[PATCH v2] vhost: add log for VHOST_USER_SET_VRING_BASE

[Andy Pei]

This patch adds log for vring related info in handling of vhost message
VHOST_USER_SET_VRING_BASE, which will be useful in live migration case.

Signed-off-by: Andy Pei <andy....@intel.com>
---
 lib/vhost/vhost_user.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/lib/vhost/vhost_user.c b/lib/vhost/vhost_user.c
index a781346..cd8c7bc 100644
--- a/lib/vhost/vhost_user.c
+++ b/lib/vhost/vhost_user.c
@@ -973,6 +973,11 @@
                vq->last_avail_idx = msg->payload.state.num;
        }
 
+       VHOST_LOG_CONFIG(INFO,
+               "vring base idx:%u last_used_idx:%u last_avail_idx:%u.\n",
+               msg->payload.state.index, vq->last_used_idx,
+               vq->last_avail_idx);
+
        return RTE_VHOST_MSG_RESULT_OK;
 }
 
-- 
1.8.3.1