_KERN_DRIVER_ONLY; alg->base.cra_ctxsize =3D sizeof(struct atmel_tdes_ctx); alg->base.cra_module =3D THIS_MODULE; -- 2.49.0