Linux cryptographic layer development
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From: Harald Freudenberger <freude@linux.ibm.com>
To: dengler@linux.ibm.com, fcallies@linux.ibm.com, ifranzki@linux.ibm.com
Cc: freude@linux.ibm.com, linux-s390@vger.kernel.org,
	Heiko Carstens <hca@linux.ibm.com>,
	Vasily Gorbik <gor@linux.ibm.com>,
	Alexander Gordeev <agordeev@linux.ibm.com>,
	linux-crypto@vger.kernel.org
Subject: [PATCH v2 4/6] s390/crypto: Fix missing cra_flags in paes_s390
Date: Mon, 17 Aug 2026 12:42:01 +0200	[thread overview]
Message-ID: <20260817104203.74033-5-freude@linux.ibm.com> (raw)
In-Reply-To: <20260817104203.74033-1-freude@linux.ibm.com>

The 4 algorithms implemented in paes_s390 never had any cra_flags
set. So add code which sets the cra_flag to CRYPTO_ALG_ASYNC and
CRYPTO_ALG_NO_FALLBACK.

Fixes: 4ccd065a69df ("crypto: ahash - Add support for drivers with no fallback")
Signed-off-by: Harald Freudenberger <freude@linux.ibm.com>
Cc: stable@vger.kernel.org # 6.17+
---
 arch/s390/crypto/paes_s390.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/s390/crypto/paes_s390.c b/arch/s390/crypto/paes_s390.c
index e8bbfc376ebb..03446bfac37f 100644
--- a/arch/s390/crypto/paes_s390.c
+++ b/arch/s390/crypto/paes_s390.c
@@ -579,6 +579,7 @@ static struct skcipher_engine_alg ecb_paes_alg = {
 		.base.cra_name	      = "ecb(paes)",
 		.base.cra_driver_name = "ecb-paes-s390",
 		.base.cra_priority    = 401,	/* combo: aes + ecb + 1 */
+		.base.cra_flags	      = CRYPTO_ALG_ASYNC | CRYPTO_ALG_NO_FALLBACK,
 		.base.cra_blocksize   = AES_BLOCK_SIZE,
 		.base.cra_ctxsize     = sizeof(struct s390_paes_ctx),
 		.base.cra_module      = THIS_MODULE,
@@ -847,6 +848,7 @@ static struct skcipher_engine_alg cbc_paes_alg = {
 		.base.cra_name	      = "cbc(paes)",
 		.base.cra_driver_name = "cbc-paes-s390",
 		.base.cra_priority    = 402,	/* cbc-paes-s390 + 1 */
+		.base.cra_flags	      = CRYPTO_ALG_ASYNC | CRYPTO_ALG_NO_FALLBACK,
 		.base.cra_blocksize   = AES_BLOCK_SIZE,
 		.base.cra_ctxsize     = sizeof(struct s390_paes_ctx),
 		.base.cra_module      = THIS_MODULE,
@@ -1162,6 +1164,7 @@ static struct skcipher_engine_alg ctr_paes_alg = {
 		.base.cra_name	      =	"ctr(paes)",
 		.base.cra_driver_name =	"ctr-paes-s390",
 		.base.cra_priority    =	402,	/* ecb-paes-s390 + 1 */
+		.base.cra_flags	      = CRYPTO_ALG_ASYNC | CRYPTO_ALG_NO_FALLBACK,
 		.base.cra_blocksize   =	1,
 		.base.cra_ctxsize     =	sizeof(struct s390_paes_ctx),
 		.base.cra_module      =	THIS_MODULE,
@@ -1611,6 +1614,7 @@ static struct skcipher_engine_alg xts_paes_alg = {
 		.base.cra_name	      =	"xts(paes)",
 		.base.cra_driver_name =	"xts-paes-s390",
 		.base.cra_priority    =	402,	/* ecb-paes-s390 + 1 */
+		.base.cra_flags	      = CRYPTO_ALG_ASYNC | CRYPTO_ALG_NO_FALLBACK,
 		.base.cra_blocksize   =	AES_BLOCK_SIZE,
 		.base.cra_ctxsize     =	sizeof(struct s390_pxts_ctx),
 		.base.cra_module      =	THIS_MODULE,
-- 
2.43.0


  parent reply	other threads:[~2026-08-17 10:42 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-08-17 10:41 [PATCH v2 0/6] Fixes and rework for paes_s390 Harald Freudenberger
2026-08-17 10:41 ` [PATCH v2 1/6] s390/crypto: Fix return code handling at skcipher_walk_done in PAES algorithms Harald Freudenberger
2026-08-17 10:41 ` [PATCH v2 2/6] s390/crypto: Fix missing scrub of temp buffers with PAES algorithm Harald Freudenberger
2026-08-17 10:42 ` [PATCH v2 3/6] s390/crypto: Fix use of mutex in atomic context in PAES Harald Freudenberger
2026-08-17 10:42 ` Harald Freudenberger [this message]
2026-08-17 10:42 ` [PATCH v2 5/6] s390/crypto: Fix handling of EBUSY in PAES when req is pushed to crypto engine Harald Freudenberger
2026-08-17 10:42 ` [PATCH v2 6/6] s390/crypto: Fix handling of EBUSY in PHMAC " Harald Freudenberger

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