From: Andy Pei <andy.pei@intel.com>
Date: Fri, 14 Jan 2022 07:57:07 +0000 (+0800)
Subject: vhost: add log when setting vring base
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=8974b6c730a1f8e9cd64d327e3df53d2b86fb2a4;p=dpdk.git

vhost: add log when setting vring base

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.pei@intel.com>
Reviewed-by: Chenbo Xia <chenbo.xia@intel.com>
---

diff --git a/lib/vhost/vhost_user.c b/lib/vhost/vhost_user.c
index 5eb1dd6812..f99692bdc1 100644
--- a/lib/vhost/vhost_user.c
+++ b/lib/vhost/vhost_user.c
@@ -973,6 +973,11 @@ vhost_user_set_vring_base(struct virtio_net **pdev,
 		vq->last_avail_idx = msg->payload.state.num;
 	}
 
+	VHOST_LOG_CONFIG(INFO,
+		"(%s) vring base idx:%u last_used_idx:%u last_avail_idx:%u.\n",
+		dev->ifname, msg->payload.state.index, vq->last_used_idx,
+		vq->last_avail_idx);
+
 	return RTE_VHOST_MSG_RESULT_OK;
 }