[dpdk-dev] [PATCH v7 08/10] virtio_pci: do not parse if interface is vfio

[Santosh Shukla <sshukla@mvista.com>]

If virtio interface attached to vfio driver then do not parse for virtio
resource. Instead exit with return 0;

Note: Applicable for virtio spec 0.95.

Signed-off-by: Santosh Shukla <sshukla@mvista.com>
---
v5-->v6:
- Replaced pci_dev->kdrv check from __noiommu to default;
  This is because patch [1] in v5 series not required.
  [1] http://dpdk.org/dev/patchwork/patch/9984/

v6--> v7:
- Removed noiommu reference from commit message.

 drivers/net/virtio/virtio_pci.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/virtio/virtio_pci.c b/drivers/net/virtio/virtio_pci.c
index 0c29f1d..deec306 100644
--- a/drivers/net/virtio/virtio_pci.c
+++ b/drivers/net/virtio/virtio_pci.c
@@ -514,7 +514,9 @@ virtio_resource_init_by_ioports(struct rte_pci_device *pci_dev)
 static int
 legacy_virtio_resource_init(struct rte_pci_device *pci_dev)
 {
-	if (virtio_resource_init_by_uio(pci_dev) == 0)
+	if (pci_dev->kdrv == RTE_KDRV_VFIO)
+		return 0;
+	else if (virtio_resource_init_by_uio(pci_dev) == 0)
 		return 0;
 	else
 		return virtio_resource_init_by_ioports(pci_dev);
-- 
1.7.9.5