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From: Qi Zhang <qi.z.zhang@intel.com>
To: thomas@monjalon.net,
	anatoly.burakov@intel.com
Cc: konstantin.ananyev@intel.com, dev@dpdk.org, bruce.richardson@intel.com,
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 narender.vangati@intel.com, Qi Zhang <qi.z.zhang@intel.com>
Date: Thu, 28 Jun 2018 09:50:14 +0800
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 <20180628015016.42144-1-qi.z.zhang@intel.com>
Subject: [dpdk-dev] [PATCH v6 17/19] net/vhost: enable port detach on
	secondary process
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Previously, detach port on secondary process will mess primary
process and cause same device can't be attached again, by take
advantage of rte_eth_release_port_private, we can support this
with minor change.

Signed-off-by: Qi Zhang <qi.z.zhang@intel.com>
---
 drivers/net/vhost/rte_eth_vhost.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/drivers/net/vhost/rte_eth_vhost.c b/drivers/net/vhost/rte_eth_vhost.c
index ba9d768a0..f773711b4 100644
--- a/drivers/net/vhost/rte_eth_vhost.c
+++ b/drivers/net/vhost/rte_eth_vhost.c
@@ -1353,6 +1353,7 @@ rte_pmd_vhost_probe(struct rte_vdev_device *dev)
 		}
 		/* TODO: request info from primary to set up Rx and Tx */
 		eth_dev->dev_ops = &ops;
+		eth_dev->device = &dev->device;
 		rte_eth_dev_probing_finish(eth_dev);
 		return 0;
 	}
@@ -1435,6 +1436,16 @@ rte_pmd_vhost_remove(struct rte_vdev_device *dev)
 	if (eth_dev == NULL)
 		return -ENODEV;
 
+	if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
+		/* detach device on local pprocess only */
+		if (strlen(rte_vdev_device_args(dev)) == 0)
+			return rte_eth_dev_release_port_private(eth_dev);
+		/**
+		 * else this is a private device for current process
+		 * so continue with normal detach scenario
+		 */
+	}
+
 	eth_dev_close(eth_dev);
 
 	rte_free(vring_states[eth_dev->data->port_id]);
-- 
2.13.6