On 6/21/19 6:51 AM, Tiwei Bie wrote:
On Thu, Jun 20, 2019 at 10:07:12PM +0200, Maxime Coquelin wrote:
Having this info logged by default when analysing bug reports
has proved to be useful.

Signed-off-by: Maxime Coquelin <maxime.coque...@redhat.com>
---
  lib/librte_vhost/vhost_user.c | 5 +++++
  1 file changed, 5 insertions(+)

diff --git a/lib/librte_vhost/vhost_user.c b/lib/librte_vhost/vhost_user.c
index c9e29ece8..370864865 100644
--- a/lib/librte_vhost/vhost_user.c
+++ b/lib/librte_vhost/vhost_user.c
@@ -284,6 +284,8 @@ vhost_user_set_features(struct virtio_net **pdev, struct 
VhostUserMsg *msg,
        } else {
                dev->vhost_hlen = sizeof(struct virtio_net_hdr);
        }
+       RTE_LOG(INFO, VHOST_CONFIG,
+               "Negotiated Virtio features: 0x%" PRIx64 "\n", dev->features);

Might be better to use lowercase for "Negotiated", and we will
get more consistent messages like this:

VHOST_CONFIG: new vhost user connection is 278
VHOST_CONFIG: new device, handle is 0
VHOST_CONFIG: read message VHOST_USER_SET_OWNER
VHOST_CONFIG: read message VHOST_USER_GET_FEATURES
VHOST_CONFIG: read message VHOST_USER_SET_VRING_CALL
VHOST_CONFIG: vring call idx:0 file:279
VHOST_CONFIG: read message VHOST_USER_SET_VRING_CALL
VHOST_CONFIG: vring call idx:1 file:280
VHOST_CONFIG: read message VHOST_USER_SET_FEATURES
VHOST_CONFIG: negotiated Virtio features: 0xd10008000
VHOST_CONFIG: read message VHOST_USER_SET_MEM_TABLE
VHOST_CONFIG: guest memory region 0, size: 0x20000000
......

instead of:

VHOST_CONFIG: new vhost user connection is 278
VHOST_CONFIG: new device, handle is 0
VHOST_CONFIG: read message VHOST_USER_SET_OWNER
VHOST_CONFIG: read message VHOST_USER_GET_FEATURES
VHOST_CONFIG: read message VHOST_USER_SET_VRING_CALL
VHOST_CONFIG: vring call idx:0 file:279
VHOST_CONFIG: read message VHOST_USER_SET_VRING_CALL
VHOST_CONFIG: vring call idx:1 file:280
VHOST_CONFIG: read message VHOST_USER_SET_FEATURES
VHOST_CONFIG: Negotiated Virtio features: 0xd10008000
VHOST_CONFIG: read message VHOST_USER_SET_MEM_TABLE
VHOST_CONFIG: guest memory region 0, size: 0x20000000
......


Right, I'll fix it while applying.

        VHOST_LOG_DEBUG(VHOST_CONFIG,
                "(%d) mergeable RX buffers %s, virtio 1 %s\n",
                dev->vid,
@@ -1406,6 +1408,9 @@ vhost_user_set_protocol_features(struct virtio_net **pdev,
        }
dev->protocol_features = protocol_features;
+       RTE_LOG(INFO, VHOST_CONFIG,
+               "Negotiated Vhost-user protocol features: 0x%" PRIx64 "\n",
+               dev->protocol_features);

Ditto.

Other than that,
Reviewed-by: Tiwei Bie <tiwei....@intel.com>


Thanks,
Maxime

Thanks,
Tiwei

return RTE_VHOST_MSG_RESULT_OK;
  }
--
2.21.0

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