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RDMA/mana_ib: implement req_notify_cq

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Arm a CQ when req_notify_cq is called.

Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com>
Link: https://patch.msgid.link/1737394039-28772-11-git-send-email-kotaranov@linux.microsoft.com
Reviewed-by: Shiraz Saleem <shirazsaleem@microsoft.com>
Reviewed-by: Long Li <longli@microsoft.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
This commit is contained in:
Konstantin Taranov 2025-01-20 09:27:16 -08:00 committed by Leon Romanovsky
parent c8017f5b48
commit 40ebdacb4e
4 changed files with 16 additions and 0 deletions
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12
drivers/infiniband/hw/mana/cq.c
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@ -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;
}

1
drivers/infiniband/hw/mana/device.c
View File

@ -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),

2
drivers/infiniband/hw/mana/mana_ib.h
View File

@ -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

1
drivers/net/ethernet/microsoft/mana/gdma_main.c
View File

@ -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)
{