cryptodev: add vhost support

Impliment the vhost-crypto's funtions, such as startup,
stop and notification etc. Introduce an enum
QCryptoCryptoDevBackendOptionsType in order to
identify the cryptodev vhost backend is vhost-user
or vhost-kernel-module (If exist).

At this point, the cryptdoev-vhost-user works.

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/sysemu/cryptodev.h b/include/sysemu/cryptodev.h
index a9d0d1ee25..faeb6f891a 100644
--- a/include/sysemu/cryptodev.h
+++ b/include/sysemu/cryptodev.h
@@ -163,12 +163,20 @@ typedef struct CryptoDevBackendClass {
                      uint32_t queue_index, Error **errp);
 } CryptoDevBackendClass;
 
+typedef enum CryptoDevBackendOptionsType {
+    CRYPTODEV_BACKEND_TYPE_NONE = 0,
+    CRYPTODEV_BACKEND_TYPE_BUILTIN = 1,
+    CRYPTODEV_BACKEND_TYPE_VHOST_USER = 2,
+    CRYPTODEV_BACKEND_TYPE__MAX,
+} CryptoDevBackendOptionsType;
 
 struct CryptoDevBackendClient {
+    CryptoDevBackendOptionsType type;
     char *model;
     char *name;
     char *info_str;
     unsigned int queue_index;
+    int vring_enable;
     QTAILQ_ENTRY(CryptoDevBackendClient) next;
 };