> Subject: [PATCH rdma-next 10/13] RDMA/mana_ib: implement req_notify_cq
>
> From: Konstantin Taranov <kotaranov@xxxxxxxxxxxxx>
>
> Arm a CQ when req_notify_cq is called.
>
> Signed-off-by: Konstantin Taranov <kotaranov@xxxxxxxxxxxxx>
> Reviewed-by: Shiraz Saleem <shirazsaleem@xxxxxxxxxxxxx>
Reviewed-by: Long Li <longli@xxxxxxxxxxxxx>
> ---
> drivers/infiniband/hw/mana/cq.c | 12 ++++++++++++
> drivers/infiniband/hw/mana/device.c | 1 +
> drivers/infiniband/hw/mana/mana_ib.h | 2 ++
> drivers/net/ethernet/microsoft/mana/gdma_main.c | 1 +
> 4 files changed, 16 insertions(+)
>
> diff --git a/drivers/infiniband/hw/mana/cq.c b/drivers/infiniband/hw/mana/cq.c
> index d26d82d..82f1462 100644
> --- a/drivers/infiniband/hw/mana/cq.c
> +++ b/drivers/infiniband/hw/mana/cq.c
> @@ -168,3 +168,15 @@ void mana_ib_remove_cq_cb(struct mana_ib_dev
> *mdev, struct mana_ib_cq *cq)
> kfree(gc->cq_table[cq->queue.id]);
> gc->cq_table[cq->queue.id] = NULL;
> }
> +
> +int mana_ib_arm_cq(struct ib_cq *ibcq, enum ib_cq_notify_flags flags) {
> + struct mana_ib_cq *cq = container_of(ibcq, struct mana_ib_cq, ibcq);
> + struct gdma_queue *gdma_cq = cq->queue.kmem;
> +
> + if (!gdma_cq)
> + return -EINVAL;
> +
> + mana_gd_ring_cq(gdma_cq, SET_ARM_BIT);
> + return 0;
> +}
> diff --git a/drivers/infiniband/hw/mana/device.c
> b/drivers/infiniband/hw/mana/device.c
> index 1da86c3..63e12c3 100644
> --- a/drivers/infiniband/hw/mana/device.c
> +++ b/drivers/infiniband/hw/mana/device.c
> @@ -47,6 +47,7 @@ static const struct ib_device_ops mana_ib_dev_ops = {
> .query_pkey = mana_ib_query_pkey,
> .query_port = mana_ib_query_port,
> .reg_user_mr = mana_ib_reg_user_mr,
> + .req_notify_cq = mana_ib_arm_cq,
>
> INIT_RDMA_OBJ_SIZE(ib_ah, mana_ib_ah, ibah),
> INIT_RDMA_OBJ_SIZE(ib_cq, mana_ib_cq, ibcq), diff --git
> a/drivers/infiniband/hw/mana/mana_ib.h
> b/drivers/infiniband/hw/mana/mana_ib.h
> index 6265c39..bd34ad6 100644
> --- a/drivers/infiniband/hw/mana/mana_ib.h
> +++ b/drivers/infiniband/hw/mana/mana_ib.h
> @@ -595,4 +595,6 @@ int mana_ib_post_recv(struct ib_qp *ibqp, const struct
> ib_recv_wr *wr,
> const struct ib_recv_wr **bad_wr); int
> mana_ib_post_send(struct ib_qp *ibqp, const struct ib_send_wr *wr,
> const struct ib_send_wr **bad_wr);
> +
> +int mana_ib_arm_cq(struct ib_cq *ibcq, enum ib_cq_notify_flags flags);
> #endif
> diff --git a/drivers/net/ethernet/microsoft/mana/gdma_main.c
> b/drivers/net/ethernet/microsoft/mana/gdma_main.c
> index 409e4e8..823f7e7 100644
> --- a/drivers/net/ethernet/microsoft/mana/gdma_main.c
> +++ b/drivers/net/ethernet/microsoft/mana/gdma_main.c
> @@ -344,6 +344,7 @@ void mana_gd_ring_cq(struct gdma_queue *cq, u8
> arm_bit)
> mana_gd_ring_doorbell(gc, cq->gdma_dev->doorbell, cq->type, cq->id,
> head, arm_bit);
> }
> +EXPORT_SYMBOL_NS(mana_gd_ring_cq, NET_MANA);
>
> static void mana_gd_process_eqe(struct gdma_queue *eq) {
> --
> 2.43.0
