virtio-crypto: using bh to handle dataq's requests

Make crypto operations are executed asynchronously,
so that other QEMU threads and monitor couldn't
be blocked at the virtqueue handling context.

Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

1 files changed, 7 insertions, 1 deletions

diff --git a/include/hw/virtio/virtio-crypto.h b/include/hw/virtio/virtio-crypto.h
index db5c941ab9..a00a0bfaba 100644
--- a/include/hw/virtio/virtio-crypto.h
+++ b/include/hw/virtio/virtio-crypto.h
@@ -76,11 +76,17 @@ typedef struct VirtIOCryptoReq {
     } u;
 } VirtIOCryptoReq;
 
+typedef struct VirtIOCryptoQueue {
+    VirtQueue *dataq;
+    QEMUBH *dataq_bh;
+    struct VirtIOCrypto *vcrypto;
+} VirtIOCryptoQueue;
+
 typedef struct VirtIOCrypto {
     VirtIODevice parent_obj;
 
     VirtQueue *ctrl_vq;
-
+    VirtIOCryptoQueue *vqs;
     VirtIOCryptoConf conf;
     CryptoDevBackend *cryptodev;