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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>
This commit is contained in:
Yonatan Cohen 2017-11-13 10:51:18 +02:00 committed by Doug Ledford
parent 0fd586de65
commit 87ab3f524e
1 changed files with 7 additions and 0 deletions
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7
drivers/infiniband/hw/mlx5/main.c
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@ -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) ?