From: Yonatan Cohen <yonatanc@mellanox.com>
Date: Mon, 13 Nov 2017 10:51:17 +0200
Subject: IB/mlx4: Add CQ moderation capability to query_device
Patch-mainline: v4.15-rc1
Git-commit: 0fd586de65ae6a249433e1b496f5ed9ce199be73
References: bsc#1103988 FATE#326003

query_device can now obtain the maximum values for
cq_max_count and cq_period, needed for cq moderation.

Signed-off-by: Yonatan Cohen <yonatanc@mellanox.com>
Reviewed-by: Majd Dibbiny <majd@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 drivers/infiniband/hw/mlx4/main.c |    3 +++
 1 file changed, 3 insertions(+)

--- a/drivers/infiniband/hw/mlx4/main.c
+++ b/drivers/infiniband/hw/mlx4/main.c
@@ -563,6 +563,9 @@ static int mlx4_ib_query_device(struct i
 		props->max_wq_type_rq = props->max_qp;
 	}
 
+	props->cq_caps.max_cq_moderation_count = MLX4_MAX_CQ_COUNT;
+	props->cq_caps.max_cq_moderation_period = MLX4_MAX_CQ_PERIOD;
+
 	if (!mlx4_is_slave(dev->dev))
 		err = mlx4_get_internal_clock_params(dev->dev, &clock_params);