IB/mlx4: Add support for modifying CQ moderation parameters
Signed-off-by: Eli Cohen <eli@mellnaox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
diff --git a/drivers/infiniband/hw/mlx4/cq.c b/drivers/infiniband/hw/mlx4/cq.c
index 7d70af7..e4fb64b 100644
--- a/drivers/infiniband/hw/mlx4/cq.c
+++ b/drivers/infiniband/hw/mlx4/cq.c
@@ -85,6 +85,14 @@
return get_sw_cqe(cq, cq->mcq.cons_index);
}
+int mlx4_ib_modify_cq(struct ib_cq *cq, u16 cq_count, u16 cq_period)
+{
+ struct mlx4_ib_cq *mcq = to_mcq(cq);
+ struct mlx4_ib_dev *dev = to_mdev(cq->device);
+
+ return mlx4_cq_modify(dev->dev, &mcq->mcq, cq_count, cq_period);
+}
+
struct ib_cq *mlx4_ib_create_cq(struct ib_device *ibdev, int entries, int vector,
struct ib_ucontext *context,
struct ib_udata *udata)
diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c
index e9330a0..76dd45c 100644
--- a/drivers/infiniband/hw/mlx4/main.c
+++ b/drivers/infiniband/hw/mlx4/main.c
@@ -609,6 +609,7 @@
ibdev->ib_dev.post_send = mlx4_ib_post_send;
ibdev->ib_dev.post_recv = mlx4_ib_post_recv;
ibdev->ib_dev.create_cq = mlx4_ib_create_cq;
+ ibdev->ib_dev.modify_cq = mlx4_ib_modify_cq;
ibdev->ib_dev.destroy_cq = mlx4_ib_destroy_cq;
ibdev->ib_dev.poll_cq = mlx4_ib_poll_cq;
ibdev->ib_dev.req_notify_cq = mlx4_ib_arm_cq;
diff --git a/drivers/infiniband/hw/mlx4/mlx4_ib.h b/drivers/infiniband/hw/mlx4/mlx4_ib.h
index 3f8bd0a..ef8ad96 100644
--- a/drivers/infiniband/hw/mlx4/mlx4_ib.h
+++ b/drivers/infiniband/hw/mlx4/mlx4_ib.h
@@ -254,6 +254,7 @@
struct ib_udata *udata);
int mlx4_ib_dereg_mr(struct ib_mr *mr);
+int mlx4_ib_modify_cq(struct ib_cq *cq, u16 cq_count, u16 cq_period);
struct ib_cq *mlx4_ib_create_cq(struct ib_device *ibdev, int entries, int vector,
struct ib_ucontext *context,
struct ib_udata *udata);