[v8,17/19] net/vhost: enable port detach on secondary process
diff mbox series

Message ID 20180702054450.29269-18-qi.z.zhang@intel.com
State Superseded, archived
Delegated to: Thomas Monjalon
Headers show
Series
  • enable hotplug on multi-process
Related show

Checks

Context Check Description
ci/checkpatch success coding style OK
ci/Intel-compilation fail Compilation issues

Commit Message

Zhang, Qi Z July 2, 2018, 5:44 a.m. UTC
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(+)

Patch
diff mbox series

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]);