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| author | Gonglei \(Arei\) <arei.gonglei@huawei.com> | 2016-12-27 07:49:07 +0100 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2016-12-30 12:52:38 +0100 |
| commit | d79b5d0bbf2e3aded13b0542160bde48e95d3d44 (patch) | |
| tree | 77930d39c6142640fc474d8ec9fea2d08872fb43 /drivers/crypto/virtio/virtio_crypto_common.h | |
| parent | crypto: qat - increase number of supported devices (diff) | |
| download | linux-d79b5d0bbf2e3aded13b0542160bde48e95d3d44.tar.xz linux-d79b5d0bbf2e3aded13b0542160bde48e95d3d44.zip | |
crypto: virtio - support crypto engine framework
crypto engine was introduced since 'commit 735d37b5424b ("crypto: engine
- Introduce the block request crypto engine framework")' which uses work
queue to realize the asynchronous processing for ablk_cipher and ahash.
For virtio-crypto device, I register an engine for each
data virtqueue so that we can use the capability of
multiple data queues in future.
Cc: Baolin Wang <baolin.wang@linaro.org>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/virtio/virtio_crypto_common.h')
| -rw-r--r-- | drivers/crypto/virtio/virtio_crypto_common.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/crypto/virtio/virtio_crypto_common.h b/drivers/crypto/virtio/virtio_crypto_common.h index 3d6566b02876..da6d8c0ea407 100644 --- a/drivers/crypto/virtio/virtio_crypto_common.h +++ b/drivers/crypto/virtio/virtio_crypto_common.h @@ -25,6 +25,7 @@ #include <crypto/aead.h> #include <crypto/aes.h> #include <crypto/authenc.h> +#include <crypto/engine.h> /* Internal representation of a data virtqueue */ @@ -37,6 +38,8 @@ struct data_queue { /* Name of the tx queue: dataq.$index */ char name[32]; + + struct crypto_engine *engine; }; struct virtio_crypto { @@ -97,6 +100,9 @@ struct virtio_crypto_request { struct virtio_crypto_op_data_req *req_data; struct scatterlist **sgs; uint8_t *iv; + /* Encryption? */ + bool encrypt; + struct data_queue *dataq; }; int virtcrypto_devmgr_add_dev(struct virtio_crypto *vcrypto_dev); @@ -110,6 +116,16 @@ int virtcrypto_dev_started(struct virtio_crypto *vcrypto_dev); struct virtio_crypto *virtcrypto_get_dev_node(int node); int virtcrypto_dev_start(struct virtio_crypto *vcrypto); void virtcrypto_dev_stop(struct virtio_crypto *vcrypto); +int virtio_crypto_ablkcipher_crypt_req( + struct crypto_engine *engine, + struct ablkcipher_request *req); +void virtio_crypto_ablkcipher_finalize_req( + struct virtio_crypto_request *vc_req, + struct ablkcipher_request *req, + int err); + +void +virtcrypto_clear_request(struct virtio_crypto_request *vc_req); static inline int virtio_crypto_get_current_node(void) { |