> -----Original Message----- > From: Farhan Ali [mailto:alifm@xxxxxxxxxxxxx] > Sent: Wednesday, June 13, 2018 1:07 AM > To: Gonglei (Arei) <arei.gonglei@xxxxxxxxxx>; linux-kernel@xxxxxxxxxxxxxxx; > kvm@xxxxxxxxxxxxxxx > Cc: mst@xxxxxxxxxx; qemu-devel@xxxxxxxxxx; longpeng > <longpeng2@xxxxxxxxxx>; pasic@xxxxxxxxxxxxx; frankja@xxxxxxxxxxxxx; > borntraeger@xxxxxxxxxx > Subject: Re: [RFC v1 1/2] crypto/virtio-crypto: Read crypto services and > algorithm masks > > Hi Arei > > On 06/11/2018 02:43 AM, Gonglei (Arei) wrote: > > > >> -----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> > > > > Sure will update the comment. How about " Specifies the services mask > which the device support, * see VIRTIO_CRYPTO_SERVICE_*" ? > It makes sense IMHO :) Regards, -Gonglei > or should I specify the file where the VIRTIO_CRYPTO_SERVICE_* are defined? > > Thanks > Farhan > > >> + 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 > > > >
