linux-kernel - [PATCH RFC for-next 1/3] RDMA/core: Add dedicated SRQ resource tracker function

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Message-ID: <20230918131110.3987498-2-huangjunxian6@hisilicon.com>
Date:   Mon, 18 Sep 2023 21:11:08 +0800
From:   Junxian Huang <huangjunxian6@...ilicon.com>
To:     <jgg@...pe.ca>, <leon@...nel.org>
CC:     <linux-rdma@...r.kernel.org>, <linuxarm@...wei.com>,
        <linux-kernel@...r.kernel.org>, <huangjunxian6@...ilicon.com>
Subject: [PATCH RFC for-next 1/3] RDMA/core: Add dedicated SRQ resource tracker function

From: wenglianfa <wenglianfa@...wei.com>

Add a dedicated callback function for SRQ resource tracker.

Signed-off-by: wenglianfa <wenglianfa@...wei.com>
---
 drivers/infiniband/core/device.c | 1 +
 drivers/infiniband/core/nldev.c  | 9 ++++++++-
 include/rdma/ib_verbs.h          | 1 +
 3 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/drivers/infiniband/core/device.c b/drivers/infiniband/core/device.c
index a666847bd714..05b37050e842 100644
--- a/drivers/infiniband/core/device.c
+++ b/drivers/infiniband/core/device.c
@@ -2651,6 +2651,7 @@ void ib_set_device_ops(struct ib_device *dev, const struct ib_device_ops *ops)
 	SET_DEVICE_OP(dev_ops, fill_res_mr_entry_raw);
 	SET_DEVICE_OP(dev_ops, fill_res_qp_entry);
 	SET_DEVICE_OP(dev_ops, fill_res_qp_entry_raw);
+	SET_DEVICE_OP(dev_ops, fill_res_srq_entry);
 	SET_DEVICE_OP(dev_ops, fill_stat_mr_entry);
 	SET_DEVICE_OP(dev_ops, get_dev_fw_str);
 	SET_DEVICE_OP(dev_ops, get_dma_mr);
diff --git a/drivers/infiniband/core/nldev.c b/drivers/infiniband/core/nldev.c
index d5d3e4f0de77..bebe6adeb533 100644
--- a/drivers/infiniband/core/nldev.c
+++ b/drivers/infiniband/core/nldev.c
@@ -818,6 +818,7 @@ static int fill_res_srq_entry(struct sk_buff *msg, bool has_cap_net_admin,
 			      struct rdma_restrack_entry *res, uint32_t port)
 {
 	struct ib_srq *srq = container_of(res, struct ib_srq, res);
+	struct ib_device *dev = srq->device;
 
 	if (nla_put_u32(msg, RDMA_NLDEV_ATTR_RES_SRQN, srq->res.id))
 		goto err;
@@ -837,7 +838,13 @@ static int fill_res_srq_entry(struct sk_buff *msg, bool has_cap_net_admin,
 	if (fill_res_srq_qps(msg, srq))
 		goto err;
 
-	return fill_res_name_pid(msg, res);
+	if (fill_res_name_pid(msg, res))
+		goto err;
+
+	if (dev->ops.fill_res_srq_entry)
+		return dev->ops.fill_res_srq_entry(msg, srq);
+
+	return 0;
 
 err:
 	return -EMSGSIZE;
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index 533ab92684d8..3cbb6141a9ce 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -2608,6 +2608,7 @@ struct ib_device_ops {
 	int (*fill_res_qp_entry)(struct sk_buff *msg, struct ib_qp *ibqp);
 	int (*fill_res_qp_entry_raw)(struct sk_buff *msg, struct ib_qp *ibqp);
 	int (*fill_res_cm_id_entry)(struct sk_buff *msg, struct rdma_cm_id *id);
+	int (*fill_res_srq_entry)(struct sk_buff *msg, struct ib_srq *ib_srq);
 
 	/* Device lifecycle callbacks */
 	/*
-- 
2.30.0