diff mbox

contrib/vhost-user-blk: enable protocol feature for vhost-user-blk

Message ID 1526682046-17414-1-git-send-email-changpeng.liu@intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Liu, Changpeng May 18, 2018, 10:20 p.m. UTC
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.liu@intel.com>
---
 contrib/vhost-user-blk/vhost-user-blk.c | 7 +++++++
 1 file changed, 7 insertions(+)

Comments

Stefan Hajnoczi May 22, 2018, 1:38 p.m. UTC | #1
On Sat, May 19, 2018 at 06:20:46AM +0800, Changpeng Liu wrote:
> 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.liu@intel.com>
> ---
>  contrib/vhost-user-blk/vhost-user-blk.c | 7 +++++++
>  1 file changed, 7 insertions(+)

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
diff mbox

Patch

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,
 };