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IB/mlx5: Exposing modify CQ callback to uverbs layer 

Exposed mlx5_ib_modify_cq to be called from ib device
verb list.

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>
hifive-unleashed-5.1
Yonatan Cohen 2017-11-13 10:51:15 +02:00 committed by Doug Ledford
parent 34d9a270e7
commit b0e9df6da2
3 changed files with 8 additions and 1 deletions
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3
drivers/infiniband/hw/mlx5/cq.c
View File

@ -1149,6 +1149,9 @@ int mlx5_ib_modify_cq(struct ib_cq *cq, u16 cq_count, u16 cq_period)
if (!MLX5_CAP_GEN(dev->mdev, cq_moderation))
return -ENOSYS;
if (cq_period > MLX5_MAX_CQ_PERIOD)
return -EINVAL;
err = mlx5_core_modify_cq_moderation(dev->mdev, &mcq->mcq,
cq_period, cq_count);
if (err)

3
drivers/infiniband/hw/mlx5/main.c
View File

@ -4022,7 +4022,8 @@ static void *mlx5_ib_add(struct mlx5_core_dev *mdev)
(1ull << IB_USER_VERBS_EX_CMD_QUERY_DEVICE) |
(1ull << IB_USER_VERBS_EX_CMD_CREATE_CQ) |
(1ull << IB_USER_VERBS_EX_CMD_CREATE_QP) |
(1ull << IB_USER_VERBS_EX_CMD_MODIFY_QP);
(1ull << IB_USER_VERBS_EX_CMD_MODIFY_QP) |
(1ull << IB_USER_VERBS_EX_CMD_MODIFY_CQ);
dev->ib_dev.query_device = mlx5_ib_query_device;
dev->ib_dev.query_port = mlx5_ib_query_port;

3
include/linux/mlx5/cq.h
View File

@ -128,6 +128,9 @@ enum {
CQE_SIZE_128_PAD = 2,
};
#define MLX5_MAX_CQ_PERIOD (BIT(__mlx5_bit_sz(cqc, cq_period)) - 1)
#define MLX5_MAX_CQ_COUNT (BIT(__mlx5_bit_sz(cqc, cq_max_count)) - 1)
static inline int cqe_sz_to_mlx_sz(u8 size, int padding_128_en)
{
return padding_128_en ? CQE_SIZE_128_PAD :