cryptodev: add vhost-user as a new cryptodev backend

Usage:
 -chardev socket,id=charcrypto0,path=/path/to/your/socket
 -object cryptodev-vhost-user,id=cryptodev0,chardev=charcrypto0
 -device virtio-crypto-pci,id=crypto0,cryptodev=cryptodev0

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, 6 insertions, 0 deletions

diff --git a/vl.c b/vl.c
index 9e7235df6d..6d15386a2e 100644
--- a/vl.c
+++ b/vl.c
@@ -2838,6 +2838,12 @@ static bool object_create_initial(const char *type)
         return false;
     }
 
+#if defined(CONFIG_VHOST_USER) && defined(CONFIG_LINUX)
+    if (g_str_equal(type, "cryptodev-vhost-user")) {
+        return false;
+    }
+#endif
+
     /*
      * return false for concrete netfilters since
      * they depend on netdevs already existing