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

From: Junxian Huang
Date: Mon Sep 18 2023 - 12:51:51 EST


From: wenglianfa <wenglianfa@xxxxxxxxxx>

Add a dedicated callback function for SRQ resource tracker.

Signed-off-by: wenglianfa <wenglianfa@xxxxxxxxxx>
---
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