RE: [PATCH rdma-next 10/13] RDMA/mana_ib: implement req_notify_cq
From: Long Li <longli@microsoft.com>
Date: 2025-01-23 05:57:26
Also in:
linux-hyperv, linux-rdma, lkml
Subject: [PATCH rdma-next 10/13] RDMA/mana_ib: implement req_notify_cq From: Konstantin Taranov <kotaranov@microsoft.com> Arm a CQ when req_notify_cq is called. Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com> Reviewed-by: Shiraz Saleem <redacted>
Reviewed-by: Long Li <longli@microsoft.com>
quoted hunk ↗ jump to hunk
--- 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.cb/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 --gita/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 structib_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); #endifdiff --git a/drivers/net/ethernet/microsoft/mana/gdma_main.cb/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, u8arm_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