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authorYonatan Cohen <yonatanc@mellanox.com>2017-11-13 11:51:18 +0300
committerDoug Ledford <dledford@redhat.com>2017-11-14 00:59:22 +0300
commit87ab3f524efd171699d21bbc98b1268acb476da5 (patch)
treeb83cc8087a74d346b0b2026cb9927178b3ff463e /drivers
parent0fd586de65ae6a249433e1b496f5ed9ce199be73 (diff)
downloadlinux-87ab3f524efd171699d21bbc98b1268acb476da5.tar.xz
IB/mlx5: Add CQ moderation capability to query_device
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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/infiniband/hw/mlx5/main.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index 5a0ed6a499f4..543d0a4c8bf3 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -790,6 +790,13 @@ static int mlx5_ib_query_device(struct ib_device *ibdev,
props->tm_caps.max_sge = MLX5_TM_MAX_SGE;
}
+ if (MLX5_CAP_GEN(dev->mdev, cq_moderation)) {
+ props->cq_caps.max_cq_moderation_count =
+ MLX5_MAX_CQ_COUNT;
+ props->cq_caps.max_cq_moderation_period =
+ MLX5_MAX_CQ_PERIOD;
+ }
+
if (field_avail(typeof(resp), cqe_comp_caps, uhw->outlen)) {
resp.cqe_comp_caps.max_num =
MLX5_CAP_GEN(dev->mdev, cqe_compression) ?