qemu: capabilities: Introduce QEMU_CAPS_NETDEV_STREAM_RECONNECT

Detect that the 'stream' netdev backend supports reconnecting.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Laine Stump <laine@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>

src/qemu/qemu_capabilities.c

@@ -687,6 +687,9 @@ VIR_ENUM_IMPL(virQEMUCaps,
               "virtio-crypto", /* QEMU_CAPS_DEVICE_VIRTIO_CRYPTO */
               "cryptodev-backend-lkcf", /* QEMU_CAPS_OBJECT_CRYPTO_LKCF */
               "pvpanic-pci", /* QEMU_CAPS_DEVICE_PANIC_PCI */
+
+              /* 445 */
+              "netdev.stream.reconnect", /* QEMU_CAPS_NETDEV_STREAM_RECONNECT */
     );
 
 
@@ -1559,6 +1562,7 @@ static struct virQEMUCapsStringFlags virQEMUCapsQMPSchemaQueries[] = {
     { "nbd-server-start/arg-type/tls-creds", QEMU_CAPS_NBD_TLS },
     { "nbd-server-add/arg-type/bitmap", QEMU_CAPS_NBD_BITMAP },
     { "netdev_add/arg-type/+stream", QEMU_CAPS_NETDEV_STREAM },
+    { "netdev_add/arg-type/+stream/reconnect", QEMU_CAPS_NETDEV_STREAM_RECONNECT },
     { "netdev_add/arg-type/+vhost-vdpa", QEMU_CAPS_NETDEV_VHOST_VDPA },
     /* JSON support for -netdev was introduced for the 'dgram' netdev type */
     { "netdev_add/arg-type/type/^dgram", QEMU_CAPS_NETDEV_JSON },

src/qemu/qemu_capabilities.h

@@ -667,6 +667,9 @@ typedef enum { /* virQEMUCapsFlags grouping marker for syntax-check */
     QEMU_CAPS_OBJECT_CRYPTO_LKCF, /* -object cryptodev-backend-lkcf */
     QEMU_CAPS_DEVICE_PANIC_PCI, /* -device pvpanic-pci */
 
+    /* 445 */
+    QEMU_CAPS_NETDEV_STREAM_RECONNECT, /* -netdev stream supports reconnect */
+
     QEMU_CAPS_LAST /* this must always be the last item */
 } virQEMUCapsFlags;
 

tests/qemucapabilitiesdata/caps_8.0.0.x86_64.xml

@@ -205,6 +205,7 @@
   <flag name='virtio-crypto'/>
   <flag name='cryptodev-backend-lkcf'/>
   <flag name='pvpanic-pci'/>
+  <flag name='netdev.stream.reconnect'/>
   <version>7002050</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>43100244</microcodeVersion>