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| author | Farhan Ali <alifm@linux.ibm.com> | 2018-06-19 11:41:33 -0400 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2018-07-01 21:00:44 +0800 |
| commit | b551bac14acab9c601269e2007a6b6cad2250a4c (patch) | |
| tree | fc7934f66dd26682e32dc4ff1b7d06b6b6f84573 /drivers/crypto/virtio | |
| parent | 0917b873127cebd4a259b92d43af5963484981ae (diff) | |
| download | linux-b551bac14acab9c601269e2007a6b6cad2250a4c.tar.bz2 | |
crypto: virtio - Read crypto services and algorithm masks
Read the crypto services and algorithm masks which provides
information about the services and algorithms supported by
virtio-crypto backend.
Signed-off-by: Farhan Ali <alifm@linux.ibm.com>
Acked-by: Gonglei <arei.gonglei@huawei.com>
Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/virtio')
| -rw-r--r-- | drivers/crypto/virtio/virtio_crypto_common.h | 14 | ||||
| -rw-r--r-- | drivers/crypto/virtio/virtio_crypto_core.c | 29 |
2 files changed, 43 insertions, 0 deletions
diff --git a/drivers/crypto/virtio/virtio_crypto_common.h b/drivers/crypto/virtio/virtio_crypto_common.h index 66501a5a2b7b..931a3bd5b51a 100644 --- a/drivers/crypto/virtio/virtio_crypto_common.h +++ b/drivers/crypto/virtio/virtio_crypto_common.h @@ -55,6 +55,20 @@ struct virtio_crypto { /* Number of queue currently used by the driver */ u32 curr_queue; + /* + * Specifies the services mask which the device support, + * see VIRTIO_CRYPTO_SERVICE_* + */ + u32 crypto_services; + + /* Detailed algorithms mask */ + u32 cipher_algo_l; + u32 cipher_algo_h; + u32 hash_algo; + u32 mac_algo_l; + u32 mac_algo_h; + u32 aead_algo; + /* Maximum length of cipher key */ u32 max_cipher_key_len; /* Maximum length of authenticated key */ diff --git a/drivers/crypto/virtio/virtio_crypto_core.c b/drivers/crypto/virtio/virtio_crypto_core.c index 83326986c113..8f745f28f78b 100644 --- a/drivers/crypto/virtio/virtio_crypto_core.c +++ b/drivers/crypto/virtio/virtio_crypto_core.c @@ -303,6 +303,13 @@ static int virtcrypto_probe(struct virtio_device *vdev) u32 max_data_queues = 0, max_cipher_key_len = 0; u32 max_auth_key_len = 0; u64 max_size = 0; + u32 cipher_algo_l = 0; + u32 cipher_algo_h = 0; + u32 hash_algo = 0; + u32 mac_algo_l = 0; + u32 mac_algo_h = 0; + u32 aead_algo = 0; + u32 crypto_services = 0; if (!virtio_has_feature(vdev, VIRTIO_F_VERSION_1)) return -ENODEV; @@ -339,6 +346,20 @@ static int virtcrypto_probe(struct virtio_device *vdev) max_auth_key_len, &max_auth_key_len); virtio_cread(vdev, struct virtio_crypto_config, max_size, &max_size); + virtio_cread(vdev, struct virtio_crypto_config, + crypto_services, &crypto_services); + virtio_cread(vdev, struct virtio_crypto_config, + cipher_algo_l, &cipher_algo_l); + virtio_cread(vdev, struct virtio_crypto_config, + cipher_algo_h, &cipher_algo_h); + virtio_cread(vdev, struct virtio_crypto_config, + hash_algo, &hash_algo); + virtio_cread(vdev, struct virtio_crypto_config, + mac_algo_l, &mac_algo_l); + virtio_cread(vdev, struct virtio_crypto_config, + mac_algo_h, &mac_algo_h); + virtio_cread(vdev, struct virtio_crypto_config, + aead_algo, &aead_algo); /* Add virtio crypto device to global table */ err = virtcrypto_devmgr_add_dev(vcrypto); @@ -358,6 +379,14 @@ static int virtcrypto_probe(struct virtio_device *vdev) vcrypto->max_cipher_key_len = max_cipher_key_len; vcrypto->max_auth_key_len = max_auth_key_len; vcrypto->max_size = max_size; + vcrypto->crypto_services = crypto_services; + vcrypto->cipher_algo_l = cipher_algo_l; + vcrypto->cipher_algo_h = cipher_algo_h; + vcrypto->mac_algo_l = mac_algo_l; + vcrypto->mac_algo_h = mac_algo_h; + vcrypto->hash_algo = hash_algo; + vcrypto->aead_algo = aead_algo; + dev_info(&vdev->dev, "max_queues: %u, max_cipher_key_len: %u, max_auth_key_len: %u, max_size 0x%llx\n", |