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crypto: atmel - add CRYPTO_ALG_KERN_DRIVER_ONLY flag

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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 <admin@hifiphile.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Zixun LI
2025-04-07 12:20:49 +02:00
committed by Herbert Xu
parent fcfbdddc6f
commit bebe54b8be
3 changed files with 8 additions and 5 deletions
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5
drivers/crypto/atmel-aes.c
View File

@@ -1743,7 +1743,8 @@ static struct skcipher_alg aes_xts_alg = {
.base.cra_driver_name = "atmel-xts-aes",
.base.cra_blocksize = AES_BLOCK_SIZE,
.base.cra_ctxsize = sizeof(struct atmel_aes_xts_ctx),
.base.cra_flags = CRYPTO_ALG_NEED_FALLBACK,
.base.cra_flags = CRYPTO_ALG_NEED_FALLBACK |
CRYPTO_ALG_KERN_DRIVER_ONLY,
.min_keysize = 2 * AES_MIN_KEY_SIZE,
.max_keysize = 2 * AES_MAX_KEY_SIZE,
@@ -2220,7 +2221,7 @@ static void atmel_aes_unregister_algs(struct atmel_aes_dev *dd)
static void atmel_aes_crypto_alg_init(struct crypto_alg *alg)
{
alg->cra_flags |= CRYPTO_ALG_ASYNC;
alg->cra_flags |= CRYPTO_ALG_ASYNC | CRYPTO_ALG_KERN_DRIVER_ONLY;
alg->cra_alignmask = 0xf;
alg->cra_priority = ATMEL_AES_PRIORITY;
alg->cra_module = THIS_MODULE;

6
drivers/crypto/atmel-sha.c
View File

@@ -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 = ATMEL_SHA_PRIORITY;
alg->halg.base.cra_flags = CRYPTO_ALG_ASYNC;
alg->halg.base.cra_flags = CRYPTO_ALG_ASYNC |
CRYPTO_ALG_KERN_DRIVER_ONLY;
alg->halg.base.cra_ctxsize = sizeof(struct atmel_sha_ctx);
alg->halg.base.cra_module = THIS_MODULE;
alg->halg.base.cra_init = atmel_sha_cra_init;
@@ -2041,7 +2042,8 @@ 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 = ATMEL_SHA_PRIORITY;
alg->halg.base.cra_flags = CRYPTO_ALG_ASYNC;
alg->halg.base.cra_flags = CRYPTO_ALG_ASYNC |
CRYPTO_ALG_KERN_DRIVER_ONLY;
alg->halg.base.cra_ctxsize = sizeof(struct atmel_sha_hmac_ctx);
alg->halg.base.cra_module = THIS_MODULE;
alg->halg.base.cra_init = atmel_sha_hmac_cra_init;

2
drivers/crypto/atmel-tdes.c
View File

@@ -785,7 +785,7 @@ 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 = ATMEL_TDES_PRIORITY;
alg->base.cra_flags = CRYPTO_ALG_ASYNC;
alg->base.cra_flags = CRYPTO_ALG_ASYNC | CRYPTO_ALG_KERN_DRIVER_ONLY;
alg->base.cra_ctxsize = sizeof(struct atmel_tdes_ctx);
alg->base.cra_module = THIS_MODULE;