-----Original Message-----
From: dev <redacted> On Behalf Of Matan Azrad
Sent: Thursday, June 25, 2020 9:38 PM
To: Maxime Coquelin <redacted>
Cc: dev@dpdk.org; Wang, Xiao W <redacted>
Subject: [dpdk-dev] [PATCH v2 3/5] vhost: handle memory hotplug with vDPA
devices

Some vDPA drivers' basic configurations should be updated when the guest
memory is hotplugged.

Close vDPA device before hotplug operation and recreate it after the hotplug
operation is done.

Signed-off-by: Matan Azrad <redacted>
---
 lib/librte_vhost/vhost_user.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/lib/librte_vhost/vhost_user.c b/lib/librte_vhost/vhost_user.c index

b90fc78..f690fdb 100644

--- a/lib/librte_vhost/vhost_user.c
+++ b/lib/librte_vhost/vhost_user.c

@@ -1073,6 +1073,15 @@
 	}

 	if (dev->mem) {
+		if (dev->flags & VIRTIO_DEV_VDPA_CONFIGURED) {
+			int did = dev->vdpa_dev_id;
+			struct rte_vdpa_device *vdpa_dev =
+						rte_vdpa_get_device(did);
+
+			if (vdpa_dev && vdpa_dev->ops->dev_close)
+				vdpa_dev->ops->dev_close(dev->vid);
+			dev->flags &= ~VIRTIO_DEV_VDPA_CONFIGURED;
+		}