Command to set shadow virtqueue mode.
Signed-off-by: Eugenio Pérez <epere...@redhat.com>
---
qapi/net.json | 22 ++++++++++++++++++++++
net/vhost-vdpa.c | 6 ++++++
2 files changed, 28 insertions(+)
diff --git a/qapi/net.json b/qapi/net.json
index 7fab2e7cd8..b191b6787b 100644
--- a/qapi/net.json
+++ b/qapi/net.json
@@ -79,6 +79,28 @@
{ 'command': 'netdev_del', 'data': {'id': 'str'},
'allow-preconfig': true }
+##
+# @x-vhost-set-shadow-vq:
+#
+# Use vhost shadow virtqueue.
+#
+# @name: the device name of the VirtIO device
+#
+# @set: true to use the alternate shadow VQ notifications
+#
+# Returns: Always error, since SVQ is not implemented at the moment.
+#
+# Since: 6.2
+#
+# Example:
+#
+# -> { "execute": "x-vhost-set-shadow-vq",
+# "arguments": { "name": "virtio-net", "set": false } }
+#
+##
+{ 'command': 'x-vhost-set-shadow-vq', 'data': {'name': 'str', 'set': 'bool'},
+ 'if': 'CONFIG_VHOST_VDPA' }
+
##
# @NetLegacyNicOptions:
#
diff --git a/net/vhost-vdpa.c b/net/vhost-vdpa.c
index 49ab322511..3b360da27d 100644
--- a/net/vhost-vdpa.c
+++ b/net/vhost-vdpa.c
@@ -18,6 +18,7 @@
#include "qemu/error-report.h"
#include "qemu/option.h"
#include "qapi/error.h"
+#include "qapi/qapi-commands-net.h"
#include <linux/vhost.h>
#include <sys/ioctl.h>
#include <err.h>
@@ -301,3 +302,8 @@ err:
return -1;
}
+
+void qmp_x_vhost_set_shadow_vq(const char *name, bool set, Error **errp)
+{
+ error_setg(errp, "Shadow virtqueue still not implemented");
+}
--
2.27.0
