All of lore.kernel.org
 help / color / mirror / Atom feed
From: Nikos Mavrogiannopoulos <nmav@gnutls.org>
To: "linux-crypto@vger.kernel.org" <linux-crypto@vger.kernel.org>
Subject: [PATCH 1/1] Added CRYPTO_ALG_KERN_DRIVER_ONLY flag.
Date: Sun, 11 Dec 2011 13:26:26 +0100	[thread overview]
Message-ID: <4EE4A172.9010308@gnutls.org> (raw)

The added CRYPTO_ALG_KERN_DRIVER_ONLY flag indicates whether a cipher
is only available via a kernel driver. If the cipher implementation
might be available by using an instruction set or by porting the
kernel code, then it must not be set.

Signed-off-by: Nikos Mavrogiannopoulos <nmav@gnutls.org>
---
 drivers/crypto/geode-aes.c        |    8 ++++--
 drivers/crypto/hifn_795x.c        |    3 +-
 drivers/crypto/ixp4xx_crypto.c    |    2 +
 drivers/crypto/mv_cesa.c          |   12 ++++++---
 drivers/crypto/n2_core.c          |    7 ++++-
 drivers/crypto/omap-aes.c         |    8 ++++-
 drivers/crypto/omap-sham.c        |    4 +++
 drivers/crypto/picoxcell_crypto.c |   46 +++++++++++++++++++++++++++--------
 drivers/crypto/s5p-sss.c          |    6 +++-
 drivers/crypto/talitos.c          |   48 ++++++++++++++++++++++++++----------
 include/linux/crypto.h            |    5 ++++
 11 files changed, 110 insertions(+), 39 deletions(-)

diff --git a/drivers/crypto/geode-aes.c b/drivers/crypto/geode-aes.c
index 219d09c..8b0ef70 100644
--- a/drivers/crypto/geode-aes.c
+++ b/drivers/crypto/geode-aes.c
@@ -392,8 +392,9 @@ static struct crypto_alg geode_cbc_alg = {
 	.cra_name		=	"cbc(aes)",
 	.cra_driver_name	=	"cbc-aes-geode",
 	.cra_priority		=	400,
-	.cra_flags			=	CRYPTO_ALG_TYPE_BLKCIPHER |
-							CRYPTO_ALG_NEED_FALLBACK,
+	.cra_flags			=	CRYPTO_ALG_TYPE_BLKCIPHER |
+						CRYPTO_ALG_KERN_DRIVER_ONLY |
+						CRYPTO_ALG_NEED_FALLBACK,
 	.cra_init			=	fallback_init_blk,
 	.cra_exit			=	fallback_exit_blk,
 	.cra_blocksize		=	AES_MIN_BLOCK_SIZE,
@@ -479,7 +480,8 @@ static struct crypto_alg geode_ecb_alg = {
 	.cra_driver_name	=	"ecb-aes-geode",
 	.cra_priority		=	400,
 	.cra_flags			=	CRYPTO_ALG_TYPE_BLKCIPHER |
-							CRYPTO_ALG_NEED_FALLBACK,
+						CRYPTO_ALG_KERN_DRIVER_ONLY |
+						CRYPTO_ALG_NEED_FALLBACK,
 	.cra_init			=	fallback_init_blk,
 	.cra_exit			=	fallback_exit_blk,
 	.cra_blocksize		=	AES_MIN_BLOCK_SIZE,
diff --git a/drivers/crypto/hifn_795x.c b/drivers/crypto/hifn_795x.c
index fe765f4..14780c8 100644
--- a/drivers/crypto/hifn_795x.c
+++ b/drivers/crypto/hifn_795x.c
@@ -2494,7 +2494,8 @@ static int hifn_alg_alloc(struct hifn_device *dev, struct hifn_alg_template *t)
 		 t->drv_name, dev->name);
 
 	alg->alg.cra_priority = 300;
-	alg->alg.cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC;
+	alg->alg.cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER |
+				CRYPTO_ALG_KERN_DRIVER_ONLY | CRYPTO_ALG_ASYNC;
 	alg->alg.cra_blocksize = t->bsize;
 	alg->alg.cra_ctxsize = sizeof(struct hifn_context);
 	alg->alg.cra_alignmask = 0;
diff --git a/drivers/crypto/ixp4xx_crypto.c b/drivers/crypto/ixp4xx_crypto.c
index 4c20c5b..a82c11a 100644
--- a/drivers/crypto/ixp4xx_crypto.c
+++ b/drivers/crypto/ixp4xx_crypto.c
@@ -1449,6 +1449,7 @@ static int __init ixp_module_init(void)
 			/* block ciphers */
 			cra->cra_type = &crypto_ablkcipher_type;
 			cra->cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER |
+					 CRYPTO_ALG_KERN_DRIVER_ONLY |
 					 CRYPTO_ALG_ASYNC;
 			if (!cra->cra_ablkcipher.setkey)
 				cra->cra_ablkcipher.setkey = ablk_setkey;
@@ -1461,6 +1462,7 @@ static int __init ixp_module_init(void)
 			/* authenc */
 			cra->cra_type = &crypto_aead_type;
 			cra->cra_flags = CRYPTO_ALG_TYPE_AEAD |
+					 CRYPTO_ALG_KERN_DRIVER_ONLY |
 					 CRYPTO_ALG_ASYNC;
 			cra->cra_aead.setkey = aead_setkey;
 			cra->cra_aead.setauthsize = aead_setauthsize;
diff --git a/drivers/crypto/mv_cesa.c b/drivers/crypto/mv_cesa.c
index 38a3297..04f47e5 100644
--- a/drivers/crypto/mv_cesa.c
+++ b/drivers/crypto/mv_cesa.c
@@ -897,7 +897,8 @@ struct crypto_alg mv_aes_alg_ecb = {
 	.cra_name		= "ecb(aes)",
 	.cra_driver_name	= "mv-ecb-aes",
 	.cra_priority	= 300,
-	.cra_flags	= CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC,
+	.cra_flags	= CRYPTO_ALG_TYPE_ABLKCIPHER |
+			  CRYPTO_ALG_KERN_DRIVER_ONLY | CRYPTO_ALG_ASYNC,
 	.cra_blocksize	= 16,
 	.cra_ctxsize	= sizeof(struct mv_ctx),
 	.cra_alignmask	= 0,
@@ -919,7 +920,8 @@ struct crypto_alg mv_aes_alg_cbc = {
 	.cra_name		= "cbc(aes)",
 	.cra_driver_name	= "mv-cbc-aes",
 	.cra_priority	= 300,
-	.cra_flags	= CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC,
+	.cra_flags	= CRYPTO_ALG_TYPE_ABLKCIPHER |
+			  CRYPTO_ALG_KERN_DRIVER_ONLY | CRYPTO_ALG_ASYNC,
 	.cra_blocksize	= AES_BLOCK_SIZE,
 	.cra_ctxsize	= sizeof(struct mv_ctx),
 	.cra_alignmask	= 0,
@@ -951,7 +953,8 @@ struct ahash_alg mv_sha1_alg = {
 			  .cra_driver_name = "mv-sha1",
 			  .cra_priority = 300,
 			  .cra_flags =
-			  CRYPTO_ALG_ASYNC | CRYPTO_ALG_NEED_FALLBACK,
+			  CRYPTO_ALG_ASYNC | CRYPTO_ALG_KERN_DRIVER_ONLY |
+			  CRYPTO_ALG_NEED_FALLBACK,
 			  .cra_blocksize = SHA1_BLOCK_SIZE,
 			  .cra_ctxsize = sizeof(struct mv_tfm_hash_ctx),
 			  .cra_init = mv_cra_hash_sha1_init,
@@ -975,7 +978,8 @@ struct ahash_alg mv_hmac_sha1_alg = {
 			  .cra_driver_name = "mv-hmac-sha1",
 			  .cra_priority = 300,
 			  .cra_flags =
-			  CRYPTO_ALG_ASYNC | CRYPTO_ALG_NEED_FALLBACK,
+			  CRYPTO_ALG_ASYNC | CRYPTO_ALG_KERN_DRIVER_ONLY |
+			  CRYPTO_ALG_NEED_FALLBACK,
 			  .cra_blocksize = SHA1_BLOCK_SIZE,
 			  .cra_ctxsize = sizeof(struct mv_tfm_hash_ctx),
 			  .cra_init = mv_cra_hash_hmac_sha1_init,
diff --git a/drivers/crypto/n2_core.c b/drivers/crypto/n2_core.c
index 8944dab..b7a98ea 100644
--- a/drivers/crypto/n2_core.c
+++ b/drivers/crypto/n2_core.c
@@ -1402,7 +1402,8 @@ static int __devinit __n2_register_one_cipher(const struct n2_cipher_tmpl *tmpl)
 	snprintf(alg->cra_name, CRYPTO_MAX_ALG_NAME, "%s", tmpl->name);
 	snprintf(alg->cra_driver_name, CRYPTO_MAX_ALG_NAME, "%s-n2", tmpl->drv_name);
 	alg->cra_priority = N2_CRA_PRIORITY;
-	alg->cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC;
+	alg->cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER |
+			 CRYPTO_ALG_KERN_DRIVER_ONLY | CRYPTO_ALG_ASYNC;
 	alg->cra_blocksize = tmpl->block_size;
 	p->enc_type = tmpl->enc_type;
 	alg->cra_ctxsize = sizeof(struct n2_cipher_context);
@@ -1493,7 +1494,9 @@ static int __devinit __n2_register_one_ahash(const struct n2_hash_tmpl *tmpl)
 	snprintf(base->cra_name, CRYPTO_MAX_ALG_NAME, "%s", tmpl->name);
 	snprintf(base->cra_driver_name, CRYPTO_MAX_ALG_NAME, "%s-n2", tmpl->name);
 	base->cra_priority = N2_CRA_PRIORITY;
-	base->cra_flags = CRYPTO_ALG_TYPE_AHASH | CRYPTO_ALG_NEED_FALLBACK;
+	base->cra_flags = CRYPTO_ALG_TYPE_AHASH |
+			  CRYPTO_ALG_KERN_DRIVER_ONLY |
+			  CRYPTO_ALG_NEED_FALLBACK;
 	base->cra_blocksize = tmpl->block_size;
 	base->cra_ctxsize = sizeof(struct n2_hash_ctx);
 	base->cra_module = THIS_MODULE;
diff --git a/drivers/crypto/omap-aes.c b/drivers/crypto/omap-aes.c
index 5b970d9..61d313f 100644
--- a/drivers/crypto/omap-aes.c
+++ b/drivers/crypto/omap-aes.c
@@ -756,7 +756,9 @@ static struct crypto_alg algs[] = {
 	.cra_name		= "ecb(aes)",
 	.cra_driver_name	= "ecb-aes-omap",
 	.cra_priority		= 100,
-	.cra_flags		= CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC,
+	.cra_flags		= CRYPTO_ALG_TYPE_ABLKCIPHER |
+				  CRYPTO_ALG_KERN_DRIVER_ONLY |
+				  CRYPTO_ALG_ASYNC,
 	.cra_blocksize		= AES_BLOCK_SIZE,
 	.cra_ctxsize		= sizeof(struct omap_aes_ctx),
 	.cra_alignmask		= 0,
@@ -776,7 +778,9 @@ static struct crypto_alg algs[] = {
 	.cra_name		= "cbc(aes)",
 	.cra_driver_name	= "cbc-aes-omap",
 	.cra_priority		= 100,
-	.cra_flags		= CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC,
+	.cra_flags		= CRYPTO_ALG_TYPE_ABLKCIPHER |
+				  CRYPTO_ALG_KERN_DRIVER_ONLY |
+				  CRYPTO_ALG_ASYNC,
 	.cra_blocksize		= AES_BLOCK_SIZE,
 	.cra_ctxsize		= sizeof(struct omap_aes_ctx),
 	.cra_alignmask		= 0,
diff --git a/drivers/crypto/omap-sham.c b/drivers/crypto/omap-sham.c
index 6399a8f..a3fd6fc 100644
--- a/drivers/crypto/omap-sham.c
+++ b/drivers/crypto/omap-sham.c
@@ -953,6 +953,7 @@ static struct ahash_alg algs[] = {
 		.cra_driver_name	= "omap-sha1",
 		.cra_priority		= 100,
 		.cra_flags		= CRYPTO_ALG_TYPE_AHASH |
+						CRYPTO_ALG_KERN_DRIVER_ONLY |
 						CRYPTO_ALG_ASYNC |
 						CRYPTO_ALG_NEED_FALLBACK,
 		.cra_blocksize		= SHA1_BLOCK_SIZE,
@@ -975,6 +976,7 @@ static struct ahash_alg algs[] = {
 		.cra_driver_name	= "omap-md5",
 		.cra_priority		= 100,
 		.cra_flags		= CRYPTO_ALG_TYPE_AHASH |
+						CRYPTO_ALG_KERN_DRIVER_ONLY |
 						CRYPTO_ALG_ASYNC |
 						CRYPTO_ALG_NEED_FALLBACK,
 		.cra_blocksize		= SHA1_BLOCK_SIZE,
@@ -998,6 +1000,7 @@ static struct ahash_alg algs[] = {
 		.cra_driver_name	= "omap-hmac-sha1",
 		.cra_priority		= 100,
 		.cra_flags		= CRYPTO_ALG_TYPE_AHASH |
+						CRYPTO_ALG_KERN_DRIVER_ONLY |
 						CRYPTO_ALG_ASYNC |
 						CRYPTO_ALG_NEED_FALLBACK,
 		.cra_blocksize		= SHA1_BLOCK_SIZE,
@@ -1022,6 +1025,7 @@ static struct ahash_alg algs[] = {
 		.cra_driver_name	= "omap-hmac-md5",
 		.cra_priority		= 100,
 		.cra_flags		= CRYPTO_ALG_TYPE_AHASH |
+						CRYPTO_ALG_KERN_DRIVER_ONLY |
 						CRYPTO_ALG_ASYNC |
 						CRYPTO_ALG_NEED_FALLBACK,
 		.cra_blocksize		= SHA1_BLOCK_SIZE,
diff --git a/drivers/crypto/picoxcell_crypto.c b/drivers/crypto/picoxcell_crypto.c
index a2b553e..f4df418 100644
--- a/drivers/crypto/picoxcell_crypto.c
+++ b/drivers/crypto/picoxcell_crypto.c
@@ -1322,6 +1322,7 @@ static struct spacc_alg ipsec_engine_algs[] = {
 			.cra_driver_name = "cbc-aes-picoxcell",
 			.cra_priority = SPACC_CRYPTO_ALG_PRIORITY,
 			.cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER |
+				     CRYPTO_ALG_KERN_DRIVER_ONLY |
 				     CRYPTO_ALG_ASYNC |
 				     CRYPTO_ALG_NEED_FALLBACK,
 			.cra_blocksize = AES_BLOCK_SIZE,
@@ -1349,6 +1350,7 @@ static struct spacc_alg ipsec_engine_algs[] = {
 			.cra_driver_name = "ecb-aes-picoxcell",
 			.cra_priority = SPACC_CRYPTO_ALG_PRIORITY,
 			.cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER |
+				CRYPTO_ALG_KERN_DRIVER_ONLY |
 				CRYPTO_ALG_ASYNC | CRYPTO_ALG_NEED_FALLBACK,
 			.cra_blocksize = AES_BLOCK_SIZE,
 			.cra_ctxsize = sizeof(struct spacc_ablk_ctx),
@@ -1373,7 +1375,9 @@ static struct spacc_alg ipsec_engine_algs[] = {
 			.cra_name = "cbc(des)",
 			.cra_driver_name = "cbc-des-picoxcell",
 			.cra_priority = SPACC_CRYPTO_ALG_PRIORITY,
-			.cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC,
+			.cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER |
+					CRYPTO_ALG_ASYNC |
+					CRYPTO_ALG_KERN_DRIVER_ONLY,
 			.cra_blocksize = DES_BLOCK_SIZE,
 			.cra_ctxsize = sizeof(struct spacc_ablk_ctx),
 			.cra_type = &crypto_ablkcipher_type,
@@ -1398,7 +1402,9 @@ static struct spacc_alg ipsec_engine_algs[] = {
 			.cra_name = "ecb(des)",
 			.cra_driver_name = "ecb-des-picoxcell",
 			.cra_priority = SPACC_CRYPTO_ALG_PRIORITY,
-			.cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC,
+			.cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER |
+					CRYPTO_ALG_ASYNC |
+					CRYPTO_ALG_KERN_DRIVER_ONLY,
 			.cra_blocksize = DES_BLOCK_SIZE,
 			.cra_ctxsize = sizeof(struct spacc_ablk_ctx),
 			.cra_type = &crypto_ablkcipher_type,
@@ -1422,7 +1428,9 @@ static struct spacc_alg ipsec_engine_algs[] = {
 			.cra_name = "cbc(des3_ede)",
 			.cra_driver_name = "cbc-des3-ede-picoxcell",
 			.cra_priority = SPACC_CRYPTO_ALG_PRIORITY,
-			.cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC,
+			.cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER |
+					CRYPTO_ALG_ASYNC |
+					CRYPTO_ALG_KERN_DRIVER_ONLY,
 			.cra_blocksize = DES3_EDE_BLOCK_SIZE,
 			.cra_ctxsize = sizeof(struct spacc_ablk_ctx),
 			.cra_type = &crypto_ablkcipher_type,
@@ -1447,7 +1455,9 @@ static struct spacc_alg ipsec_engine_algs[] = {
 			.cra_name = "ecb(des3_ede)",
 			.cra_driver_name = "ecb-des3-ede-picoxcell",
 			.cra_priority = SPACC_CRYPTO_ALG_PRIORITY,
-			.cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC,
+			.cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER |
+					CRYPTO_ALG_ASYNC |
+					CRYPTO_ALG_KERN_DRIVER_ONLY,
 			.cra_blocksize = DES3_EDE_BLOCK_SIZE,
 			.cra_ctxsize = sizeof(struct spacc_ablk_ctx),
 			.cra_type = &crypto_ablkcipher_type,
@@ -1472,7 +1482,9 @@ static struct spacc_alg ipsec_engine_algs[] = {
 			.cra_name = "authenc(hmac(sha1),cbc(aes))",
 			.cra_driver_name = "authenc-hmac-sha1-cbc-aes-picoxcell",
 			.cra_priority = SPACC_CRYPTO_ALG_PRIORITY,
-			.cra_flags = CRYPTO_ALG_TYPE_AEAD | CRYPTO_ALG_ASYNC,
+			.cra_flags = CRYPTO_ALG_TYPE_AEAD |
+					CRYPTO_ALG_ASYNC |
+					CRYPTO_ALG_KERN_DRIVER_ONLY,
 			.cra_blocksize = AES_BLOCK_SIZE,
 			.cra_ctxsize = sizeof(struct spacc_aead_ctx),
 			.cra_type = &crypto_aead_type,
@@ -1500,7 +1512,9 @@ static struct spacc_alg ipsec_engine_algs[] = {
 			.cra_name = "authenc(hmac(sha256),cbc(aes))",
 			.cra_driver_name = "authenc-hmac-sha256-cbc-aes-picoxcell",
 			.cra_priority = SPACC_CRYPTO_ALG_PRIORITY,
-			.cra_flags = CRYPTO_ALG_TYPE_AEAD | CRYPTO_ALG_ASYNC,
+			.cra_flags = CRYPTO_ALG_TYPE_AEAD |
+					CRYPTO_ALG_ASYNC |
+					CRYPTO_ALG_KERN_DRIVER_ONLY,
 			.cra_blocksize = AES_BLOCK_SIZE,
 			.cra_ctxsize = sizeof(struct spacc_aead_ctx),
 			.cra_type = &crypto_aead_type,
@@ -1527,7 +1541,9 @@ static struct spacc_alg ipsec_engine_algs[] = {
 			.cra_name = "authenc(hmac(md5),cbc(aes))",
 			.cra_driver_name = "authenc-hmac-md5-cbc-aes-picoxcell",
 			.cra_priority = SPACC_CRYPTO_ALG_PRIORITY,
-			.cra_flags = CRYPTO_ALG_TYPE_AEAD | CRYPTO_ALG_ASYNC,
+			.cra_flags = CRYPTO_ALG_TYPE_AEAD |
+					CRYPTO_ALG_ASYNC |
+					CRYPTO_ALG_KERN_DRIVER_ONLY,
 			.cra_blocksize = AES_BLOCK_SIZE,
 			.cra_ctxsize = sizeof(struct spacc_aead_ctx),
 			.cra_type = &crypto_aead_type,
@@ -1554,7 +1570,9 @@ static struct spacc_alg ipsec_engine_algs[] = {
 			.cra_name = "authenc(hmac(sha1),cbc(des3_ede))",
 			.cra_driver_name = "authenc-hmac-sha1-cbc-3des-picoxcell",
 			.cra_priority = SPACC_CRYPTO_ALG_PRIORITY,
-			.cra_flags = CRYPTO_ALG_TYPE_AEAD | CRYPTO_ALG_ASYNC,
+			.cra_flags = CRYPTO_ALG_TYPE_AEAD |
+					CRYPTO_ALG_ASYNC |
+					CRYPTO_ALG_KERN_DRIVER_ONLY,
 			.cra_blocksize = DES3_EDE_BLOCK_SIZE,
 			.cra_ctxsize = sizeof(struct spacc_aead_ctx),
 			.cra_type = &crypto_aead_type,
@@ -1582,7 +1600,9 @@ static struct spacc_alg ipsec_engine_algs[] = {
 			.cra_name = "authenc(hmac(sha256),cbc(des3_ede))",
 			.cra_driver_name = "authenc-hmac-sha256-cbc-3des-picoxcell",
 			.cra_priority = SPACC_CRYPTO_ALG_PRIORITY,
-			.cra_flags = CRYPTO_ALG_TYPE_AEAD | CRYPTO_ALG_ASYNC,
+			.cra_flags = CRYPTO_ALG_TYPE_AEAD |
+					CRYPTO_ALG_ASYNC |
+					CRYPTO_ALG_KERN_DRIVER_ONLY,
 			.cra_blocksize = DES3_EDE_BLOCK_SIZE,
 			.cra_ctxsize = sizeof(struct spacc_aead_ctx),
 			.cra_type = &crypto_aead_type,
@@ -1609,7 +1629,9 @@ static struct spacc_alg ipsec_engine_algs[] = {
 			.cra_name = "authenc(hmac(md5),cbc(des3_ede))",
 			.cra_driver_name = "authenc-hmac-md5-cbc-3des-picoxcell",
 			.cra_priority = SPACC_CRYPTO_ALG_PRIORITY,
-			.cra_flags = CRYPTO_ALG_TYPE_AEAD | CRYPTO_ALG_ASYNC,
+			.cra_flags = CRYPTO_ALG_TYPE_AEAD |
+					CRYPTO_ALG_ASYNC |
+					CRYPTO_ALG_KERN_DRIVER_ONLY,
 			.cra_blocksize = DES3_EDE_BLOCK_SIZE,
 			.cra_ctxsize = sizeof(struct spacc_aead_ctx),
 			.cra_type = &crypto_aead_type,
@@ -1639,7 +1661,9 @@ static struct spacc_alg l2_engine_algs[] = {
 			.cra_name = "f8(kasumi)",
 			.cra_driver_name = "f8-kasumi-picoxcell",
 			.cra_priority = SPACC_CRYPTO_ALG_PRIORITY,
-			.cra_flags = CRYPTO_ALG_TYPE_GIVCIPHER | CRYPTO_ALG_ASYNC,
+			.cra_flags = CRYPTO_ALG_TYPE_GIVCIPHER |
+					CRYPTO_ALG_ASYNC |
+					CRYPTO_ALG_KERN_DRIVER_ONLY,
 			.cra_blocksize = 8,
 			.cra_ctxsize = sizeof(struct spacc_ablk_ctx),
 			.cra_type = &crypto_ablkcipher_type,
diff --git a/drivers/crypto/s5p-sss.c b/drivers/crypto/s5p-sss.c
index 8115417..49dbab6 100644
--- a/drivers/crypto/s5p-sss.c
+++ b/drivers/crypto/s5p-sss.c
@@ -518,7 +518,8 @@ static struct crypto_alg algs[] = {
 		.cra_driver_name	= "ecb-aes-s5p",
 		.cra_priority		= 100,
 		.cra_flags		= CRYPTO_ALG_TYPE_ABLKCIPHER |
-					  CRYPTO_ALG_ASYNC,
+					  CRYPTO_ALG_ASYNC |
+					  CRYPTO_ALG_KERN_DRIVER_ONLY,
 		.cra_blocksize		= AES_BLOCK_SIZE,
 		.cra_ctxsize		= sizeof(struct s5p_aes_ctx),
 		.cra_alignmask		= 0x0f,
@@ -538,7 +539,8 @@ static struct crypto_alg algs[] = {
 		.cra_driver_name	= "cbc-aes-s5p",
 		.cra_priority		= 100,
 		.cra_flags		= CRYPTO_ALG_TYPE_ABLKCIPHER |
-					  CRYPTO_ALG_ASYNC,
+					  CRYPTO_ALG_ASYNC |
+					  CRYPTO_ALG_KERN_DRIVER_ONLY,
 		.cra_blocksize		= AES_BLOCK_SIZE,
 		.cra_ctxsize		= sizeof(struct s5p_aes_ctx),
 		.cra_alignmask		= 0x0f,
diff --git a/drivers/crypto/talitos.c b/drivers/crypto/talitos.c
index dbe76b5..d2fbf72 100644
--- a/drivers/crypto/talitos.c
+++ b/drivers/crypto/talitos.c
@@ -1890,7 +1890,9 @@ static struct talitos_alg_template driver_algs[] = {
 			.cra_name = "authenc(hmac(sha1),cbc(aes))",
 			.cra_driver_name = "authenc-hmac-sha1-cbc-aes-talitos",
 			.cra_blocksize = AES_BLOCK_SIZE,
-			.cra_flags = CRYPTO_ALG_TYPE_AEAD | CRYPTO_ALG_ASYNC,
+			.cra_flags = CRYPTO_ALG_TYPE_AEAD |
+					CRYPTO_ALG_ASYNC |
+					CRYPTO_ALG_KERN_DRIVER_ONLY,
 			.cra_type = &crypto_aead_type,
 			.cra_aead = {
 				.setkey = aead_setkey,
@@ -1916,7 +1918,9 @@ static struct talitos_alg_template driver_algs[] = {
 			.cra_name = "authenc(hmac(sha1),cbc(des3_ede))",
 			.cra_driver_name = "authenc-hmac-sha1-cbc-3des-talitos",
 			.cra_blocksize = DES3_EDE_BLOCK_SIZE,
-			.cra_flags = CRYPTO_ALG_TYPE_AEAD | CRYPTO_ALG_ASYNC,
+			.cra_flags = CRYPTO_ALG_TYPE_AEAD |
+					CRYPTO_ALG_ASYNC |
+					CRYPTO_ALG_KERN_DRIVER_ONLY,
 			.cra_type = &crypto_aead_type,
 			.cra_aead = {
 				.setkey = aead_setkey,
@@ -1943,7 +1947,9 @@ static struct talitos_alg_template driver_algs[] = {
 			.cra_name = "authenc(hmac(sha256),cbc(aes))",
 			.cra_driver_name = "authenc-hmac-sha256-cbc-aes-talitos",
 			.cra_blocksize = AES_BLOCK_SIZE,
-			.cra_flags = CRYPTO_ALG_TYPE_AEAD | CRYPTO_ALG_ASYNC,
+			.cra_flags = CRYPTO_ALG_TYPE_AEAD |
+					CRYPTO_ALG_ASYNC |
+					CRYPTO_ALG_KERN_DRIVER_ONLY,
 			.cra_type = &crypto_aead_type,
 			.cra_aead = {
 				.setkey = aead_setkey,
@@ -1969,7 +1975,9 @@ static struct talitos_alg_template driver_algs[] = {
 			.cra_name = "authenc(hmac(sha256),cbc(des3_ede))",
 			.cra_driver_name = "authenc-hmac-sha256-cbc-3des-talitos",
 			.cra_blocksize = DES3_EDE_BLOCK_SIZE,
-			.cra_flags = CRYPTO_ALG_TYPE_AEAD | CRYPTO_ALG_ASYNC,
+			.cra_flags = CRYPTO_ALG_TYPE_AEAD |
+					CRYPTO_ALG_ASYNC |
+					CRYPTO_ALG_KERN_DRIVER_ONLY,
 			.cra_type = &crypto_aead_type,
 			.cra_aead = {
 				.setkey = aead_setkey,
@@ -1996,7 +2004,9 @@ static struct talitos_alg_template driver_algs[] = {
 			.cra_name = "authenc(hmac(md5),cbc(aes))",
 			.cra_driver_name = "authenc-hmac-md5-cbc-aes-talitos",
 			.cra_blocksize = AES_BLOCK_SIZE,
-			.cra_flags = CRYPTO_ALG_TYPE_AEAD | CRYPTO_ALG_ASYNC,
+			.cra_flags = CRYPTO_ALG_TYPE_AEAD |
+					CRYPTO_ALG_ASYNC |
+					CRYPTO_ALG_KERN_DRIVER_ONLY,
 			.cra_type = &crypto_aead_type,
 			.cra_aead = {
 				.setkey = aead_setkey,
@@ -2022,7 +2032,9 @@ static struct talitos_alg_template driver_algs[] = {
 			.cra_name = "authenc(hmac(md5),cbc(des3_ede))",
 			.cra_driver_name = "authenc-hmac-md5-cbc-3des-talitos",
 			.cra_blocksize = DES3_EDE_BLOCK_SIZE,
-			.cra_flags = CRYPTO_ALG_TYPE_AEAD | CRYPTO_ALG_ASYNC,
+			.cra_flags = CRYPTO_ALG_TYPE_AEAD |
+					CRYPTO_ALG_ASYNC |
+					CRYPTO_ALG_KERN_DRIVER_ONLY,
 			.cra_type = &crypto_aead_type,
 			.cra_aead = {
 				.setkey = aead_setkey,
@@ -2051,7 +2063,8 @@ static struct talitos_alg_template driver_algs[] = {
 			.cra_driver_name = "cbc-aes-talitos",
 			.cra_blocksize = AES_BLOCK_SIZE,
 			.cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER |
-                                     CRYPTO_ALG_ASYNC,
+				     CRYPTO_ALG_ASYNC |
+				     CRYPTO_ALG_KERN_DRIVER_ONLY,
 			.cra_type = &crypto_ablkcipher_type,
 			.cra_ablkcipher = {
 				.setkey = ablkcipher_setkey,
@@ -2073,7 +2086,8 @@ static struct talitos_alg_template driver_algs[] = {
 			.cra_driver_name = "cbc-3des-talitos",
 			.cra_blocksize = DES3_EDE_BLOCK_SIZE,
 			.cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER |
-                                     CRYPTO_ALG_ASYNC,
+				     CRYPTO_ALG_ASYNC |
+				     CRYPTO_ALG_KERN_DRIVER_ONLY,
 			.cra_type = &crypto_ablkcipher_type,
 			.cra_ablkcipher = {
 				.setkey = ablkcipher_setkey,
@@ -2104,7 +2118,8 @@ static struct talitos_alg_template driver_algs[] = {
 				.cra_driver_name = "md5-talitos",
 				.cra_blocksize = MD5_BLOCK_SIZE,
 				.cra_flags = CRYPTO_ALG_TYPE_AHASH |
-					     CRYPTO_ALG_ASYNC,
+					     CRYPTO_ALG_ASYNC |
+					     CRYPTO_ALG_KERN_DRIVER_ONLY,
 				.cra_type = &crypto_ahash_type
 			}
 		},
@@ -2125,7 +2140,8 @@ static struct talitos_alg_template driver_algs[] = {
 				.cra_driver_name = "sha1-talitos",
 				.cra_blocksize = SHA1_BLOCK_SIZE,
 				.cra_flags = CRYPTO_ALG_TYPE_AHASH |
-					     CRYPTO_ALG_ASYNC,
+					     CRYPTO_ALG_ASYNC |
+					     CRYPTO_ALG_KERN_DRIVER_ONLY,
 				.cra_type = &crypto_ahash_type
 			}
 		},
@@ -2146,7 +2162,8 @@ static struct talitos_alg_template driver_algs[] = {
 				.cra_driver_name = "sha224-talitos",
 				.cra_blocksize = SHA224_BLOCK_SIZE,
 				.cra_flags = CRYPTO_ALG_TYPE_AHASH |
-					     CRYPTO_ALG_ASYNC,
+					     CRYPTO_ALG_ASYNC |
+					     CRYPTO_ALG_KERN_DRIVER_ONLY,
 				.cra_type = &crypto_ahash_type
 			}
 		},
@@ -2167,7 +2184,8 @@ static struct talitos_alg_template driver_algs[] = {
 				.cra_driver_name = "sha256-talitos",
 				.cra_blocksize = SHA256_BLOCK_SIZE,
 				.cra_flags = CRYPTO_ALG_TYPE_AHASH |
-					     CRYPTO_ALG_ASYNC,
+					     CRYPTO_ALG_ASYNC |
+					     CRYPTO_ALG_KERN_DRIVER_ONLY,
 				.cra_type = &crypto_ahash_type
 			}
 		},
@@ -2188,7 +2206,8 @@ static struct talitos_alg_template driver_algs[] = {
 				.cra_driver_name = "sha384-talitos",
 				.cra_blocksize = SHA384_BLOCK_SIZE,
 				.cra_flags = CRYPTO_ALG_TYPE_AHASH |
-					     CRYPTO_ALG_ASYNC,
+					     CRYPTO_ALG_ASYNC |
+					     CRYPTO_ALG_KERN_DRIVER_ONLY,
 				.cra_type = &crypto_ahash_type
 			}
 		},
@@ -2209,7 +2228,8 @@ static struct talitos_alg_template driver_algs[] = {
 				.cra_driver_name = "sha512-talitos",
 				.cra_blocksize = SHA512_BLOCK_SIZE,
 				.cra_flags = CRYPTO_ALG_TYPE_AHASH |
-					     CRYPTO_ALG_ASYNC,
+					     CRYPTO_ALG_ASYNC |
+					     CRYPTO_ALG_KERN_DRIVER_ONLY,
 				.cra_type = &crypto_ahash_type
 			}
 		},
diff --git a/include/linux/crypto.h b/include/linux/crypto.h
index de9adec..e09acce 100644
--- a/include/linux/crypto.h
+++ b/include/linux/crypto.h
@@ -76,6 +76,11 @@
  */
 #define CRYPTO_ALG_INSTANCE		0x00000800
 
+/* Set this bit if the algorithm provided is hardware accelerated but
+ * not available to userspace via instruction set or so.
+ */
+#define CRYPTO_ALG_KERN_DRIVER_ONLY	0x00001000
+
 /*
  * Transform masks and values (for crt_flags).
  */
-- 
1.7.7.3

             reply	other threads:[~2011-12-11 12:23 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-12-11 12:26 Nikos Mavrogiannopoulos [this message]
2011-12-12 20:43 ` [PATCH 1/1] Added CRYPTO_ALG_KERN_DRIVER_ONLY flag Kim Phillips
2011-12-13  8:54   ` Nikos Mavrogiannopoulos

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=4EE4A172.9010308@gnutls.org \
    --to=nmav@gnutls.org \
    --cc=linux-crypto@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.