From: Konstantin Taranov Date: Mon, 20 Jan 2025 17:27:16 +0000 (-0800) Subject: RDMA/mana_ib: implement req_notify_cq X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=40ebdacb4e433f344437b3a499d3bb5175775f2d;p=users%2Fjedix%2Flinux-maple.git RDMA/mana_ib: implement req_notify_cq Arm a CQ when req_notify_cq is called. Signed-off-by: Konstantin Taranov Link: https://patch.msgid.link/1737394039-28772-11-git-send-email-kotaranov@linux.microsoft.com Reviewed-by: Shiraz Saleem Reviewed-by: Long Li Signed-off-by: Leon Romanovsky --- diff --git a/drivers/infiniband/hw/mana/cq.c b/drivers/infiniband/hw/mana/cq.c index d26d82d9f8ce..82f14623f83c 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 6fa5d7e2d0ed..637bc9833325 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 6265c39eeff6..bd34ad608a37 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 a67d4d16c6a7..e032c9f9f7c2 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) {