From: Changpeng Liu <changpeng....@intel.com>
This patch reports the protocol feature that is only advertised by
QEMU if the device implements the config ops.
Signed-off-by: Changpeng Liu <changpeng....@intel.com>
Reviewed-by: Stefan Hajnoczi <stefa...@redhat.com>
Reviewed-by: Michael S. Tsirkin <m...@redhat.com>
Signed-off-by: Michael S. Tsirkin <m...@redhat.com>
---
contrib/vhost-user-blk/vhost-user-blk.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/contrib/vhost-user-blk/vhost-user-blk.c
b/contrib/vhost-user-blk/vhost-user-blk.c
index 67dac81..a6a132a 100644
--- a/contrib/vhost-user-blk/vhost-user-blk.c
+++ b/contrib/vhost-user-blk/vhost-user-blk.c
@@ -311,6 +311,12 @@ vub_get_features(VuDev *dev)
1ull << VHOST_USER_F_PROTOCOL_FEATURES;
}
+static uint64_t
+vub_get_protocol_features(VuDev *dev)
+{
+ return 1ull << VHOST_USER_PROTOCOL_F_CONFIG;
+}
+
static int
vub_get_config(VuDev *vu_dev, uint8_t *config, uint32_t len)
{
@@ -373,6 +379,7 @@ vub_set_config(VuDev *vu_dev, const uint8_t *data,
static const VuDevIface vub_iface = {
.get_features = vub_get_features,
.queue_set_started = vub_queue_set_started,
+ .get_protocol_features = vub_get_protocol_features,
.get_config = vub_get_config,
.set_config = vub_set_config,
};
--
MST
