> -----Original Message----- > From: Farhan Ali [mailto:alifm@xxxxxxxxxxxxx] > Sent: Saturday, June 09, 2018 3:09 AM > To: linux-kernel@xxxxxxxxxxxxxxx; kvm@xxxxxxxxxxxxxxx > Cc: mst@xxxxxxxxxx; qemu-devel@xxxxxxxxxx; Gonglei (Arei) > <arei.gonglei@xxxxxxxxxx>; longpeng <longpeng2@xxxxxxxxxx>; > pasic@xxxxxxxxxxxxx; frankja@xxxxxxxxxxxxx; borntraeger@xxxxxxxxxx; > alifm@xxxxxxxxxxxxx > Subject: [RFC v1 1/2] crypto/virtio-crypto: 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@xxxxxxxxxxxxx> > --- > drivers/crypto/virtio/virtio_crypto_common.h | 14 ++++++++++++++ > drivers/crypto/virtio/virtio_crypto_core.c | 29 > ++++++++++++++++++++++++++++ > 2 files changed, 43 insertions(+) > > diff --git a/drivers/crypto/virtio/virtio_crypto_common.h > b/drivers/crypto/virtio/virtio_crypto_common.h > index 66501a5..05eca12e 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_* above > + */ Pls update the above comments. Except that: Acked-by: Gonglei <arei.gonglei@xxxxxxxxxx> > + 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 8332698..8f745f2 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", > -- > 2.7.4
