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Commit b0e9df6d authored by Yonatan Cohen's avatar Yonatan Cohen Committed by Doug Ledford
Browse files

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: default avatarYonatan Cohen <yonatanc@mellanox.com>
Reviewed-by: default avatarMajd Dibbiny <majd@mellanox.com>
Signed-off-by: default avatarLeon Romanovsky <leon@kernel.org>
Signed-off-by: default avatarDoug Ledford <dledford@redhat.com>
parent 34d9a270

drivers/infiniband/hw/mlx5/cq.c

+3 −0
Original line number Diff line number Diff line
@@ -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)

drivers/infiniband/hw/mlx5/main.c

+2 −1
Original line number Diff line number Diff line
@@ -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;

include/linux/mlx5/cq.h

+3 −0
Original line number Diff line number Diff line
@@ -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 :