cryptodev-vhost-user: add crypto session handler

Introduce two vhost-user meassges: VHOST_USER_CREATE_CRYPTO_SESSION
and VHOST_USER_CLOSE_CRYPTO_SESSION. At this point, the QEMU side
support crypto operation in cryptodev host-user backend.

Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Signed-off-by: Longpeng(Mike) <longpeng2@huawei.com>
Signed-off-by: Jay Zhou <jianjay.zhou@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/include/hw/virtio/vhost-backend.h b/include/hw/virtio/vhost-backend.h
index 592254f40d..5dac61f9ea 100644
--- a/include/hw/virtio/vhost-backend.h
+++ b/include/hw/virtio/vhost-backend.h
@@ -95,6 +95,12 @@ typedef int (*vhost_set_config_op)(struct vhost_dev *dev, const uint8_t *data,
 typedef int (*vhost_get_config_op)(struct vhost_dev *dev, uint8_t *config,
                                    uint32_t config_len);
 
+typedef int (*vhost_crypto_create_session_op)(struct vhost_dev *dev,
+                                              void *session_info,
+                                              uint64_t *session_id);
+typedef int (*vhost_crypto_close_session_op)(struct vhost_dev *dev,
+                                             uint64_t session_id);
+
 typedef struct VhostOps {
     VhostBackendType backend_type;
     vhost_backend_init vhost_backend_init;
@@ -130,6 +136,8 @@ typedef struct VhostOps {
     vhost_send_device_iotlb_msg_op vhost_send_device_iotlb_msg;
     vhost_get_config_op vhost_get_config;
     vhost_set_config_op vhost_set_config;
+    vhost_crypto_create_session_op vhost_crypto_create_session;
+    vhost_crypto_close_session_op vhost_crypto_close_session;
 } VhostOps;
 
 extern const VhostOps user_ops;