[PATCH 04/10] vp_vdpa: implement vdpa_config_ops.get_vq_size

[Zhu Lingshan]

This commit implements vdpa_config_ops.get_vq_size in
vp_vdpa, which reports per virtqueue size.

Signed-off-by: Zhu Lingshan <lingshan....@intel.com>
---
 drivers/vdpa/virtio_pci/vp_vdpa.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/vdpa/virtio_pci/vp_vdpa.c 
b/drivers/vdpa/virtio_pci/vp_vdpa.c
index 281287fae89f..df5f4a3bccb5 100644
--- a/drivers/vdpa/virtio_pci/vp_vdpa.c
+++ b/drivers/vdpa/virtio_pci/vp_vdpa.c
@@ -328,6 +328,13 @@ static void vp_vdpa_set_vq_num(struct vdpa_device *vdpa, 
u16 qid,
        vp_modern_set_queue_size(mdev, qid, num);
 }
 
+static u16 vp_vdpa_get_vq_size(struct vdpa_device *vdpa, u16 qid)
+{
+       struct virtio_pci_modern_device *mdev = vdpa_to_mdev(vdpa);
+
+       return vp_modern_get_queue_size(mdev, qid);
+}
+
 static int vp_vdpa_set_vq_address(struct vdpa_device *vdpa, u16 qid,
                                  u64 desc_area, u64 driver_area,
                                  u64 device_area)
@@ -449,6 +456,7 @@ static const struct vdpa_config_ops vp_vdpa_ops = {
        .set_vq_ready   = vp_vdpa_set_vq_ready,
        .get_vq_ready   = vp_vdpa_get_vq_ready,
        .set_vq_num     = vp_vdpa_set_vq_num,
+       .get_vq_size    = vp_vdpa_get_vq_size,
        .set_vq_address = vp_vdpa_set_vq_address,
        .kick_vq        = vp_vdpa_kick_vq,
        .get_generation = vp_vdpa_get_generation,
-- 
2.39.3