[dpdk-dev] [PATCH 13/15] net/virtio: add vDPA ops to get VFIO FDs

[Maxime Coquelin]

This patch implements the vDPA .get_vfio_group_fd() and
.get_vfio_device_fd() callbacks.

Signed-off-by: Maxime Coquelin <maxime.coque...@redhat.com>
---
 drivers/net/virtio/virtio_vdpa.c | 34 ++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/drivers/net/virtio/virtio_vdpa.c b/drivers/net/virtio/virtio_vdpa.c
index 9b61688a1..e0b2f99ba 100644
--- a/drivers/net/virtio/virtio_vdpa.c
+++ b/drivers/net/virtio/virtio_vdpa.c
@@ -675,6 +675,38 @@ virtio_vdpa_set_features(int vid)
        return 0;
 }
 
+static int
+virtio_vdpa_get_vfio_group_fd(int vid)
+{
+       int did;
+       struct internal_list *list;
+
+       did = rte_vhost_get_vdpa_device_id(vid);
+       list = find_internal_resource_by_did(did);
+       if (list == NULL) {
+               DRV_LOG(ERR, "Invalid device id: %d", did);
+               return -1;
+       }
+
+       return list->dev->vfio_group_fd;
+}
+
+static int
+virtio_vdpa_get_vfio_device_fd(int vid)
+{
+       int did;
+       struct internal_list *list;
+
+       did = rte_vhost_get_vdpa_device_id(vid);
+       list = find_internal_resource_by_did(did);
+       if (list == NULL) {
+               DRV_LOG(ERR, "Invalid device id: %d", did);
+               return -1;
+       }
+
+       return list->dev->vfio_dev_fd;
+}
+
 static struct rte_vdpa_dev_ops virtio_vdpa_ops = {
        .get_queue_num = virtio_vdpa_get_queue_num,
        .get_features = virtio_vdpa_get_features,
@@ -682,6 +714,8 @@ static struct rte_vdpa_dev_ops virtio_vdpa_ops = {
        .dev_conf = virtio_vdpa_dev_config,
        .dev_close = virtio_vdpa_dev_close,
        .set_features = virtio_vdpa_set_features,
+       .get_vfio_group_fd = virtio_vdpa_get_vfio_group_fd,
+       .get_vfio_device_fd = virtio_vdpa_get_vfio_device_fd,
 };
 
 static inline int
-- 
2.21.0