This commit implements get_vq_size for vdpa_config_ops. This
new interface is used to report per vq size.
Signed-off-by: Zhu Lingshan <lingshan.zhu@xxxxxxxxx>
---
drivers/vdpa/vdpa_user/vduse_dev.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/drivers/vdpa/vdpa_user/vduse_dev.c b/drivers/vdpa/vdpa_user/vduse_dev.c
index 1d24da79c399..200eb260cc4c 100644
--- a/drivers/vdpa/vdpa_user/vduse_dev.c
+++ b/drivers/vdpa/vdpa_user/vduse_dev.c
@@ -541,6 +541,17 @@ static void vduse_vdpa_set_vq_num(struct vdpa_device *vdpa, u16 idx, u32 num)
vq->num = num;
}
+static u16 vduse_vdpa_get_vq_size(struct vdpa_device *vdpa, u16 idx)
+{
+ struct vduse_dev *dev = vdpa_to_vduse(vdpa);
+ struct vduse_virtqueue *vq = dev->vqs[idx];
+
+ if (vq->num)
+ return vq->num;
+ else
+ return vq->num_max;
+}
+
static void vduse_vdpa_set_vq_ready(struct vdpa_device *vdpa,
u16 idx, bool ready)
{
@@ -773,6 +784,7 @@ static const struct vdpa_config_ops vduse_vdpa_config_ops = {
.kick_vq = vduse_vdpa_kick_vq,
.set_vq_cb = vduse_vdpa_set_vq_cb,
.set_vq_num = vduse_vdpa_set_vq_num,
+ .get_vq_size = vduse_vdpa_get_vq_size,
.set_vq_ready = vduse_vdpa_set_vq_ready,
.get_vq_ready = vduse_vdpa_get_vq_ready,
.set_vq_state = vduse_vdpa_set_vq_state,
--
2.39.3
